\u7269\u7406\u57fa\u790e\u3067\u529b\u306e\u5408\u6210\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u307e\u3057\u305f\u3002\u8cea\u70b9\u306f\u5927\u304d\u3055\u3092\u8003\u3048\u306a\u3044\u305f\u3081\uff0c\u529b\u306e\u4f5c\u7528\u70b9\u3082\u5fc5\u305a\u8cea\u70b9\u306e\u4f4d\u7f6e\u306b\u4e00\u81f4\u3057\uff0c\u8907\u6570\u306e\u529b\u3092\u8db3\u3057\u5408\u308f\u305b\u308b\u969b\u306b\u306f\u5358\u7d14\u306b\u30d9\u30af\u30c8\u30eb\u306e\u8db3\u3057\u7b97\u3068\u3057\u3066\u8003\u3048\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u3057\u304b\u3057\uff0c\u525b\u4f53\u306e\u5834\u5408\u306f\u5927\u304d\u3055\u304c\u3042\u308b\u305f\u3081\uff0c\u529b\u306e\u4f5c\u7528\u70b9\u304c\u4e00\u81f4\u3059\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
\u3053\u306e\u3088\u3046\u306a\u5834\u5408\uff0c\u529b\u306e\u5408\u6210\u306f\u3069\u306e\u3088\u3046\u306b\u884c\u3048\u3070\u3088\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<\/div><\/div><\/div>
\u3053\u3053\u3067\uff0c\u4f5c\u7528\u7dda\u4e0a\u3067\u529b\u3092\u5e73\u884c\u79fb\u52d5\u3055\u305b\u3066\u3082\u529b\u306e\u52b9\u679c\u306f\u5909\u308f\u3089\u306a\u3044\u3053\u3068\u3092\u601d\u3044\u51fa\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n<\/noscript>\u7fbd\u767d<\/div><\/div>\n\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u6c42\u3081\u308b\u969b\u306b\u3082\uff0c\u529b\u3092\u4f5c\u7528\u7dda\u4e0a\u3067\u79fb\u52d5\u3055\u305b\u3066\u8003\u3048\u307e\u3057\u305f\u3088\u306d\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n\u525b\u4f53\u306b\u4f5c\u7528\u3059\u308b\u529b\u3092\u5408\u6210\u3059\u308b\u969b\u306b\u3082\uff0c\u4f5c\u7528\u70b9\u304c\u4e00\u81f4\u3059\u308b\u3088\u3046\u306b\u529b\u3092\u79fb\u52d5\u3055\u305b\u3066\u3057\u307e\u3048\u3070\u3088\u3044\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<\/div>\n\n\n\n2\u3064\u306e\u529b\u306e\u4f5c\u7528\u7dda\u306e\u4ea4\u70b9\u304c\u5171\u901a\u306e\u4f5c\u7528\u70b9\u3068\u306a\u308b\u3088\u3046\u306b\u529b\u3092\u79fb\u52d5\u3055\u305b\u308c\u3070\uff0c\u8cea\u70b9\u306e\u5834\u5408\u3068\u540c\u69d8\u306b\u529b\u3092\u5408\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n2\u3064\u306e\u529b\u30d9\u30af\u30c8\u30eb\u304c\u4f5c\u308b\u5e73\u884c\u56db\u8fba\u5f62\u306e\u5bfe\u89d2\u7dda\u3068\u306a\u308b\u30d9\u30af\u30c8\u30eb\u304c\u5408\u529b\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u3053\u306e\u5408\u529b $\\vec{F}$ \u3082\uff0c\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u4f5c\u7528\u7dda\u4e0a\u3067\u52d5\u304b\u3057\u3066\u8003\u3048\u3066ok\u3067\u3059\u3002<\/p>\n\n\n\n\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210<\/h2>\n\n\n\n\u68d2\u3092\u7528\u3044\u305f\u4f8b<\/h3>\n\n\n\n<\/noscript>\u7fbd\u767d<\/div><\/div>\n\u525b\u4f53\u306b\u50cd\u304f2\u3064\u306e\u529b\u304c\u5e73\u884c\u306a\u5411\u304d\u306e\u3068\u304d\u306f\u3069\u3046\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n\u56f3\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3092\u8003\u3048\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u68d2\u306e\u5de6\u7aef\u4ed8\u8fd1\u306e $\\rmA$ \u70b9\u306b\u5927\u304d\u3055\u304c $f_1$ \u3067\u3042\u308b\u529b $\\vec{f_1}$ \u304c\u4e0b\u5411\u304d\u306b\uff0c\u53f3\u7aef\u4ed8\u8fd1\u306e $\\rmB$ \u70b9\u306b\u5927\u304d\u3055\u304c $f_2$ \u3067\u3042\u308b\u529b $\\vec{f_2}$ \u304c\u4e0b\u5411\u304d\u306b\u4f5c\u7528\u3057\u3066\u3044\u308b\u3082\u306e\u3068\u3057\u307e\u3059\u3002<\/p>\n\n\n\n\u3053\u306e2\u3064\u306e\u529b\u3092\u5408\u6210\u3059\u308b\u305f\u3081\u306b\u4f5c\u7528\u70b9\u306e\u4ea4\u70b9\u3092\u8003\u3048\u3088\u3046\u3068\u3057\u3066\u3082\uff0c2\u529b\u304c\u5e73\u884c\u306a\u306e\u3067\u4f5c\u7528\u7dda\u304c\u4ea4\u308f\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3067\u306f\uff0c\u5225\u306e\u8003\u3048\u65b9\u3067\u5408\u529b\u3092\u6c42\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\u3064\u308a\u5408\u3046\u529b\u3092\u8003\u3048\u308b<\/h3>\n\n\n\n$\\vec{f_1}$ \u3068 $\\vec{f_2}$ \u306e2\u3064\u306e\u529b\u3060\u3051\u3067\u306f\uff0c\u68d2\u306b\u50cd\u304f\u529b\u304c\u660e\u3089\u304b\u306b\u3064\u308a\u5408\u3063\u3066\u3044\u307e\u305b\u3093\u3088\u306d\u3002<\/p>\n\n\n\n\u305d\u3053\u3067\uff0c\u68d2\u304c\u9759\u6b62\u3067\u304d\u308b\u3088\u3046\u306b\uff0c\u5927\u304d\u3055\u304c $F\\mskip 1mu\\prime $ \u306e\u529b $\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3092\u8ffd\u52a0\u3067\u68d2\u306b\u52a0\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u529b\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$F\\mskip 1mu\\prime =f_1+f_2$$\u304c\uff0c$\\rmO$ \u70b9\u307e\u308f\u308a\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$f_1l_2=f_2l_1\\qquad\\therefore \\quad l_1:l_2=f_2:f_1$$\u304c\u6210\u7acb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<\/div>\n\n\n\n\u529b\u306e\u3064\u308a\u5408\u3044\u306f\uff0c\u5411\u304d\u3082\u542b\u3080\u30d9\u30af\u30c8\u30eb\u8868\u8a18\u3067\u8003\u3048\u308b\u3068\uff0c$\\vec{f_1}+\\vec{f_2}+\\vec{\\it{F\\mskip 1mu\\prime }}=\\vec{0}$ \u3067\u3059\u3002<\/p>\n\n\n\n\u3053\u308c\u3092\u5c11\u3057\u5909\u5f62\u3059\u308b\u3068\uff0c<\/p>\n\n\n\n$$\\vec{f_1}+\\vec{f_2}=-\\vec{\\it{F\\mskip 1mu\\prime }}$$\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\u3053\u306e\u5f0f\u306e\u610f\u5473\u3059\u308b\u3068\u3053\u308d\u306f\uff0c\u300c$\\vec{f_1}$ \u3068 $\\vec{f_2}$ \u3092\u8db3\u3059\u3068\uff0c$-\\vec{\\it{F\\mskip 1mu\\prime }}$ \u306b\u306a\u308b\u300d\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u3064\u307e\u308a\uff01\u3053\u306e $-\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3068\u3044\u3046\u30d9\u30af\u30c8\u30eb\u3053\u305d\u304c\u307e\u3055\u306b\u4eca\u56de\u6c42\u3081\u305f\u304b\u3063\u305f\u5408\u529b\u306e\u30d9\u30af\u30c8\u30eb $\\vec{F}$ \u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n\u5927\u304d\u3055\u306f $\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3068\u540c\u3058\u304f $f_1+f_2$\uff0c\u4f5c\u7528\u70b9\u306f $\\rmO$ \u3067\u3059\u306d\uff01<\/p>\n\n\n\n<\/div>\n\n\n\n\u306a\u304a\uff0c\u3053\u306e $\\rmO$ \u70b9\u306f\uff0c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=f_1:f_2$ \u306b\u5185\u5206\u3059\u308b\u70b9\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306e\u5185\u5206\u70b9\u300d\u3068\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<\/i>\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210<\/p>\n\u5e73\u884c\u306a2\u529b\u306e\u5408\u529b\u306f\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5185\u5206\u3059\u308b\u70b9\u300d\u3092\u4f5c\u7528\u70b9\u3068\u8003\u3048\u308b\u3002\u5411\u304d\u306f2\u529b\u3068\u7b49\u3057\u304f\uff0c\u5927\u304d\u3055\u306f2\u529b\u306e\u548c\u3068\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5408\u6210<\/h2>\n\n\n\n\u540c\u69d8\u306b\u8003\u3048\u308b\uff01<\/h3>\n\n\n\n\u5408\u6210\u3059\u308b\u5e73\u884c\u306a2\u529b $\\vec{f_1}$ \u3068 $\\vec{f_2}$ \u304c\u4e92\u3044\u306b\u9006\u5411\u304d\u306e\u5834\u5408\u3082\u8003\u3048\u65b9\u306f\u540c\u69d8\u3067\u3059\u3002<\/p>\n\n\n\n\u3053\u3053\u3067\u306f $f_1>f_2$ \u3067\u3042\u308b\u3082\u306e\u3068\u3057\uff0c\u68d2\u304c\u9759\u6b62\u3067\u304d\u308b\u3088\u3046\u306b\uff0c\u529b $\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u529b\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$F\\mskip 1mu\\prime +f_2=f_1\\qquad\\therefore \\quad F\\mskip 1mu\\prime =f_1-f_2$$\u304c\uff0c$\\rmO$ \u70b9\u307e\u308f\u308a\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$f_1l_2=f_2l_1\\qquad\\therefore \\quad l_1:l_2=f_2:f_1$$\u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n\u3053\u3061\u3089\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u3064\u308a\u5408\u3044\u306e\u5f0f\u306f2\u529b\u304c\u540c\u3058\u5411\u304d\u306e\u5834\u5408\u3068\u540c\u69d8\u3067\u3059\u304c\uff0c$\\rmO$ \u304c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1$ \u306b\u5916\u5206\u3059\u308b\u70b9\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n\u5f0f\u306e\u5909\u5f62\u3068\u89e3\u91c8<\/h3>\n\n\n\n\u5411\u304d\u3082\u542b\u3080\u30d9\u30af\u30c8\u30eb\u8868\u8a18\u3067\u529b\u306e\u3064\u308a\u5408\u3044\u3092\u8003\u3048\u308b\u3068\uff0c<\/p>\n\n\n\n$$\\vec{\\it{F\\mskip 1mu\\prime }}+\\vec{f_1}+\\vec{f_2}=\\vec{0}\\qquad\\therefore \\quad \\vec{f_1}+\\vec{f_2}=-\\vec{\\it{F\\mskip 1mu\\prime }}$$\u3067\u3059\u306e\u3067\uff0c\u3084\u306f\u308a $-\\vec{\\it{F\\mskip 1mu\\prime }}$ \u304c\u6c42\u3081\u308b\u5408\u529b\u306e\u30d9\u30af\u30c8\u30eb $\\vec{F}$ \u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u5411\u304d\u306f $\\vec{f_1}$ \u3068\u540c\u3058\uff0c\u5927\u304d\u3055\u306f $f_1-f_2$ \u3067\u3059\u3002\u4f5c\u7528\u70b9 $\\rmO$ \u306f\uff0c\u7dda\u5206 $\\rmA\\rmB$ \u3092\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4 $f_2:f_1$ \u3067\u5916\u5206\u3057\u305f\u70b9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\u306a\u304a\uff0c$\\vec{f_2}<\\vec{f_1}$ \u306e\u5834\u5408\u3082\u540c\u69d8\u306b\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<\/i>\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5408\u6210<\/p>\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306a2\u529b\u306e\u5408\u529b\u306f\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u3092\u4f5c\u7528\u70b9\u3068\u8003\u3048\u308b\u3002<\/p>\n\n\n\n\u5411\u304d\u306f\u5927\u304d\u3055\u304c\u5927\u304d\u3044\u65b9\u306e\u529b\u3068\u540c\u3058\u5411\u304d\u3067\u3042\u308a\uff0c\u5927\u304d\u3055\u306f2\u529b\u306e\u5dee\u3068\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<\/i><\/div>\n\u7d50\u5c40\u306f\uff0c\u300c\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u300d\u306b\u304a\u3044\u3066\uff0c$\\vec{f_1}\\to-\\vec{f_1}$ \u306b\u3057\u305f\u3082\u306e\u3092\u8003\u3048\u3066\u3044\u308b\u3060\u3051\u3067\u3042\u308b\u3002\u4f5c\u7528\u70b9\u306f\u300c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=(-f_1):f_2$ \u306b\u5185\u5206\u3059\u308b\u70b9\u300d\u3068\u306a\u308b\u304c\uff0c\u3053\u308c\u3092\u300c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=f_1:f_2$ \u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u3068\u3057\u3066\u8003\u3048\u308c\u3070\u3088\u3044\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u5076\u529b<\/h2>\n\n\n\n\u3088\u308a\u8907\u96d1\u306a\u72b6\u6cc1<\/h3>\n\n\n\n<\/noscript>\u7fbd\u767d<\/div><\/div>\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5927\u304d\u3055\u304c\u540c\u3058\u306b\u306a\u308b\u3068\u3069\u3046\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n\u529b\u306e\u5927\u304d\u3055\u306e\u6bd4\u304c $1:1$ \u3067\u3059\u306e\u3067\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002\u3088\u3063\u3066\uff0c\u529b\u306e\u5408\u6210\u306f\u3067\u304d\u307e\u305b\u3093\uff01\u3053\u306e\u3088\u3046\u306a2\u529b\u306e\u7d44\u3092\u5076\u529b<\/span>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8<\/h3>\n\n\n\n\u56f3\u306e\u72b6\u6cc1\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u68d2\u306b\u4f5c\u7528\u3059\u308b2\u529b\u306f\u5076\u529b\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u3053\u306e\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3059\u3002\u529b\u306e\u5927\u304d\u3055\u3092 $f$ \u3068\u3057\uff0c$\\rmA$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u308b\u3068\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u306d\u3002$\\rmB$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\u540c\u69d8\u306b\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u3002\u68d2\u306e\u4e2d\u5fc3\u70b9 $\\rmO$ \u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $2\\times\\Bun{fl}{2}=fl$ \u3067\u3059\u306d\u3002<\/p>\n\n\n\n<\/div>\n\n\n\n\u3053\u306e\u3088\u3046\u306b\uff0c\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\uff0c$fl$ \u306e\u5024\u3068\u306a\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u306a\u304a\uff0c2\u529b\u306f\u5e38\u306b\u300c\u529b\u306e\u3064\u308a\u5408\u3044\u300d\u3092\u6e80\u305f\u3059\u305f\u3081\uff0c\u7269\u4f53\u3092\u52a0\u901f\u3055\u305b\u308b\u4f5c\u7528\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<\/i>\u5076\u529b<\/p>\n\u525b\u4f53\u306b\u4f5c\u7528\u3057\uff0c\u4e92\u3044\u306b\u5927\u304d\u3055\u304c\u7b49\u3057\u304f\uff0c\u9006\u5411\u304d\u306e\u95a2\u4fc2\u3068\u306a\u308b2\u529b\u306e\u7d44\u306e\u3053\u3068\u3002\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u25b6 \u525b\u4f53\u30b7\u30ea\u30fc\u30ba\u306e\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u30fb\u8981\u70b9\u6574\u7406\u306f\u3053\u3061\u3089<\/strong><\/p>\n\n\n\n\u525b\u4f53\u306e\u307e\u3068\u3081\u3010\u5b66\u7fd2\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u3011<\/div>\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u30fb\u9759\u6b62\u6761\u4ef6\u30fb\u91cd\u5fc3\u30fb\u300c\u5012\u308c\u308b\u5012\u308c\u306a\u3044\u300d\u306e\u5224\u5b9a\u6cd5\u30921\u30da\u30fc\u30b8\u306b\u51dd\u7e2e\u3057\u305f\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u3067\u3059\u3002<\/div>\u8a73\u3057\u304f\u898b\u308b<\/a><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u304b\u3089\u5076\u529b\u307e\u3067\uff0c\u525b\u4f53\u306b\u50cd\u304f\u8907\u6570\u306e\u529b\u3092\u3072\u3068\u3064\u306b\u307e\u3068\u3081\u308b\u8003\u3048\u65b9\u3092\u6271\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":4831,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,39],"tags":[],"class_list":["post-4819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dynamics","category-39"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u6c42\u3081\u308b\u969b\u306b\u3082\uff0c\u529b\u3092\u4f5c\u7528\u7dda\u4e0a\u3067\u79fb\u52d5\u3055\u305b\u3066\u8003\u3048\u307e\u3057\u305f\u3088\u306d\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n
\u525b\u4f53\u306b\u4f5c\u7528\u3059\u308b\u529b\u3092\u5408\u6210\u3059\u308b\u969b\u306b\u3082\uff0c\u4f5c\u7528\u70b9\u304c\u4e00\u81f4\u3059\u308b\u3088\u3046\u306b\u529b\u3092\u79fb\u52d5\u3055\u305b\u3066\u3057\u307e\u3048\u3070\u3088\u3044\u306e\u3067\u3059\u3002<\/p>\n\n\n\n
2\u3064\u306e\u529b\u306e\u4f5c\u7528\u7dda\u306e\u4ea4\u70b9\u304c\u5171\u901a\u306e\u4f5c\u7528\u70b9\u3068\u306a\u308b\u3088\u3046\u306b\u529b\u3092\u79fb\u52d5\u3055\u305b\u308c\u3070\uff0c\u8cea\u70b9\u306e\u5834\u5408\u3068\u540c\u69d8\u306b\u529b\u3092\u5408\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
2\u3064\u306e\u529b\u30d9\u30af\u30c8\u30eb\u304c\u4f5c\u308b\u5e73\u884c\u56db\u8fba\u5f62\u306e\u5bfe\u89d2\u7dda\u3068\u306a\u308b\u30d9\u30af\u30c8\u30eb\u304c\u5408\u529b\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u3053\u306e\u5408\u529b $\\vec{F}$ \u3082\uff0c\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u4f5c\u7528\u7dda\u4e0a\u3067\u52d5\u304b\u3057\u3066\u8003\u3048\u3066ok\u3067\u3059\u3002<\/p>\n\n\n\n\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210<\/h2>\n\n\n\n\u68d2\u3092\u7528\u3044\u305f\u4f8b<\/h3>\n\n\n\n<\/noscript>\u7fbd\u767d<\/div><\/div>\n\u525b\u4f53\u306b\u50cd\u304f2\u3064\u306e\u529b\u304c\u5e73\u884c\u306a\u5411\u304d\u306e\u3068\u304d\u306f\u3069\u3046\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n\u56f3\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3092\u8003\u3048\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u68d2\u306e\u5de6\u7aef\u4ed8\u8fd1\u306e $\\rmA$ \u70b9\u306b\u5927\u304d\u3055\u304c $f_1$ \u3067\u3042\u308b\u529b $\\vec{f_1}$ \u304c\u4e0b\u5411\u304d\u306b\uff0c\u53f3\u7aef\u4ed8\u8fd1\u306e $\\rmB$ \u70b9\u306b\u5927\u304d\u3055\u304c $f_2$ \u3067\u3042\u308b\u529b $\\vec{f_2}$ \u304c\u4e0b\u5411\u304d\u306b\u4f5c\u7528\u3057\u3066\u3044\u308b\u3082\u306e\u3068\u3057\u307e\u3059\u3002<\/p>\n\n\n\n\u3053\u306e2\u3064\u306e\u529b\u3092\u5408\u6210\u3059\u308b\u305f\u3081\u306b\u4f5c\u7528\u70b9\u306e\u4ea4\u70b9\u3092\u8003\u3048\u3088\u3046\u3068\u3057\u3066\u3082\uff0c2\u529b\u304c\u5e73\u884c\u306a\u306e\u3067\u4f5c\u7528\u7dda\u304c\u4ea4\u308f\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3067\u306f\uff0c\u5225\u306e\u8003\u3048\u65b9\u3067\u5408\u529b\u3092\u6c42\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\u3064\u308a\u5408\u3046\u529b\u3092\u8003\u3048\u308b<\/h3>\n\n\n\n$\\vec{f_1}$ \u3068 $\\vec{f_2}$ \u306e2\u3064\u306e\u529b\u3060\u3051\u3067\u306f\uff0c\u68d2\u306b\u50cd\u304f\u529b\u304c\u660e\u3089\u304b\u306b\u3064\u308a\u5408\u3063\u3066\u3044\u307e\u305b\u3093\u3088\u306d\u3002<\/p>\n\n\n\n\u305d\u3053\u3067\uff0c\u68d2\u304c\u9759\u6b62\u3067\u304d\u308b\u3088\u3046\u306b\uff0c\u5927\u304d\u3055\u304c $F\\mskip 1mu\\prime $ \u306e\u529b $\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3092\u8ffd\u52a0\u3067\u68d2\u306b\u52a0\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u529b\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$F\\mskip 1mu\\prime =f_1+f_2$$\u304c\uff0c$\\rmO$ \u70b9\u307e\u308f\u308a\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$f_1l_2=f_2l_1\\qquad\\therefore \\quad l_1:l_2=f_2:f_1$$\u304c\u6210\u7acb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<\/div>\n\n\n\n\u529b\u306e\u3064\u308a\u5408\u3044\u306f\uff0c\u5411\u304d\u3082\u542b\u3080\u30d9\u30af\u30c8\u30eb\u8868\u8a18\u3067\u8003\u3048\u308b\u3068\uff0c$\\vec{f_1}+\\vec{f_2}+\\vec{\\it{F\\mskip 1mu\\prime }}=\\vec{0}$ \u3067\u3059\u3002<\/p>\n\n\n\n\u3053\u308c\u3092\u5c11\u3057\u5909\u5f62\u3059\u308b\u3068\uff0c<\/p>\n\n\n\n$$\\vec{f_1}+\\vec{f_2}=-\\vec{\\it{F\\mskip 1mu\\prime }}$$\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\u3053\u306e\u5f0f\u306e\u610f\u5473\u3059\u308b\u3068\u3053\u308d\u306f\uff0c\u300c$\\vec{f_1}$ \u3068 $\\vec{f_2}$ \u3092\u8db3\u3059\u3068\uff0c$-\\vec{\\it{F\\mskip 1mu\\prime }}$ \u306b\u306a\u308b\u300d\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u3064\u307e\u308a\uff01\u3053\u306e $-\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3068\u3044\u3046\u30d9\u30af\u30c8\u30eb\u3053\u305d\u304c\u307e\u3055\u306b\u4eca\u56de\u6c42\u3081\u305f\u304b\u3063\u305f\u5408\u529b\u306e\u30d9\u30af\u30c8\u30eb $\\vec{F}$ \u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n\u5927\u304d\u3055\u306f $\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3068\u540c\u3058\u304f $f_1+f_2$\uff0c\u4f5c\u7528\u70b9\u306f $\\rmO$ \u3067\u3059\u306d\uff01<\/p>\n\n\n\n<\/div>\n\n\n\n\u306a\u304a\uff0c\u3053\u306e $\\rmO$ \u70b9\u306f\uff0c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=f_1:f_2$ \u306b\u5185\u5206\u3059\u308b\u70b9\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306e\u5185\u5206\u70b9\u300d\u3068\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<\/i>\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210<\/p>\n\u5e73\u884c\u306a2\u529b\u306e\u5408\u529b\u306f\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5185\u5206\u3059\u308b\u70b9\u300d\u3092\u4f5c\u7528\u70b9\u3068\u8003\u3048\u308b\u3002\u5411\u304d\u306f2\u529b\u3068\u7b49\u3057\u304f\uff0c\u5927\u304d\u3055\u306f2\u529b\u306e\u548c\u3068\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5408\u6210<\/h2>\n\n\n\n\u540c\u69d8\u306b\u8003\u3048\u308b\uff01<\/h3>\n\n\n\n\u5408\u6210\u3059\u308b\u5e73\u884c\u306a2\u529b $\\vec{f_1}$ \u3068 $\\vec{f_2}$ \u304c\u4e92\u3044\u306b\u9006\u5411\u304d\u306e\u5834\u5408\u3082\u8003\u3048\u65b9\u306f\u540c\u69d8\u3067\u3059\u3002<\/p>\n\n\n\n\u3053\u3053\u3067\u306f $f_1>f_2$ \u3067\u3042\u308b\u3082\u306e\u3068\u3057\uff0c\u68d2\u304c\u9759\u6b62\u3067\u304d\u308b\u3088\u3046\u306b\uff0c\u529b $\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u529b\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$F\\mskip 1mu\\prime +f_2=f_1\\qquad\\therefore \\quad F\\mskip 1mu\\prime =f_1-f_2$$\u304c\uff0c$\\rmO$ \u70b9\u307e\u308f\u308a\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$f_1l_2=f_2l_1\\qquad\\therefore \\quad l_1:l_2=f_2:f_1$$\u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n\u3053\u3061\u3089\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u3064\u308a\u5408\u3044\u306e\u5f0f\u306f2\u529b\u304c\u540c\u3058\u5411\u304d\u306e\u5834\u5408\u3068\u540c\u69d8\u3067\u3059\u304c\uff0c$\\rmO$ \u304c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1$ \u306b\u5916\u5206\u3059\u308b\u70b9\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n\u5f0f\u306e\u5909\u5f62\u3068\u89e3\u91c8<\/h3>\n\n\n\n\u5411\u304d\u3082\u542b\u3080\u30d9\u30af\u30c8\u30eb\u8868\u8a18\u3067\u529b\u306e\u3064\u308a\u5408\u3044\u3092\u8003\u3048\u308b\u3068\uff0c<\/p>\n\n\n\n$$\\vec{\\it{F\\mskip 1mu\\prime }}+\\vec{f_1}+\\vec{f_2}=\\vec{0}\\qquad\\therefore \\quad \\vec{f_1}+\\vec{f_2}=-\\vec{\\it{F\\mskip 1mu\\prime }}$$\u3067\u3059\u306e\u3067\uff0c\u3084\u306f\u308a $-\\vec{\\it{F\\mskip 1mu\\prime }}$ \u304c\u6c42\u3081\u308b\u5408\u529b\u306e\u30d9\u30af\u30c8\u30eb $\\vec{F}$ \u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u5411\u304d\u306f $\\vec{f_1}$ \u3068\u540c\u3058\uff0c\u5927\u304d\u3055\u306f $f_1-f_2$ \u3067\u3059\u3002\u4f5c\u7528\u70b9 $\\rmO$ \u306f\uff0c\u7dda\u5206 $\\rmA\\rmB$ \u3092\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4 $f_2:f_1$ \u3067\u5916\u5206\u3057\u305f\u70b9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\u306a\u304a\uff0c$\\vec{f_2}<\\vec{f_1}$ \u306e\u5834\u5408\u3082\u540c\u69d8\u306b\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<\/i>\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5408\u6210<\/p>\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306a2\u529b\u306e\u5408\u529b\u306f\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u3092\u4f5c\u7528\u70b9\u3068\u8003\u3048\u308b\u3002<\/p>\n\n\n\n\u5411\u304d\u306f\u5927\u304d\u3055\u304c\u5927\u304d\u3044\u65b9\u306e\u529b\u3068\u540c\u3058\u5411\u304d\u3067\u3042\u308a\uff0c\u5927\u304d\u3055\u306f2\u529b\u306e\u5dee\u3068\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<\/i><\/div>\n\u7d50\u5c40\u306f\uff0c\u300c\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u300d\u306b\u304a\u3044\u3066\uff0c$\\vec{f_1}\\to-\\vec{f_1}$ \u306b\u3057\u305f\u3082\u306e\u3092\u8003\u3048\u3066\u3044\u308b\u3060\u3051\u3067\u3042\u308b\u3002\u4f5c\u7528\u70b9\u306f\u300c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=(-f_1):f_2$ \u306b\u5185\u5206\u3059\u308b\u70b9\u300d\u3068\u306a\u308b\u304c\uff0c\u3053\u308c\u3092\u300c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=f_1:f_2$ \u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u3068\u3057\u3066\u8003\u3048\u308c\u3070\u3088\u3044\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u5076\u529b<\/h2>\n\n\n\n\u3088\u308a\u8907\u96d1\u306a\u72b6\u6cc1<\/h3>\n\n\n\n<\/noscript>\u7fbd\u767d<\/div><\/div>\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5927\u304d\u3055\u304c\u540c\u3058\u306b\u306a\u308b\u3068\u3069\u3046\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n\u529b\u306e\u5927\u304d\u3055\u306e\u6bd4\u304c $1:1$ \u3067\u3059\u306e\u3067\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002\u3088\u3063\u3066\uff0c\u529b\u306e\u5408\u6210\u306f\u3067\u304d\u307e\u305b\u3093\uff01\u3053\u306e\u3088\u3046\u306a2\u529b\u306e\u7d44\u3092\u5076\u529b<\/span>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8<\/h3>\n\n\n\n\u56f3\u306e\u72b6\u6cc1\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u68d2\u306b\u4f5c\u7528\u3059\u308b2\u529b\u306f\u5076\u529b\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u3053\u306e\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3059\u3002\u529b\u306e\u5927\u304d\u3055\u3092 $f$ \u3068\u3057\uff0c$\\rmA$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u308b\u3068\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u306d\u3002$\\rmB$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\u540c\u69d8\u306b\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u3002\u68d2\u306e\u4e2d\u5fc3\u70b9 $\\rmO$ \u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $2\\times\\Bun{fl}{2}=fl$ \u3067\u3059\u306d\u3002<\/p>\n\n\n\n<\/div>\n\n\n\n\u3053\u306e\u3088\u3046\u306b\uff0c\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\uff0c$fl$ \u306e\u5024\u3068\u306a\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u306a\u304a\uff0c2\u529b\u306f\u5e38\u306b\u300c\u529b\u306e\u3064\u308a\u5408\u3044\u300d\u3092\u6e80\u305f\u3059\u305f\u3081\uff0c\u7269\u4f53\u3092\u52a0\u901f\u3055\u305b\u308b\u4f5c\u7528\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<\/i>\u5076\u529b<\/p>\n\u525b\u4f53\u306b\u4f5c\u7528\u3057\uff0c\u4e92\u3044\u306b\u5927\u304d\u3055\u304c\u7b49\u3057\u304f\uff0c\u9006\u5411\u304d\u306e\u95a2\u4fc2\u3068\u306a\u308b2\u529b\u306e\u7d44\u306e\u3053\u3068\u3002\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u25b6 \u525b\u4f53\u30b7\u30ea\u30fc\u30ba\u306e\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u30fb\u8981\u70b9\u6574\u7406\u306f\u3053\u3061\u3089<\/strong><\/p>\n\n\n\n\u525b\u4f53\u306e\u307e\u3068\u3081\u3010\u5b66\u7fd2\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u3011<\/div>\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u30fb\u9759\u6b62\u6761\u4ef6\u30fb\u91cd\u5fc3\u30fb\u300c\u5012\u308c\u308b\u5012\u308c\u306a\u3044\u300d\u306e\u5224\u5b9a\u6cd5\u30921\u30da\u30fc\u30b8\u306b\u51dd\u7e2e\u3057\u305f\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u3067\u3059\u3002<\/div>\u8a73\u3057\u304f\u898b\u308b<\/a><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u304b\u3089\u5076\u529b\u307e\u3067\uff0c\u525b\u4f53\u306b\u50cd\u304f\u8907\u6570\u306e\u529b\u3092\u3072\u3068\u3064\u306b\u307e\u3068\u3081\u308b\u8003\u3048\u65b9\u3092\u6271\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":4831,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,39],"tags":[],"class_list":["post-4819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dynamics","category-39"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
\u3053\u306e\u5408\u529b $\\vec{F}$ \u3082\uff0c\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u4f5c\u7528\u7dda\u4e0a\u3067\u52d5\u304b\u3057\u3066\u8003\u3048\u3066ok\u3067\u3059\u3002<\/p>\n\n\n\n
\u525b\u4f53\u306b\u50cd\u304f2\u3064\u306e\u529b\u304c\u5e73\u884c\u306a\u5411\u304d\u306e\u3068\u304d\u306f\u3069\u3046\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n
\u56f3\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3092\u8003\u3048\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u68d2\u306e\u5de6\u7aef\u4ed8\u8fd1\u306e $\\rmA$ \u70b9\u306b\u5927\u304d\u3055\u304c $f_1$ \u3067\u3042\u308b\u529b $\\vec{f_1}$ \u304c\u4e0b\u5411\u304d\u306b\uff0c\u53f3\u7aef\u4ed8\u8fd1\u306e $\\rmB$ \u70b9\u306b\u5927\u304d\u3055\u304c $f_2$ \u3067\u3042\u308b\u529b $\\vec{f_2}$ \u304c\u4e0b\u5411\u304d\u306b\u4f5c\u7528\u3057\u3066\u3044\u308b\u3082\u306e\u3068\u3057\u307e\u3059\u3002<\/p>\n\n\n\n\u3053\u306e2\u3064\u306e\u529b\u3092\u5408\u6210\u3059\u308b\u305f\u3081\u306b\u4f5c\u7528\u70b9\u306e\u4ea4\u70b9\u3092\u8003\u3048\u3088\u3046\u3068\u3057\u3066\u3082\uff0c2\u529b\u304c\u5e73\u884c\u306a\u306e\u3067\u4f5c\u7528\u7dda\u304c\u4ea4\u308f\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3067\u306f\uff0c\u5225\u306e\u8003\u3048\u65b9\u3067\u5408\u529b\u3092\u6c42\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\u3064\u308a\u5408\u3046\u529b\u3092\u8003\u3048\u308b<\/h3>\n\n\n\n$\\vec{f_1}$ \u3068 $\\vec{f_2}$ \u306e2\u3064\u306e\u529b\u3060\u3051\u3067\u306f\uff0c\u68d2\u306b\u50cd\u304f\u529b\u304c\u660e\u3089\u304b\u306b\u3064\u308a\u5408\u3063\u3066\u3044\u307e\u305b\u3093\u3088\u306d\u3002<\/p>\n\n\n\n\u305d\u3053\u3067\uff0c\u68d2\u304c\u9759\u6b62\u3067\u304d\u308b\u3088\u3046\u306b\uff0c\u5927\u304d\u3055\u304c $F\\mskip 1mu\\prime $ \u306e\u529b $\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3092\u8ffd\u52a0\u3067\u68d2\u306b\u52a0\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u529b\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$F\\mskip 1mu\\prime =f_1+f_2$$\u304c\uff0c$\\rmO$ \u70b9\u307e\u308f\u308a\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$f_1l_2=f_2l_1\\qquad\\therefore \\quad l_1:l_2=f_2:f_1$$\u304c\u6210\u7acb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<\/div>\n\n\n\n\u529b\u306e\u3064\u308a\u5408\u3044\u306f\uff0c\u5411\u304d\u3082\u542b\u3080\u30d9\u30af\u30c8\u30eb\u8868\u8a18\u3067\u8003\u3048\u308b\u3068\uff0c$\\vec{f_1}+\\vec{f_2}+\\vec{\\it{F\\mskip 1mu\\prime }}=\\vec{0}$ \u3067\u3059\u3002<\/p>\n\n\n\n\u3053\u308c\u3092\u5c11\u3057\u5909\u5f62\u3059\u308b\u3068\uff0c<\/p>\n\n\n\n$$\\vec{f_1}+\\vec{f_2}=-\\vec{\\it{F\\mskip 1mu\\prime }}$$\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\u3053\u306e\u5f0f\u306e\u610f\u5473\u3059\u308b\u3068\u3053\u308d\u306f\uff0c\u300c$\\vec{f_1}$ \u3068 $\\vec{f_2}$ \u3092\u8db3\u3059\u3068\uff0c$-\\vec{\\it{F\\mskip 1mu\\prime }}$ \u306b\u306a\u308b\u300d\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u3064\u307e\u308a\uff01\u3053\u306e $-\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3068\u3044\u3046\u30d9\u30af\u30c8\u30eb\u3053\u305d\u304c\u307e\u3055\u306b\u4eca\u56de\u6c42\u3081\u305f\u304b\u3063\u305f\u5408\u529b\u306e\u30d9\u30af\u30c8\u30eb $\\vec{F}$ \u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n\u5927\u304d\u3055\u306f $\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3068\u540c\u3058\u304f $f_1+f_2$\uff0c\u4f5c\u7528\u70b9\u306f $\\rmO$ \u3067\u3059\u306d\uff01<\/p>\n\n\n\n<\/div>\n\n\n\n\u306a\u304a\uff0c\u3053\u306e $\\rmO$ \u70b9\u306f\uff0c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=f_1:f_2$ \u306b\u5185\u5206\u3059\u308b\u70b9\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306e\u5185\u5206\u70b9\u300d\u3068\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<\/i>\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210<\/p>\n\u5e73\u884c\u306a2\u529b\u306e\u5408\u529b\u306f\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5185\u5206\u3059\u308b\u70b9\u300d\u3092\u4f5c\u7528\u70b9\u3068\u8003\u3048\u308b\u3002\u5411\u304d\u306f2\u529b\u3068\u7b49\u3057\u304f\uff0c\u5927\u304d\u3055\u306f2\u529b\u306e\u548c\u3068\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5408\u6210<\/h2>\n\n\n\n\u540c\u69d8\u306b\u8003\u3048\u308b\uff01<\/h3>\n\n\n\n\u5408\u6210\u3059\u308b\u5e73\u884c\u306a2\u529b $\\vec{f_1}$ \u3068 $\\vec{f_2}$ \u304c\u4e92\u3044\u306b\u9006\u5411\u304d\u306e\u5834\u5408\u3082\u8003\u3048\u65b9\u306f\u540c\u69d8\u3067\u3059\u3002<\/p>\n\n\n\n\u3053\u3053\u3067\u306f $f_1>f_2$ \u3067\u3042\u308b\u3082\u306e\u3068\u3057\uff0c\u68d2\u304c\u9759\u6b62\u3067\u304d\u308b\u3088\u3046\u306b\uff0c\u529b $\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u529b\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$F\\mskip 1mu\\prime +f_2=f_1\\qquad\\therefore \\quad F\\mskip 1mu\\prime =f_1-f_2$$\u304c\uff0c$\\rmO$ \u70b9\u307e\u308f\u308a\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$f_1l_2=f_2l_1\\qquad\\therefore \\quad l_1:l_2=f_2:f_1$$\u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n\u3053\u3061\u3089\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u3064\u308a\u5408\u3044\u306e\u5f0f\u306f2\u529b\u304c\u540c\u3058\u5411\u304d\u306e\u5834\u5408\u3068\u540c\u69d8\u3067\u3059\u304c\uff0c$\\rmO$ \u304c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1$ \u306b\u5916\u5206\u3059\u308b\u70b9\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n\u5f0f\u306e\u5909\u5f62\u3068\u89e3\u91c8<\/h3>\n\n\n\n\u5411\u304d\u3082\u542b\u3080\u30d9\u30af\u30c8\u30eb\u8868\u8a18\u3067\u529b\u306e\u3064\u308a\u5408\u3044\u3092\u8003\u3048\u308b\u3068\uff0c<\/p>\n\n\n\n$$\\vec{\\it{F\\mskip 1mu\\prime }}+\\vec{f_1}+\\vec{f_2}=\\vec{0}\\qquad\\therefore \\quad \\vec{f_1}+\\vec{f_2}=-\\vec{\\it{F\\mskip 1mu\\prime }}$$\u3067\u3059\u306e\u3067\uff0c\u3084\u306f\u308a $-\\vec{\\it{F\\mskip 1mu\\prime }}$ \u304c\u6c42\u3081\u308b\u5408\u529b\u306e\u30d9\u30af\u30c8\u30eb $\\vec{F}$ \u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u5411\u304d\u306f $\\vec{f_1}$ \u3068\u540c\u3058\uff0c\u5927\u304d\u3055\u306f $f_1-f_2$ \u3067\u3059\u3002\u4f5c\u7528\u70b9 $\\rmO$ \u306f\uff0c\u7dda\u5206 $\\rmA\\rmB$ \u3092\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4 $f_2:f_1$ \u3067\u5916\u5206\u3057\u305f\u70b9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\u306a\u304a\uff0c$\\vec{f_2}<\\vec{f_1}$ \u306e\u5834\u5408\u3082\u540c\u69d8\u306b\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<\/i>\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5408\u6210<\/p>\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306a2\u529b\u306e\u5408\u529b\u306f\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u3092\u4f5c\u7528\u70b9\u3068\u8003\u3048\u308b\u3002<\/p>\n\n\n\n\u5411\u304d\u306f\u5927\u304d\u3055\u304c\u5927\u304d\u3044\u65b9\u306e\u529b\u3068\u540c\u3058\u5411\u304d\u3067\u3042\u308a\uff0c\u5927\u304d\u3055\u306f2\u529b\u306e\u5dee\u3068\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<\/i><\/div>\n\u7d50\u5c40\u306f\uff0c\u300c\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u300d\u306b\u304a\u3044\u3066\uff0c$\\vec{f_1}\\to-\\vec{f_1}$ \u306b\u3057\u305f\u3082\u306e\u3092\u8003\u3048\u3066\u3044\u308b\u3060\u3051\u3067\u3042\u308b\u3002\u4f5c\u7528\u70b9\u306f\u300c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=(-f_1):f_2$ \u306b\u5185\u5206\u3059\u308b\u70b9\u300d\u3068\u306a\u308b\u304c\uff0c\u3053\u308c\u3092\u300c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=f_1:f_2$ \u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u3068\u3057\u3066\u8003\u3048\u308c\u3070\u3088\u3044\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u5076\u529b<\/h2>\n\n\n\n\u3088\u308a\u8907\u96d1\u306a\u72b6\u6cc1<\/h3>\n\n\n\n<\/noscript>\u7fbd\u767d<\/div><\/div>\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5927\u304d\u3055\u304c\u540c\u3058\u306b\u306a\u308b\u3068\u3069\u3046\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n\u529b\u306e\u5927\u304d\u3055\u306e\u6bd4\u304c $1:1$ \u3067\u3059\u306e\u3067\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002\u3088\u3063\u3066\uff0c\u529b\u306e\u5408\u6210\u306f\u3067\u304d\u307e\u305b\u3093\uff01\u3053\u306e\u3088\u3046\u306a2\u529b\u306e\u7d44\u3092\u5076\u529b<\/span>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8<\/h3>\n\n\n\n\u56f3\u306e\u72b6\u6cc1\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u68d2\u306b\u4f5c\u7528\u3059\u308b2\u529b\u306f\u5076\u529b\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u3053\u306e\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3059\u3002\u529b\u306e\u5927\u304d\u3055\u3092 $f$ \u3068\u3057\uff0c$\\rmA$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u308b\u3068\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u306d\u3002$\\rmB$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\u540c\u69d8\u306b\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u3002\u68d2\u306e\u4e2d\u5fc3\u70b9 $\\rmO$ \u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $2\\times\\Bun{fl}{2}=fl$ \u3067\u3059\u306d\u3002<\/p>\n\n\n\n<\/div>\n\n\n\n\u3053\u306e\u3088\u3046\u306b\uff0c\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\uff0c$fl$ \u306e\u5024\u3068\u306a\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u306a\u304a\uff0c2\u529b\u306f\u5e38\u306b\u300c\u529b\u306e\u3064\u308a\u5408\u3044\u300d\u3092\u6e80\u305f\u3059\u305f\u3081\uff0c\u7269\u4f53\u3092\u52a0\u901f\u3055\u305b\u308b\u4f5c\u7528\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<\/i>\u5076\u529b<\/p>\n\u525b\u4f53\u306b\u4f5c\u7528\u3057\uff0c\u4e92\u3044\u306b\u5927\u304d\u3055\u304c\u7b49\u3057\u304f\uff0c\u9006\u5411\u304d\u306e\u95a2\u4fc2\u3068\u306a\u308b2\u529b\u306e\u7d44\u306e\u3053\u3068\u3002\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u25b6 \u525b\u4f53\u30b7\u30ea\u30fc\u30ba\u306e\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u30fb\u8981\u70b9\u6574\u7406\u306f\u3053\u3061\u3089<\/strong><\/p>\n\n\n\n\u525b\u4f53\u306e\u307e\u3068\u3081\u3010\u5b66\u7fd2\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u3011<\/div>\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u30fb\u9759\u6b62\u6761\u4ef6\u30fb\u91cd\u5fc3\u30fb\u300c\u5012\u308c\u308b\u5012\u308c\u306a\u3044\u300d\u306e\u5224\u5b9a\u6cd5\u30921\u30da\u30fc\u30b8\u306b\u51dd\u7e2e\u3057\u305f\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u3067\u3059\u3002<\/div>\u8a73\u3057\u304f\u898b\u308b<\/a><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u304b\u3089\u5076\u529b\u307e\u3067\uff0c\u525b\u4f53\u306b\u50cd\u304f\u8907\u6570\u306e\u529b\u3092\u3072\u3068\u3064\u306b\u307e\u3068\u3081\u308b\u8003\u3048\u65b9\u3092\u6271\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":4831,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,39],"tags":[],"class_list":["post-4819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dynamics","category-39"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
\u68d2\u306e\u5de6\u7aef\u4ed8\u8fd1\u306e $\\rmA$ \u70b9\u306b\u5927\u304d\u3055\u304c $f_1$ \u3067\u3042\u308b\u529b $\\vec{f_1}$ \u304c\u4e0b\u5411\u304d\u306b\uff0c\u53f3\u7aef\u4ed8\u8fd1\u306e $\\rmB$ \u70b9\u306b\u5927\u304d\u3055\u304c $f_2$ \u3067\u3042\u308b\u529b $\\vec{f_2}$ \u304c\u4e0b\u5411\u304d\u306b\u4f5c\u7528\u3057\u3066\u3044\u308b\u3082\u306e\u3068\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u3053\u306e2\u3064\u306e\u529b\u3092\u5408\u6210\u3059\u308b\u305f\u3081\u306b\u4f5c\u7528\u70b9\u306e\u4ea4\u70b9\u3092\u8003\u3048\u3088\u3046\u3068\u3057\u3066\u3082\uff0c2\u529b\u304c\u5e73\u884c\u306a\u306e\u3067\u4f5c\u7528\u7dda\u304c\u4ea4\u308f\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3067\u306f\uff0c\u5225\u306e\u8003\u3048\u65b9\u3067\u5408\u529b\u3092\u6c42\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
$\\vec{f_1}$ \u3068 $\\vec{f_2}$ \u306e2\u3064\u306e\u529b\u3060\u3051\u3067\u306f\uff0c\u68d2\u306b\u50cd\u304f\u529b\u304c\u660e\u3089\u304b\u306b\u3064\u308a\u5408\u3063\u3066\u3044\u307e\u305b\u3093\u3088\u306d\u3002<\/p>\n\n\n\n
\u305d\u3053\u3067\uff0c\u68d2\u304c\u9759\u6b62\u3067\u304d\u308b\u3088\u3046\u306b\uff0c\u5927\u304d\u3055\u304c $F\\mskip 1mu\\prime $ \u306e\u529b $\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3092\u8ffd\u52a0\u3067\u68d2\u306b\u52a0\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u529b\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$F\\mskip 1mu\\prime =f_1+f_2$$\u304c\uff0c$\\rmO$ \u70b9\u307e\u308f\u308a\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$f_1l_2=f_2l_1\\qquad\\therefore \\quad l_1:l_2=f_2:f_1$$\u304c\u6210\u7acb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<\/div>\n\n\n\n\u529b\u306e\u3064\u308a\u5408\u3044\u306f\uff0c\u5411\u304d\u3082\u542b\u3080\u30d9\u30af\u30c8\u30eb\u8868\u8a18\u3067\u8003\u3048\u308b\u3068\uff0c$\\vec{f_1}+\\vec{f_2}+\\vec{\\it{F\\mskip 1mu\\prime }}=\\vec{0}$ \u3067\u3059\u3002<\/p>\n\n\n\n\u3053\u308c\u3092\u5c11\u3057\u5909\u5f62\u3059\u308b\u3068\uff0c<\/p>\n\n\n\n$$\\vec{f_1}+\\vec{f_2}=-\\vec{\\it{F\\mskip 1mu\\prime }}$$\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\u3053\u306e\u5f0f\u306e\u610f\u5473\u3059\u308b\u3068\u3053\u308d\u306f\uff0c\u300c$\\vec{f_1}$ \u3068 $\\vec{f_2}$ \u3092\u8db3\u3059\u3068\uff0c$-\\vec{\\it{F\\mskip 1mu\\prime }}$ \u306b\u306a\u308b\u300d\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u3064\u307e\u308a\uff01\u3053\u306e $-\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3068\u3044\u3046\u30d9\u30af\u30c8\u30eb\u3053\u305d\u304c\u307e\u3055\u306b\u4eca\u56de\u6c42\u3081\u305f\u304b\u3063\u305f\u5408\u529b\u306e\u30d9\u30af\u30c8\u30eb $\\vec{F}$ \u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n\u5927\u304d\u3055\u306f $\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3068\u540c\u3058\u304f $f_1+f_2$\uff0c\u4f5c\u7528\u70b9\u306f $\\rmO$ \u3067\u3059\u306d\uff01<\/p>\n\n\n\n<\/div>\n\n\n\n\u306a\u304a\uff0c\u3053\u306e $\\rmO$ \u70b9\u306f\uff0c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=f_1:f_2$ \u306b\u5185\u5206\u3059\u308b\u70b9\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306e\u5185\u5206\u70b9\u300d\u3068\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<\/i>\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210<\/p>\n\u5e73\u884c\u306a2\u529b\u306e\u5408\u529b\u306f\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5185\u5206\u3059\u308b\u70b9\u300d\u3092\u4f5c\u7528\u70b9\u3068\u8003\u3048\u308b\u3002\u5411\u304d\u306f2\u529b\u3068\u7b49\u3057\u304f\uff0c\u5927\u304d\u3055\u306f2\u529b\u306e\u548c\u3068\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5408\u6210<\/h2>\n\n\n\n\u540c\u69d8\u306b\u8003\u3048\u308b\uff01<\/h3>\n\n\n\n\u5408\u6210\u3059\u308b\u5e73\u884c\u306a2\u529b $\\vec{f_1}$ \u3068 $\\vec{f_2}$ \u304c\u4e92\u3044\u306b\u9006\u5411\u304d\u306e\u5834\u5408\u3082\u8003\u3048\u65b9\u306f\u540c\u69d8\u3067\u3059\u3002<\/p>\n\n\n\n\u3053\u3053\u3067\u306f $f_1>f_2$ \u3067\u3042\u308b\u3082\u306e\u3068\u3057\uff0c\u68d2\u304c\u9759\u6b62\u3067\u304d\u308b\u3088\u3046\u306b\uff0c\u529b $\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u529b\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$F\\mskip 1mu\\prime +f_2=f_1\\qquad\\therefore \\quad F\\mskip 1mu\\prime =f_1-f_2$$\u304c\uff0c$\\rmO$ \u70b9\u307e\u308f\u308a\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$f_1l_2=f_2l_1\\qquad\\therefore \\quad l_1:l_2=f_2:f_1$$\u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n\u3053\u3061\u3089\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u3064\u308a\u5408\u3044\u306e\u5f0f\u306f2\u529b\u304c\u540c\u3058\u5411\u304d\u306e\u5834\u5408\u3068\u540c\u69d8\u3067\u3059\u304c\uff0c$\\rmO$ \u304c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1$ \u306b\u5916\u5206\u3059\u308b\u70b9\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n\u5f0f\u306e\u5909\u5f62\u3068\u89e3\u91c8<\/h3>\n\n\n\n\u5411\u304d\u3082\u542b\u3080\u30d9\u30af\u30c8\u30eb\u8868\u8a18\u3067\u529b\u306e\u3064\u308a\u5408\u3044\u3092\u8003\u3048\u308b\u3068\uff0c<\/p>\n\n\n\n$$\\vec{\\it{F\\mskip 1mu\\prime }}+\\vec{f_1}+\\vec{f_2}=\\vec{0}\\qquad\\therefore \\quad \\vec{f_1}+\\vec{f_2}=-\\vec{\\it{F\\mskip 1mu\\prime }}$$\u3067\u3059\u306e\u3067\uff0c\u3084\u306f\u308a $-\\vec{\\it{F\\mskip 1mu\\prime }}$ \u304c\u6c42\u3081\u308b\u5408\u529b\u306e\u30d9\u30af\u30c8\u30eb $\\vec{F}$ \u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u5411\u304d\u306f $\\vec{f_1}$ \u3068\u540c\u3058\uff0c\u5927\u304d\u3055\u306f $f_1-f_2$ \u3067\u3059\u3002\u4f5c\u7528\u70b9 $\\rmO$ \u306f\uff0c\u7dda\u5206 $\\rmA\\rmB$ \u3092\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4 $f_2:f_1$ \u3067\u5916\u5206\u3057\u305f\u70b9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\u306a\u304a\uff0c$\\vec{f_2}<\\vec{f_1}$ \u306e\u5834\u5408\u3082\u540c\u69d8\u306b\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<\/i>\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5408\u6210<\/p>\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306a2\u529b\u306e\u5408\u529b\u306f\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u3092\u4f5c\u7528\u70b9\u3068\u8003\u3048\u308b\u3002<\/p>\n\n\n\n\u5411\u304d\u306f\u5927\u304d\u3055\u304c\u5927\u304d\u3044\u65b9\u306e\u529b\u3068\u540c\u3058\u5411\u304d\u3067\u3042\u308a\uff0c\u5927\u304d\u3055\u306f2\u529b\u306e\u5dee\u3068\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<\/i><\/div>\n\u7d50\u5c40\u306f\uff0c\u300c\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u300d\u306b\u304a\u3044\u3066\uff0c$\\vec{f_1}\\to-\\vec{f_1}$ \u306b\u3057\u305f\u3082\u306e\u3092\u8003\u3048\u3066\u3044\u308b\u3060\u3051\u3067\u3042\u308b\u3002\u4f5c\u7528\u70b9\u306f\u300c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=(-f_1):f_2$ \u306b\u5185\u5206\u3059\u308b\u70b9\u300d\u3068\u306a\u308b\u304c\uff0c\u3053\u308c\u3092\u300c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=f_1:f_2$ \u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u3068\u3057\u3066\u8003\u3048\u308c\u3070\u3088\u3044\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u5076\u529b<\/h2>\n\n\n\n\u3088\u308a\u8907\u96d1\u306a\u72b6\u6cc1<\/h3>\n\n\n\n<\/noscript>\u7fbd\u767d<\/div><\/div>\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5927\u304d\u3055\u304c\u540c\u3058\u306b\u306a\u308b\u3068\u3069\u3046\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n\u529b\u306e\u5927\u304d\u3055\u306e\u6bd4\u304c $1:1$ \u3067\u3059\u306e\u3067\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002\u3088\u3063\u3066\uff0c\u529b\u306e\u5408\u6210\u306f\u3067\u304d\u307e\u305b\u3093\uff01\u3053\u306e\u3088\u3046\u306a2\u529b\u306e\u7d44\u3092\u5076\u529b<\/span>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8<\/h3>\n\n\n\n\u56f3\u306e\u72b6\u6cc1\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u68d2\u306b\u4f5c\u7528\u3059\u308b2\u529b\u306f\u5076\u529b\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u3053\u306e\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3059\u3002\u529b\u306e\u5927\u304d\u3055\u3092 $f$ \u3068\u3057\uff0c$\\rmA$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u308b\u3068\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u306d\u3002$\\rmB$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\u540c\u69d8\u306b\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u3002\u68d2\u306e\u4e2d\u5fc3\u70b9 $\\rmO$ \u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $2\\times\\Bun{fl}{2}=fl$ \u3067\u3059\u306d\u3002<\/p>\n\n\n\n<\/div>\n\n\n\n\u3053\u306e\u3088\u3046\u306b\uff0c\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\uff0c$fl$ \u306e\u5024\u3068\u306a\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u306a\u304a\uff0c2\u529b\u306f\u5e38\u306b\u300c\u529b\u306e\u3064\u308a\u5408\u3044\u300d\u3092\u6e80\u305f\u3059\u305f\u3081\uff0c\u7269\u4f53\u3092\u52a0\u901f\u3055\u305b\u308b\u4f5c\u7528\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<\/i>\u5076\u529b<\/p>\n\u525b\u4f53\u306b\u4f5c\u7528\u3057\uff0c\u4e92\u3044\u306b\u5927\u304d\u3055\u304c\u7b49\u3057\u304f\uff0c\u9006\u5411\u304d\u306e\u95a2\u4fc2\u3068\u306a\u308b2\u529b\u306e\u7d44\u306e\u3053\u3068\u3002\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u25b6 \u525b\u4f53\u30b7\u30ea\u30fc\u30ba\u306e\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u30fb\u8981\u70b9\u6574\u7406\u306f\u3053\u3061\u3089<\/strong><\/p>\n\n\n\n\u525b\u4f53\u306e\u307e\u3068\u3081\u3010\u5b66\u7fd2\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u3011<\/div>\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u30fb\u9759\u6b62\u6761\u4ef6\u30fb\u91cd\u5fc3\u30fb\u300c\u5012\u308c\u308b\u5012\u308c\u306a\u3044\u300d\u306e\u5224\u5b9a\u6cd5\u30921\u30da\u30fc\u30b8\u306b\u51dd\u7e2e\u3057\u305f\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u3067\u3059\u3002<\/div>\u8a73\u3057\u304f\u898b\u308b<\/a><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u304b\u3089\u5076\u529b\u307e\u3067\uff0c\u525b\u4f53\u306b\u50cd\u304f\u8907\u6570\u306e\u529b\u3092\u3072\u3068\u3064\u306b\u307e\u3068\u3081\u308b\u8003\u3048\u65b9\u3092\u6271\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":4831,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,39],"tags":[],"class_list":["post-4819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dynamics","category-39"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
\u529b\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n
$$F\\mskip 1mu\\prime =f_1+f_2$$\u304c\uff0c$\\rmO$ \u70b9\u307e\u308f\u308a\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n
$$f_1l_2=f_2l_1\\qquad\\therefore \\quad l_1:l_2=f_2:f_1$$\u304c\u6210\u7acb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u529b\u306e\u3064\u308a\u5408\u3044\u306f\uff0c\u5411\u304d\u3082\u542b\u3080\u30d9\u30af\u30c8\u30eb\u8868\u8a18\u3067\u8003\u3048\u308b\u3068\uff0c$\\vec{f_1}+\\vec{f_2}+\\vec{\\it{F\\mskip 1mu\\prime }}=\\vec{0}$ \u3067\u3059\u3002<\/p>\n\n\n\n
\u3053\u308c\u3092\u5c11\u3057\u5909\u5f62\u3059\u308b\u3068\uff0c<\/p>\n\n\n\n
$$\\vec{f_1}+\\vec{f_2}=-\\vec{\\it{F\\mskip 1mu\\prime }}$$\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u3053\u306e\u5f0f\u306e\u610f\u5473\u3059\u308b\u3068\u3053\u308d\u306f\uff0c\u300c$\\vec{f_1}$ \u3068 $\\vec{f_2}$ \u3092\u8db3\u3059\u3068\uff0c$-\\vec{\\it{F\\mskip 1mu\\prime }}$ \u306b\u306a\u308b\u300d\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u3064\u307e\u308a\uff01\u3053\u306e $-\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3068\u3044\u3046\u30d9\u30af\u30c8\u30eb\u3053\u305d\u304c\u307e\u3055\u306b\u4eca\u56de\u6c42\u3081\u305f\u304b\u3063\u305f\u5408\u529b\u306e\u30d9\u30af\u30c8\u30eb $\\vec{F}$ \u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n\u5927\u304d\u3055\u306f $\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3068\u540c\u3058\u304f $f_1+f_2$\uff0c\u4f5c\u7528\u70b9\u306f $\\rmO$ \u3067\u3059\u306d\uff01<\/p>\n\n\n\n<\/div>\n\n\n\n\u306a\u304a\uff0c\u3053\u306e $\\rmO$ \u70b9\u306f\uff0c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=f_1:f_2$ \u306b\u5185\u5206\u3059\u308b\u70b9\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306e\u5185\u5206\u70b9\u300d\u3068\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<\/i>\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210<\/p>\n\u5e73\u884c\u306a2\u529b\u306e\u5408\u529b\u306f\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5185\u5206\u3059\u308b\u70b9\u300d\u3092\u4f5c\u7528\u70b9\u3068\u8003\u3048\u308b\u3002\u5411\u304d\u306f2\u529b\u3068\u7b49\u3057\u304f\uff0c\u5927\u304d\u3055\u306f2\u529b\u306e\u548c\u3068\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5408\u6210<\/h2>\n\n\n\n\u540c\u69d8\u306b\u8003\u3048\u308b\uff01<\/h3>\n\n\n\n\u5408\u6210\u3059\u308b\u5e73\u884c\u306a2\u529b $\\vec{f_1}$ \u3068 $\\vec{f_2}$ \u304c\u4e92\u3044\u306b\u9006\u5411\u304d\u306e\u5834\u5408\u3082\u8003\u3048\u65b9\u306f\u540c\u69d8\u3067\u3059\u3002<\/p>\n\n\n\n\u3053\u3053\u3067\u306f $f_1>f_2$ \u3067\u3042\u308b\u3082\u306e\u3068\u3057\uff0c\u68d2\u304c\u9759\u6b62\u3067\u304d\u308b\u3088\u3046\u306b\uff0c\u529b $\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u529b\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$F\\mskip 1mu\\prime +f_2=f_1\\qquad\\therefore \\quad F\\mskip 1mu\\prime =f_1-f_2$$\u304c\uff0c$\\rmO$ \u70b9\u307e\u308f\u308a\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$f_1l_2=f_2l_1\\qquad\\therefore \\quad l_1:l_2=f_2:f_1$$\u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n\u3053\u3061\u3089\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u3064\u308a\u5408\u3044\u306e\u5f0f\u306f2\u529b\u304c\u540c\u3058\u5411\u304d\u306e\u5834\u5408\u3068\u540c\u69d8\u3067\u3059\u304c\uff0c$\\rmO$ \u304c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1$ \u306b\u5916\u5206\u3059\u308b\u70b9\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n\u5f0f\u306e\u5909\u5f62\u3068\u89e3\u91c8<\/h3>\n\n\n\n\u5411\u304d\u3082\u542b\u3080\u30d9\u30af\u30c8\u30eb\u8868\u8a18\u3067\u529b\u306e\u3064\u308a\u5408\u3044\u3092\u8003\u3048\u308b\u3068\uff0c<\/p>\n\n\n\n$$\\vec{\\it{F\\mskip 1mu\\prime }}+\\vec{f_1}+\\vec{f_2}=\\vec{0}\\qquad\\therefore \\quad \\vec{f_1}+\\vec{f_2}=-\\vec{\\it{F\\mskip 1mu\\prime }}$$\u3067\u3059\u306e\u3067\uff0c\u3084\u306f\u308a $-\\vec{\\it{F\\mskip 1mu\\prime }}$ \u304c\u6c42\u3081\u308b\u5408\u529b\u306e\u30d9\u30af\u30c8\u30eb $\\vec{F}$ \u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u5411\u304d\u306f $\\vec{f_1}$ \u3068\u540c\u3058\uff0c\u5927\u304d\u3055\u306f $f_1-f_2$ \u3067\u3059\u3002\u4f5c\u7528\u70b9 $\\rmO$ \u306f\uff0c\u7dda\u5206 $\\rmA\\rmB$ \u3092\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4 $f_2:f_1$ \u3067\u5916\u5206\u3057\u305f\u70b9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\u306a\u304a\uff0c$\\vec{f_2}<\\vec{f_1}$ \u306e\u5834\u5408\u3082\u540c\u69d8\u306b\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<\/i>\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5408\u6210<\/p>\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306a2\u529b\u306e\u5408\u529b\u306f\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u3092\u4f5c\u7528\u70b9\u3068\u8003\u3048\u308b\u3002<\/p>\n\n\n\n\u5411\u304d\u306f\u5927\u304d\u3055\u304c\u5927\u304d\u3044\u65b9\u306e\u529b\u3068\u540c\u3058\u5411\u304d\u3067\u3042\u308a\uff0c\u5927\u304d\u3055\u306f2\u529b\u306e\u5dee\u3068\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<\/i><\/div>\n\u7d50\u5c40\u306f\uff0c\u300c\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u300d\u306b\u304a\u3044\u3066\uff0c$\\vec{f_1}\\to-\\vec{f_1}$ \u306b\u3057\u305f\u3082\u306e\u3092\u8003\u3048\u3066\u3044\u308b\u3060\u3051\u3067\u3042\u308b\u3002\u4f5c\u7528\u70b9\u306f\u300c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=(-f_1):f_2$ \u306b\u5185\u5206\u3059\u308b\u70b9\u300d\u3068\u306a\u308b\u304c\uff0c\u3053\u308c\u3092\u300c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=f_1:f_2$ \u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u3068\u3057\u3066\u8003\u3048\u308c\u3070\u3088\u3044\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u5076\u529b<\/h2>\n\n\n\n\u3088\u308a\u8907\u96d1\u306a\u72b6\u6cc1<\/h3>\n\n\n\n<\/noscript>\u7fbd\u767d<\/div><\/div>\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5927\u304d\u3055\u304c\u540c\u3058\u306b\u306a\u308b\u3068\u3069\u3046\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n\u529b\u306e\u5927\u304d\u3055\u306e\u6bd4\u304c $1:1$ \u3067\u3059\u306e\u3067\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002\u3088\u3063\u3066\uff0c\u529b\u306e\u5408\u6210\u306f\u3067\u304d\u307e\u305b\u3093\uff01\u3053\u306e\u3088\u3046\u306a2\u529b\u306e\u7d44\u3092\u5076\u529b<\/span>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8<\/h3>\n\n\n\n\u56f3\u306e\u72b6\u6cc1\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u68d2\u306b\u4f5c\u7528\u3059\u308b2\u529b\u306f\u5076\u529b\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u3053\u306e\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3059\u3002\u529b\u306e\u5927\u304d\u3055\u3092 $f$ \u3068\u3057\uff0c$\\rmA$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u308b\u3068\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u306d\u3002$\\rmB$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\u540c\u69d8\u306b\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u3002\u68d2\u306e\u4e2d\u5fc3\u70b9 $\\rmO$ \u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $2\\times\\Bun{fl}{2}=fl$ \u3067\u3059\u306d\u3002<\/p>\n\n\n\n<\/div>\n\n\n\n\u3053\u306e\u3088\u3046\u306b\uff0c\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\uff0c$fl$ \u306e\u5024\u3068\u306a\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u306a\u304a\uff0c2\u529b\u306f\u5e38\u306b\u300c\u529b\u306e\u3064\u308a\u5408\u3044\u300d\u3092\u6e80\u305f\u3059\u305f\u3081\uff0c\u7269\u4f53\u3092\u52a0\u901f\u3055\u305b\u308b\u4f5c\u7528\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<\/i>\u5076\u529b<\/p>\n\u525b\u4f53\u306b\u4f5c\u7528\u3057\uff0c\u4e92\u3044\u306b\u5927\u304d\u3055\u304c\u7b49\u3057\u304f\uff0c\u9006\u5411\u304d\u306e\u95a2\u4fc2\u3068\u306a\u308b2\u529b\u306e\u7d44\u306e\u3053\u3068\u3002\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u25b6 \u525b\u4f53\u30b7\u30ea\u30fc\u30ba\u306e\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u30fb\u8981\u70b9\u6574\u7406\u306f\u3053\u3061\u3089<\/strong><\/p>\n\n\n\n\u525b\u4f53\u306e\u307e\u3068\u3081\u3010\u5b66\u7fd2\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u3011<\/div>\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u30fb\u9759\u6b62\u6761\u4ef6\u30fb\u91cd\u5fc3\u30fb\u300c\u5012\u308c\u308b\u5012\u308c\u306a\u3044\u300d\u306e\u5224\u5b9a\u6cd5\u30921\u30da\u30fc\u30b8\u306b\u51dd\u7e2e\u3057\u305f\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u3067\u3059\u3002<\/div>\u8a73\u3057\u304f\u898b\u308b<\/a><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u304b\u3089\u5076\u529b\u307e\u3067\uff0c\u525b\u4f53\u306b\u50cd\u304f\u8907\u6570\u306e\u529b\u3092\u3072\u3068\u3064\u306b\u307e\u3068\u3081\u308b\u8003\u3048\u65b9\u3092\u6271\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":4831,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,39],"tags":[],"class_list":["post-4819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dynamics","category-39"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
\u3064\u307e\u308a\uff01\u3053\u306e $-\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3068\u3044\u3046\u30d9\u30af\u30c8\u30eb\u3053\u305d\u304c\u307e\u3055\u306b\u4eca\u56de\u6c42\u3081\u305f\u304b\u3063\u305f\u5408\u529b\u306e\u30d9\u30af\u30c8\u30eb $\\vec{F}$ \u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n
\u5927\u304d\u3055\u306f $\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3068\u540c\u3058\u304f $f_1+f_2$\uff0c\u4f5c\u7528\u70b9\u306f $\\rmO$ \u3067\u3059\u306d\uff01<\/p>\n\n\n\n
\u306a\u304a\uff0c\u3053\u306e $\\rmO$ \u70b9\u306f\uff0c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=f_1:f_2$ \u306b\u5185\u5206\u3059\u308b\u70b9\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306e\u5185\u5206\u70b9\u300d\u3068\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u306d\u3002<\/p>\n\n\n\n
<\/i>\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210<\/p>\n\u5e73\u884c\u306a2\u529b\u306e\u5408\u529b\u306f\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5185\u5206\u3059\u308b\u70b9\u300d\u3092\u4f5c\u7528\u70b9\u3068\u8003\u3048\u308b\u3002\u5411\u304d\u306f2\u529b\u3068\u7b49\u3057\u304f\uff0c\u5927\u304d\u3055\u306f2\u529b\u306e\u548c\u3068\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5408\u6210<\/h2>\n\n\n\n\u540c\u69d8\u306b\u8003\u3048\u308b\uff01<\/h3>\n\n\n\n\u5408\u6210\u3059\u308b\u5e73\u884c\u306a2\u529b $\\vec{f_1}$ \u3068 $\\vec{f_2}$ \u304c\u4e92\u3044\u306b\u9006\u5411\u304d\u306e\u5834\u5408\u3082\u8003\u3048\u65b9\u306f\u540c\u69d8\u3067\u3059\u3002<\/p>\n\n\n\n\u3053\u3053\u3067\u306f $f_1>f_2$ \u3067\u3042\u308b\u3082\u306e\u3068\u3057\uff0c\u68d2\u304c\u9759\u6b62\u3067\u304d\u308b\u3088\u3046\u306b\uff0c\u529b $\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u529b\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$F\\mskip 1mu\\prime +f_2=f_1\\qquad\\therefore \\quad F\\mskip 1mu\\prime =f_1-f_2$$\u304c\uff0c$\\rmO$ \u70b9\u307e\u308f\u308a\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$f_1l_2=f_2l_1\\qquad\\therefore \\quad l_1:l_2=f_2:f_1$$\u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n\u3053\u3061\u3089\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u3064\u308a\u5408\u3044\u306e\u5f0f\u306f2\u529b\u304c\u540c\u3058\u5411\u304d\u306e\u5834\u5408\u3068\u540c\u69d8\u3067\u3059\u304c\uff0c$\\rmO$ \u304c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1$ \u306b\u5916\u5206\u3059\u308b\u70b9\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n\u5f0f\u306e\u5909\u5f62\u3068\u89e3\u91c8<\/h3>\n\n\n\n\u5411\u304d\u3082\u542b\u3080\u30d9\u30af\u30c8\u30eb\u8868\u8a18\u3067\u529b\u306e\u3064\u308a\u5408\u3044\u3092\u8003\u3048\u308b\u3068\uff0c<\/p>\n\n\n\n$$\\vec{\\it{F\\mskip 1mu\\prime }}+\\vec{f_1}+\\vec{f_2}=\\vec{0}\\qquad\\therefore \\quad \\vec{f_1}+\\vec{f_2}=-\\vec{\\it{F\\mskip 1mu\\prime }}$$\u3067\u3059\u306e\u3067\uff0c\u3084\u306f\u308a $-\\vec{\\it{F\\mskip 1mu\\prime }}$ \u304c\u6c42\u3081\u308b\u5408\u529b\u306e\u30d9\u30af\u30c8\u30eb $\\vec{F}$ \u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u5411\u304d\u306f $\\vec{f_1}$ \u3068\u540c\u3058\uff0c\u5927\u304d\u3055\u306f $f_1-f_2$ \u3067\u3059\u3002\u4f5c\u7528\u70b9 $\\rmO$ \u306f\uff0c\u7dda\u5206 $\\rmA\\rmB$ \u3092\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4 $f_2:f_1$ \u3067\u5916\u5206\u3057\u305f\u70b9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\u306a\u304a\uff0c$\\vec{f_2}<\\vec{f_1}$ \u306e\u5834\u5408\u3082\u540c\u69d8\u306b\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<\/i>\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5408\u6210<\/p>\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306a2\u529b\u306e\u5408\u529b\u306f\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u3092\u4f5c\u7528\u70b9\u3068\u8003\u3048\u308b\u3002<\/p>\n\n\n\n\u5411\u304d\u306f\u5927\u304d\u3055\u304c\u5927\u304d\u3044\u65b9\u306e\u529b\u3068\u540c\u3058\u5411\u304d\u3067\u3042\u308a\uff0c\u5927\u304d\u3055\u306f2\u529b\u306e\u5dee\u3068\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<\/i><\/div>\n\u7d50\u5c40\u306f\uff0c\u300c\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u300d\u306b\u304a\u3044\u3066\uff0c$\\vec{f_1}\\to-\\vec{f_1}$ \u306b\u3057\u305f\u3082\u306e\u3092\u8003\u3048\u3066\u3044\u308b\u3060\u3051\u3067\u3042\u308b\u3002\u4f5c\u7528\u70b9\u306f\u300c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=(-f_1):f_2$ \u306b\u5185\u5206\u3059\u308b\u70b9\u300d\u3068\u306a\u308b\u304c\uff0c\u3053\u308c\u3092\u300c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=f_1:f_2$ \u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u3068\u3057\u3066\u8003\u3048\u308c\u3070\u3088\u3044\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u5076\u529b<\/h2>\n\n\n\n\u3088\u308a\u8907\u96d1\u306a\u72b6\u6cc1<\/h3>\n\n\n\n<\/noscript>\u7fbd\u767d<\/div><\/div>\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5927\u304d\u3055\u304c\u540c\u3058\u306b\u306a\u308b\u3068\u3069\u3046\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n\u529b\u306e\u5927\u304d\u3055\u306e\u6bd4\u304c $1:1$ \u3067\u3059\u306e\u3067\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002\u3088\u3063\u3066\uff0c\u529b\u306e\u5408\u6210\u306f\u3067\u304d\u307e\u305b\u3093\uff01\u3053\u306e\u3088\u3046\u306a2\u529b\u306e\u7d44\u3092\u5076\u529b<\/span>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8<\/h3>\n\n\n\n\u56f3\u306e\u72b6\u6cc1\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u68d2\u306b\u4f5c\u7528\u3059\u308b2\u529b\u306f\u5076\u529b\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u3053\u306e\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3059\u3002\u529b\u306e\u5927\u304d\u3055\u3092 $f$ \u3068\u3057\uff0c$\\rmA$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u308b\u3068\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u306d\u3002$\\rmB$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\u540c\u69d8\u306b\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u3002\u68d2\u306e\u4e2d\u5fc3\u70b9 $\\rmO$ \u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $2\\times\\Bun{fl}{2}=fl$ \u3067\u3059\u306d\u3002<\/p>\n\n\n\n<\/div>\n\n\n\n\u3053\u306e\u3088\u3046\u306b\uff0c\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\uff0c$fl$ \u306e\u5024\u3068\u306a\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u306a\u304a\uff0c2\u529b\u306f\u5e38\u306b\u300c\u529b\u306e\u3064\u308a\u5408\u3044\u300d\u3092\u6e80\u305f\u3059\u305f\u3081\uff0c\u7269\u4f53\u3092\u52a0\u901f\u3055\u305b\u308b\u4f5c\u7528\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<\/i>\u5076\u529b<\/p>\n\u525b\u4f53\u306b\u4f5c\u7528\u3057\uff0c\u4e92\u3044\u306b\u5927\u304d\u3055\u304c\u7b49\u3057\u304f\uff0c\u9006\u5411\u304d\u306e\u95a2\u4fc2\u3068\u306a\u308b2\u529b\u306e\u7d44\u306e\u3053\u3068\u3002\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u25b6 \u525b\u4f53\u30b7\u30ea\u30fc\u30ba\u306e\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u30fb\u8981\u70b9\u6574\u7406\u306f\u3053\u3061\u3089<\/strong><\/p>\n\n\n\n\u525b\u4f53\u306e\u307e\u3068\u3081\u3010\u5b66\u7fd2\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u3011<\/div>\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u30fb\u9759\u6b62\u6761\u4ef6\u30fb\u91cd\u5fc3\u30fb\u300c\u5012\u308c\u308b\u5012\u308c\u306a\u3044\u300d\u306e\u5224\u5b9a\u6cd5\u30921\u30da\u30fc\u30b8\u306b\u51dd\u7e2e\u3057\u305f\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u3067\u3059\u3002<\/div>\u8a73\u3057\u304f\u898b\u308b<\/a><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u304b\u3089\u5076\u529b\u307e\u3067\uff0c\u525b\u4f53\u306b\u50cd\u304f\u8907\u6570\u306e\u529b\u3092\u3072\u3068\u3064\u306b\u307e\u3068\u3081\u308b\u8003\u3048\u65b9\u3092\u6271\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":4831,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,39],"tags":[],"class_list":["post-4819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dynamics","category-39"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
\u5e73\u884c\u306a2\u529b\u306e\u5408\u529b\u306f\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5185\u5206\u3059\u308b\u70b9\u300d\u3092\u4f5c\u7528\u70b9\u3068\u8003\u3048\u308b\u3002\u5411\u304d\u306f2\u529b\u3068\u7b49\u3057\u304f\uff0c\u5927\u304d\u3055\u306f2\u529b\u306e\u548c\u3068\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n
\u5408\u6210\u3059\u308b\u5e73\u884c\u306a2\u529b $\\vec{f_1}$ \u3068 $\\vec{f_2}$ \u304c\u4e92\u3044\u306b\u9006\u5411\u304d\u306e\u5834\u5408\u3082\u8003\u3048\u65b9\u306f\u540c\u69d8\u3067\u3059\u3002<\/p>\n\n\n\n
\u3053\u3053\u3067\u306f $f_1>f_2$ \u3067\u3042\u308b\u3082\u306e\u3068\u3057\uff0c\u68d2\u304c\u9759\u6b62\u3067\u304d\u308b\u3088\u3046\u306b\uff0c\u529b $\\vec{\\it{F\\mskip 1mu\\prime }}$ \u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u529b\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$F\\mskip 1mu\\prime +f_2=f_1\\qquad\\therefore \\quad F\\mskip 1mu\\prime =f_1-f_2$$\u304c\uff0c$\\rmO$ \u70b9\u307e\u308f\u308a\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$f_1l_2=f_2l_1\\qquad\\therefore \\quad l_1:l_2=f_2:f_1$$\u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n\u3053\u3061\u3089\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u3064\u308a\u5408\u3044\u306e\u5f0f\u306f2\u529b\u304c\u540c\u3058\u5411\u304d\u306e\u5834\u5408\u3068\u540c\u69d8\u3067\u3059\u304c\uff0c$\\rmO$ \u304c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1$ \u306b\u5916\u5206\u3059\u308b\u70b9\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n\u5f0f\u306e\u5909\u5f62\u3068\u89e3\u91c8<\/h3>\n\n\n\n\u5411\u304d\u3082\u542b\u3080\u30d9\u30af\u30c8\u30eb\u8868\u8a18\u3067\u529b\u306e\u3064\u308a\u5408\u3044\u3092\u8003\u3048\u308b\u3068\uff0c<\/p>\n\n\n\n$$\\vec{\\it{F\\mskip 1mu\\prime }}+\\vec{f_1}+\\vec{f_2}=\\vec{0}\\qquad\\therefore \\quad \\vec{f_1}+\\vec{f_2}=-\\vec{\\it{F\\mskip 1mu\\prime }}$$\u3067\u3059\u306e\u3067\uff0c\u3084\u306f\u308a $-\\vec{\\it{F\\mskip 1mu\\prime }}$ \u304c\u6c42\u3081\u308b\u5408\u529b\u306e\u30d9\u30af\u30c8\u30eb $\\vec{F}$ \u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u5411\u304d\u306f $\\vec{f_1}$ \u3068\u540c\u3058\uff0c\u5927\u304d\u3055\u306f $f_1-f_2$ \u3067\u3059\u3002\u4f5c\u7528\u70b9 $\\rmO$ \u306f\uff0c\u7dda\u5206 $\\rmA\\rmB$ \u3092\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4 $f_2:f_1$ \u3067\u5916\u5206\u3057\u305f\u70b9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\u306a\u304a\uff0c$\\vec{f_2}<\\vec{f_1}$ \u306e\u5834\u5408\u3082\u540c\u69d8\u306b\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<\/i>\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5408\u6210<\/p>\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306a2\u529b\u306e\u5408\u529b\u306f\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u3092\u4f5c\u7528\u70b9\u3068\u8003\u3048\u308b\u3002<\/p>\n\n\n\n\u5411\u304d\u306f\u5927\u304d\u3055\u304c\u5927\u304d\u3044\u65b9\u306e\u529b\u3068\u540c\u3058\u5411\u304d\u3067\u3042\u308a\uff0c\u5927\u304d\u3055\u306f2\u529b\u306e\u5dee\u3068\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<\/i><\/div>\n\u7d50\u5c40\u306f\uff0c\u300c\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u300d\u306b\u304a\u3044\u3066\uff0c$\\vec{f_1}\\to-\\vec{f_1}$ \u306b\u3057\u305f\u3082\u306e\u3092\u8003\u3048\u3066\u3044\u308b\u3060\u3051\u3067\u3042\u308b\u3002\u4f5c\u7528\u70b9\u306f\u300c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=(-f_1):f_2$ \u306b\u5185\u5206\u3059\u308b\u70b9\u300d\u3068\u306a\u308b\u304c\uff0c\u3053\u308c\u3092\u300c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=f_1:f_2$ \u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u3068\u3057\u3066\u8003\u3048\u308c\u3070\u3088\u3044\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u5076\u529b<\/h2>\n\n\n\n\u3088\u308a\u8907\u96d1\u306a\u72b6\u6cc1<\/h3>\n\n\n\n<\/noscript>\u7fbd\u767d<\/div><\/div>\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5927\u304d\u3055\u304c\u540c\u3058\u306b\u306a\u308b\u3068\u3069\u3046\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n\u529b\u306e\u5927\u304d\u3055\u306e\u6bd4\u304c $1:1$ \u3067\u3059\u306e\u3067\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002\u3088\u3063\u3066\uff0c\u529b\u306e\u5408\u6210\u306f\u3067\u304d\u307e\u305b\u3093\uff01\u3053\u306e\u3088\u3046\u306a2\u529b\u306e\u7d44\u3092\u5076\u529b<\/span>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8<\/h3>\n\n\n\n\u56f3\u306e\u72b6\u6cc1\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u68d2\u306b\u4f5c\u7528\u3059\u308b2\u529b\u306f\u5076\u529b\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u3053\u306e\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3059\u3002\u529b\u306e\u5927\u304d\u3055\u3092 $f$ \u3068\u3057\uff0c$\\rmA$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u308b\u3068\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u306d\u3002$\\rmB$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\u540c\u69d8\u306b\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u3002\u68d2\u306e\u4e2d\u5fc3\u70b9 $\\rmO$ \u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $2\\times\\Bun{fl}{2}=fl$ \u3067\u3059\u306d\u3002<\/p>\n\n\n\n<\/div>\n\n\n\n\u3053\u306e\u3088\u3046\u306b\uff0c\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\uff0c$fl$ \u306e\u5024\u3068\u306a\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u306a\u304a\uff0c2\u529b\u306f\u5e38\u306b\u300c\u529b\u306e\u3064\u308a\u5408\u3044\u300d\u3092\u6e80\u305f\u3059\u305f\u3081\uff0c\u7269\u4f53\u3092\u52a0\u901f\u3055\u305b\u308b\u4f5c\u7528\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<\/i>\u5076\u529b<\/p>\n\u525b\u4f53\u306b\u4f5c\u7528\u3057\uff0c\u4e92\u3044\u306b\u5927\u304d\u3055\u304c\u7b49\u3057\u304f\uff0c\u9006\u5411\u304d\u306e\u95a2\u4fc2\u3068\u306a\u308b2\u529b\u306e\u7d44\u306e\u3053\u3068\u3002\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u25b6 \u525b\u4f53\u30b7\u30ea\u30fc\u30ba\u306e\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u30fb\u8981\u70b9\u6574\u7406\u306f\u3053\u3061\u3089<\/strong><\/p>\n\n\n\n\u525b\u4f53\u306e\u307e\u3068\u3081\u3010\u5b66\u7fd2\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u3011<\/div>\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u30fb\u9759\u6b62\u6761\u4ef6\u30fb\u91cd\u5fc3\u30fb\u300c\u5012\u308c\u308b\u5012\u308c\u306a\u3044\u300d\u306e\u5224\u5b9a\u6cd5\u30921\u30da\u30fc\u30b8\u306b\u51dd\u7e2e\u3057\u305f\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u3067\u3059\u3002<\/div>\u8a73\u3057\u304f\u898b\u308b<\/a><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u304b\u3089\u5076\u529b\u307e\u3067\uff0c\u525b\u4f53\u306b\u50cd\u304f\u8907\u6570\u306e\u529b\u3092\u3072\u3068\u3064\u306b\u307e\u3068\u3081\u308b\u8003\u3048\u65b9\u3092\u6271\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":4831,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,39],"tags":[],"class_list":["post-4819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dynamics","category-39"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
$$F\\mskip 1mu\\prime +f_2=f_1\\qquad\\therefore \\quad F\\mskip 1mu\\prime =f_1-f_2$$\u304c\uff0c$\\rmO$ \u70b9\u307e\u308f\u308a\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n
$$f_1l_2=f_2l_1\\qquad\\therefore \\quad l_1:l_2=f_2:f_1$$\u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n
\u3053\u3061\u3089\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u3064\u308a\u5408\u3044\u306e\u5f0f\u306f2\u529b\u304c\u540c\u3058\u5411\u304d\u306e\u5834\u5408\u3068\u540c\u69d8\u3067\u3059\u304c\uff0c$\\rmO$ \u304c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1$ \u306b\u5916\u5206\u3059\u308b\u70b9\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\u5411\u304d\u3082\u542b\u3080\u30d9\u30af\u30c8\u30eb\u8868\u8a18\u3067\u529b\u306e\u3064\u308a\u5408\u3044\u3092\u8003\u3048\u308b\u3068\uff0c<\/p>\n\n\n\n
$$\\vec{\\it{F\\mskip 1mu\\prime }}+\\vec{f_1}+\\vec{f_2}=\\vec{0}\\qquad\\therefore \\quad \\vec{f_1}+\\vec{f_2}=-\\vec{\\it{F\\mskip 1mu\\prime }}$$\u3067\u3059\u306e\u3067\uff0c\u3084\u306f\u308a $-\\vec{\\it{F\\mskip 1mu\\prime }}$ \u304c\u6c42\u3081\u308b\u5408\u529b\u306e\u30d9\u30af\u30c8\u30eb $\\vec{F}$ \u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u5411\u304d\u306f $\\vec{f_1}$ \u3068\u540c\u3058\uff0c\u5927\u304d\u3055\u306f $f_1-f_2$ \u3067\u3059\u3002\u4f5c\u7528\u70b9 $\\rmO$ \u306f\uff0c\u7dda\u5206 $\\rmA\\rmB$ \u3092\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4 $f_2:f_1$ \u3067\u5916\u5206\u3057\u305f\u70b9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\u306a\u304a\uff0c$\\vec{f_2}<\\vec{f_1}$ \u306e\u5834\u5408\u3082\u540c\u69d8\u306b\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<\/i>\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5408\u6210<\/p>\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306a2\u529b\u306e\u5408\u529b\u306f\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u3092\u4f5c\u7528\u70b9\u3068\u8003\u3048\u308b\u3002<\/p>\n\n\n\n\u5411\u304d\u306f\u5927\u304d\u3055\u304c\u5927\u304d\u3044\u65b9\u306e\u529b\u3068\u540c\u3058\u5411\u304d\u3067\u3042\u308a\uff0c\u5927\u304d\u3055\u306f2\u529b\u306e\u5dee\u3068\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<\/i><\/div>\n\u7d50\u5c40\u306f\uff0c\u300c\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u300d\u306b\u304a\u3044\u3066\uff0c$\\vec{f_1}\\to-\\vec{f_1}$ \u306b\u3057\u305f\u3082\u306e\u3092\u8003\u3048\u3066\u3044\u308b\u3060\u3051\u3067\u3042\u308b\u3002\u4f5c\u7528\u70b9\u306f\u300c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=(-f_1):f_2$ \u306b\u5185\u5206\u3059\u308b\u70b9\u300d\u3068\u306a\u308b\u304c\uff0c\u3053\u308c\u3092\u300c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=f_1:f_2$ \u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u3068\u3057\u3066\u8003\u3048\u308c\u3070\u3088\u3044\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u5076\u529b<\/h2>\n\n\n\n\u3088\u308a\u8907\u96d1\u306a\u72b6\u6cc1<\/h3>\n\n\n\n<\/noscript>\u7fbd\u767d<\/div><\/div>\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5927\u304d\u3055\u304c\u540c\u3058\u306b\u306a\u308b\u3068\u3069\u3046\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n\u529b\u306e\u5927\u304d\u3055\u306e\u6bd4\u304c $1:1$ \u3067\u3059\u306e\u3067\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002\u3088\u3063\u3066\uff0c\u529b\u306e\u5408\u6210\u306f\u3067\u304d\u307e\u305b\u3093\uff01\u3053\u306e\u3088\u3046\u306a2\u529b\u306e\u7d44\u3092\u5076\u529b<\/span>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8<\/h3>\n\n\n\n\u56f3\u306e\u72b6\u6cc1\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u68d2\u306b\u4f5c\u7528\u3059\u308b2\u529b\u306f\u5076\u529b\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u3053\u306e\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3059\u3002\u529b\u306e\u5927\u304d\u3055\u3092 $f$ \u3068\u3057\uff0c$\\rmA$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u308b\u3068\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u306d\u3002$\\rmB$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\u540c\u69d8\u306b\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u3002\u68d2\u306e\u4e2d\u5fc3\u70b9 $\\rmO$ \u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $2\\times\\Bun{fl}{2}=fl$ \u3067\u3059\u306d\u3002<\/p>\n\n\n\n<\/div>\n\n\n\n\u3053\u306e\u3088\u3046\u306b\uff0c\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\uff0c$fl$ \u306e\u5024\u3068\u306a\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u306a\u304a\uff0c2\u529b\u306f\u5e38\u306b\u300c\u529b\u306e\u3064\u308a\u5408\u3044\u300d\u3092\u6e80\u305f\u3059\u305f\u3081\uff0c\u7269\u4f53\u3092\u52a0\u901f\u3055\u305b\u308b\u4f5c\u7528\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<\/i>\u5076\u529b<\/p>\n\u525b\u4f53\u306b\u4f5c\u7528\u3057\uff0c\u4e92\u3044\u306b\u5927\u304d\u3055\u304c\u7b49\u3057\u304f\uff0c\u9006\u5411\u304d\u306e\u95a2\u4fc2\u3068\u306a\u308b2\u529b\u306e\u7d44\u306e\u3053\u3068\u3002\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u25b6 \u525b\u4f53\u30b7\u30ea\u30fc\u30ba\u306e\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u30fb\u8981\u70b9\u6574\u7406\u306f\u3053\u3061\u3089<\/strong><\/p>\n\n\n\n\u525b\u4f53\u306e\u307e\u3068\u3081\u3010\u5b66\u7fd2\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u3011<\/div>\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u30fb\u9759\u6b62\u6761\u4ef6\u30fb\u91cd\u5fc3\u30fb\u300c\u5012\u308c\u308b\u5012\u308c\u306a\u3044\u300d\u306e\u5224\u5b9a\u6cd5\u30921\u30da\u30fc\u30b8\u306b\u51dd\u7e2e\u3057\u305f\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u3067\u3059\u3002<\/div>\u8a73\u3057\u304f\u898b\u308b<\/a><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u304b\u3089\u5076\u529b\u307e\u3067\uff0c\u525b\u4f53\u306b\u50cd\u304f\u8907\u6570\u306e\u529b\u3092\u3072\u3068\u3064\u306b\u307e\u3068\u3081\u308b\u8003\u3048\u65b9\u3092\u6271\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":4831,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,39],"tags":[],"class_list":["post-4819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dynamics","category-39"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
\u5411\u304d\u306f $\\vec{f_1}$ \u3068\u540c\u3058\uff0c\u5927\u304d\u3055\u306f $f_1-f_2$ \u3067\u3059\u3002\u4f5c\u7528\u70b9 $\\rmO$ \u306f\uff0c\u7dda\u5206 $\\rmA\\rmB$ \u3092\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4 $f_2:f_1$ \u3067\u5916\u5206\u3057\u305f\u70b9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u306a\u304a\uff0c$\\vec{f_2}<\\vec{f_1}$ \u306e\u5834\u5408\u3082\u540c\u69d8\u306b\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
<\/i>\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5408\u6210<\/p>\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306a2\u529b\u306e\u5408\u529b\u306f\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u3092\u4f5c\u7528\u70b9\u3068\u8003\u3048\u308b\u3002<\/p>\n\n\n\n\u5411\u304d\u306f\u5927\u304d\u3055\u304c\u5927\u304d\u3044\u65b9\u306e\u529b\u3068\u540c\u3058\u5411\u304d\u3067\u3042\u308a\uff0c\u5927\u304d\u3055\u306f2\u529b\u306e\u5dee\u3068\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<\/i><\/div>\n\u7d50\u5c40\u306f\uff0c\u300c\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u300d\u306b\u304a\u3044\u3066\uff0c$\\vec{f_1}\\to-\\vec{f_1}$ \u306b\u3057\u305f\u3082\u306e\u3092\u8003\u3048\u3066\u3044\u308b\u3060\u3051\u3067\u3042\u308b\u3002\u4f5c\u7528\u70b9\u306f\u300c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=(-f_1):f_2$ \u306b\u5185\u5206\u3059\u308b\u70b9\u300d\u3068\u306a\u308b\u304c\uff0c\u3053\u308c\u3092\u300c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=f_1:f_2$ \u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u3068\u3057\u3066\u8003\u3048\u308c\u3070\u3088\u3044\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u5076\u529b<\/h2>\n\n\n\n\u3088\u308a\u8907\u96d1\u306a\u72b6\u6cc1<\/h3>\n\n\n\n<\/noscript>\u7fbd\u767d<\/div><\/div>\n\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5927\u304d\u3055\u304c\u540c\u3058\u306b\u306a\u308b\u3068\u3069\u3046\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n\u529b\u306e\u5927\u304d\u3055\u306e\u6bd4\u304c $1:1$ \u3067\u3059\u306e\u3067\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002\u3088\u3063\u3066\uff0c\u529b\u306e\u5408\u6210\u306f\u3067\u304d\u307e\u305b\u3093\uff01\u3053\u306e\u3088\u3046\u306a2\u529b\u306e\u7d44\u3092\u5076\u529b<\/span>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8<\/h3>\n\n\n\n\u56f3\u306e\u72b6\u6cc1\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u68d2\u306b\u4f5c\u7528\u3059\u308b2\u529b\u306f\u5076\u529b\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u3053\u306e\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3059\u3002\u529b\u306e\u5927\u304d\u3055\u3092 $f$ \u3068\u3057\uff0c$\\rmA$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u308b\u3068\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u306d\u3002$\\rmB$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\u540c\u69d8\u306b\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u3002\u68d2\u306e\u4e2d\u5fc3\u70b9 $\\rmO$ \u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $2\\times\\Bun{fl}{2}=fl$ \u3067\u3059\u306d\u3002<\/p>\n\n\n\n<\/div>\n\n\n\n\u3053\u306e\u3088\u3046\u306b\uff0c\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\uff0c$fl$ \u306e\u5024\u3068\u306a\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u306a\u304a\uff0c2\u529b\u306f\u5e38\u306b\u300c\u529b\u306e\u3064\u308a\u5408\u3044\u300d\u3092\u6e80\u305f\u3059\u305f\u3081\uff0c\u7269\u4f53\u3092\u52a0\u901f\u3055\u305b\u308b\u4f5c\u7528\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<\/i>\u5076\u529b<\/p>\n\u525b\u4f53\u306b\u4f5c\u7528\u3057\uff0c\u4e92\u3044\u306b\u5927\u304d\u3055\u304c\u7b49\u3057\u304f\uff0c\u9006\u5411\u304d\u306e\u95a2\u4fc2\u3068\u306a\u308b2\u529b\u306e\u7d44\u306e\u3053\u3068\u3002\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u25b6 \u525b\u4f53\u30b7\u30ea\u30fc\u30ba\u306e\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u30fb\u8981\u70b9\u6574\u7406\u306f\u3053\u3061\u3089<\/strong><\/p>\n\n\n\n\u525b\u4f53\u306e\u307e\u3068\u3081\u3010\u5b66\u7fd2\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u3011<\/div>\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u30fb\u9759\u6b62\u6761\u4ef6\u30fb\u91cd\u5fc3\u30fb\u300c\u5012\u308c\u308b\u5012\u308c\u306a\u3044\u300d\u306e\u5224\u5b9a\u6cd5\u30921\u30da\u30fc\u30b8\u306b\u51dd\u7e2e\u3057\u305f\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u3067\u3059\u3002<\/div>\u8a73\u3057\u304f\u898b\u308b<\/a><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u304b\u3089\u5076\u529b\u307e\u3067\uff0c\u525b\u4f53\u306b\u50cd\u304f\u8907\u6570\u306e\u529b\u3092\u3072\u3068\u3064\u306b\u307e\u3068\u3081\u308b\u8003\u3048\u65b9\u3092\u6271\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":4831,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,39],"tags":[],"class_list":["post-4819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dynamics","category-39"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
\u5e73\u884c\u3067\u9006\u5411\u304d\u306a2\u529b\u306e\u5408\u529b\u306f\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u3092\u4f5c\u7528\u70b9\u3068\u8003\u3048\u308b\u3002<\/p>\n\n\n\n
\u5411\u304d\u306f\u5927\u304d\u3055\u304c\u5927\u304d\u3044\u65b9\u306e\u529b\u3068\u540c\u3058\u5411\u304d\u3067\u3042\u308a\uff0c\u5927\u304d\u3055\u306f2\u529b\u306e\u5dee\u3068\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n
\u7d50\u5c40\u306f\uff0c\u300c\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u300d\u306b\u304a\u3044\u3066\uff0c$\\vec{f_1}\\to-\\vec{f_1}$ \u306b\u3057\u305f\u3082\u306e\u3092\u8003\u3048\u3066\u3044\u308b\u3060\u3051\u3067\u3042\u308b\u3002\u4f5c\u7528\u70b9\u306f\u300c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=(-f_1):f_2$ \u306b\u5185\u5206\u3059\u308b\u70b9\u300d\u3068\u306a\u308b\u304c\uff0c\u3053\u308c\u3092\u300c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $l_2:l_1=f_1:f_2$ \u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u3068\u3057\u3066\u8003\u3048\u308c\u3070\u3088\u3044\u3002<\/p>\n<\/div><\/div>\n\n\n\n
\u5e73\u884c\u3067\u9006\u5411\u304d\u306e2\u529b\u306e\u5927\u304d\u3055\u304c\u540c\u3058\u306b\u306a\u308b\u3068\u3069\u3046\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n
\u529b\u306e\u5927\u304d\u3055\u306e\u6bd4\u304c $1:1$ \u3067\u3059\u306e\u3067\uff0c2\u529b\u306e\u4f5c\u7528\u70b9\u3092\u7d50\u3076\u7dda\u5206\u3092\u300c\u529b\u306e\u5927\u304d\u3055\u306e\u9006\u6bd4\u306b\u5916\u5206\u3059\u308b\u70b9\u300d\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002\u3088\u3063\u3066\uff0c\u529b\u306e\u5408\u6210\u306f\u3067\u304d\u307e\u305b\u3093\uff01\u3053\u306e\u3088\u3046\u306a2\u529b\u306e\u7d44\u3092\u5076\u529b<\/span>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8<\/h3>\n\n\n\n\u56f3\u306e\u72b6\u6cc1\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u68d2\u306b\u4f5c\u7528\u3059\u308b2\u529b\u306f\u5076\u529b\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u3053\u306e\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3059\u3002\u529b\u306e\u5927\u304d\u3055\u3092 $f$ \u3068\u3057\uff0c$\\rmA$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u308b\u3068\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u306d\u3002$\\rmB$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\u540c\u69d8\u306b\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u3002\u68d2\u306e\u4e2d\u5fc3\u70b9 $\\rmO$ \u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $2\\times\\Bun{fl}{2}=fl$ \u3067\u3059\u306d\u3002<\/p>\n\n\n\n<\/div>\n\n\n\n\u3053\u306e\u3088\u3046\u306b\uff0c\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\uff0c$fl$ \u306e\u5024\u3068\u306a\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u306a\u304a\uff0c2\u529b\u306f\u5e38\u306b\u300c\u529b\u306e\u3064\u308a\u5408\u3044\u300d\u3092\u6e80\u305f\u3059\u305f\u3081\uff0c\u7269\u4f53\u3092\u52a0\u901f\u3055\u305b\u308b\u4f5c\u7528\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<\/i>\u5076\u529b<\/p>\n\u525b\u4f53\u306b\u4f5c\u7528\u3057\uff0c\u4e92\u3044\u306b\u5927\u304d\u3055\u304c\u7b49\u3057\u304f\uff0c\u9006\u5411\u304d\u306e\u95a2\u4fc2\u3068\u306a\u308b2\u529b\u306e\u7d44\u306e\u3053\u3068\u3002\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u25b6 \u525b\u4f53\u30b7\u30ea\u30fc\u30ba\u306e\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u30fb\u8981\u70b9\u6574\u7406\u306f\u3053\u3061\u3089<\/strong><\/p>\n\n\n\n\u525b\u4f53\u306e\u307e\u3068\u3081\u3010\u5b66\u7fd2\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u3011<\/div>\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u30fb\u9759\u6b62\u6761\u4ef6\u30fb\u91cd\u5fc3\u30fb\u300c\u5012\u308c\u308b\u5012\u308c\u306a\u3044\u300d\u306e\u5224\u5b9a\u6cd5\u30921\u30da\u30fc\u30b8\u306b\u51dd\u7e2e\u3057\u305f\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u3067\u3059\u3002<\/div>\u8a73\u3057\u304f\u898b\u308b<\/a><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u304b\u3089\u5076\u529b\u307e\u3067\uff0c\u525b\u4f53\u306b\u50cd\u304f\u8907\u6570\u306e\u529b\u3092\u3072\u3068\u3064\u306b\u307e\u3068\u3081\u308b\u8003\u3048\u65b9\u3092\u6271\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":4831,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,39],"tags":[],"class_list":["post-4819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dynamics","category-39"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
\u56f3\u306e\u72b6\u6cc1\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u68d2\u306b\u4f5c\u7528\u3059\u308b2\u529b\u306f\u5076\u529b\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u3053\u306e\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3059\u3002\u529b\u306e\u5927\u304d\u3055\u3092 $f$ \u3068\u3057\uff0c$\\rmA$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u308b\u3068\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u306d\u3002$\\rmB$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\u540c\u69d8\u306b\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u3002\u68d2\u306e\u4e2d\u5fc3\u70b9 $\\rmO$ \u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $2\\times\\Bun{fl}{2}=fl$ \u3067\u3059\u306d\u3002<\/p>\n\n\n\n<\/div>\n\n\n\n\u3053\u306e\u3088\u3046\u306b\uff0c\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\uff0c$fl$ \u306e\u5024\u3068\u306a\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u306a\u304a\uff0c2\u529b\u306f\u5e38\u306b\u300c\u529b\u306e\u3064\u308a\u5408\u3044\u300d\u3092\u6e80\u305f\u3059\u305f\u3081\uff0c\u7269\u4f53\u3092\u52a0\u901f\u3055\u305b\u308b\u4f5c\u7528\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<\/i>\u5076\u529b<\/p>\n\u525b\u4f53\u306b\u4f5c\u7528\u3057\uff0c\u4e92\u3044\u306b\u5927\u304d\u3055\u304c\u7b49\u3057\u304f\uff0c\u9006\u5411\u304d\u306e\u95a2\u4fc2\u3068\u306a\u308b2\u529b\u306e\u7d44\u306e\u3053\u3068\u3002\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u25b6 \u525b\u4f53\u30b7\u30ea\u30fc\u30ba\u306e\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u30fb\u8981\u70b9\u6574\u7406\u306f\u3053\u3061\u3089<\/strong><\/p>\n\n\n\n\u525b\u4f53\u306e\u307e\u3068\u3081\u3010\u5b66\u7fd2\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u3011<\/div>\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u30fb\u9759\u6b62\u6761\u4ef6\u30fb\u91cd\u5fc3\u30fb\u300c\u5012\u308c\u308b\u5012\u308c\u306a\u3044\u300d\u306e\u5224\u5b9a\u6cd5\u30921\u30da\u30fc\u30b8\u306b\u51dd\u7e2e\u3057\u305f\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u3067\u3059\u3002<\/div>\u8a73\u3057\u304f\u898b\u308b<\/a><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u304b\u3089\u5076\u529b\u307e\u3067\uff0c\u525b\u4f53\u306b\u50cd\u304f\u8907\u6570\u306e\u529b\u3092\u3072\u3068\u3064\u306b\u307e\u3068\u3081\u308b\u8003\u3048\u65b9\u3092\u6271\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":4831,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,39],"tags":[],"class_list":["post-4819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dynamics","category-39"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
\u3053\u306e\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3059\u3002\u529b\u306e\u5927\u304d\u3055\u3092 $f$ \u3068\u3057\uff0c$\\rmA$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u308b\u3068\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u306d\u3002$\\rmB$ \u70b9\u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\u540c\u69d8\u306b\u53cd\u6642\u8a08\u56de\u308a\u306b $fl$ \u3067\u3059\u3002\u68d2\u306e\u4e2d\u5fc3\u70b9 $\\rmO$ \u307e\u308f\u308a\u3067\u8003\u3048\u3066\u3082\uff0c\u53cd\u6642\u8a08\u56de\u308a\u306b $2\\times\\Bun{fl}{2}=fl$ \u3067\u3059\u306d\u3002<\/p>\n\n\n\n
\u3053\u306e\u3088\u3046\u306b\uff0c\u5076\u529b\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\uff0c$fl$ \u306e\u5024\u3068\u306a\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u306a\u304a\uff0c2\u529b\u306f\u5e38\u306b\u300c\u529b\u306e\u3064\u308a\u5408\u3044\u300d\u3092\u6e80\u305f\u3059\u305f\u3081\uff0c\u7269\u4f53\u3092\u52a0\u901f\u3055\u305b\u308b\u4f5c\u7528\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
<\/i>\u5076\u529b<\/p>\n\u525b\u4f53\u306b\u4f5c\u7528\u3057\uff0c\u4e92\u3044\u306b\u5927\u304d\u3055\u304c\u7b49\u3057\u304f\uff0c\u9006\u5411\u304d\u306e\u95a2\u4fc2\u3068\u306a\u308b2\u529b\u306e\u7d44\u306e\u3053\u3068\u3002\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n\u25b6 \u525b\u4f53\u30b7\u30ea\u30fc\u30ba\u306e\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u30fb\u8981\u70b9\u6574\u7406\u306f\u3053\u3061\u3089<\/strong><\/p>\n\n\n\n\u525b\u4f53\u306e\u307e\u3068\u3081\u3010\u5b66\u7fd2\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u3011<\/div>\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u30fb\u9759\u6b62\u6761\u4ef6\u30fb\u91cd\u5fc3\u30fb\u300c\u5012\u308c\u308b\u5012\u308c\u306a\u3044\u300d\u306e\u5224\u5b9a\u6cd5\u30921\u30da\u30fc\u30b8\u306b\u51dd\u7e2e\u3057\u305f\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u3067\u3059\u3002<\/div>\u8a73\u3057\u304f\u898b\u308b<\/a><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u304b\u3089\u5076\u529b\u307e\u3067\uff0c\u525b\u4f53\u306b\u50cd\u304f\u8907\u6570\u306e\u529b\u3092\u3072\u3068\u3064\u306b\u307e\u3068\u3081\u308b\u8003\u3048\u65b9\u3092\u6271\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":4831,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,39],"tags":[],"class_list":["post-4819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dynamics","category-39"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
\u525b\u4f53\u306b\u4f5c\u7528\u3057\uff0c\u4e92\u3044\u306b\u5927\u304d\u3055\u304c\u7b49\u3057\u304f\uff0c\u9006\u5411\u304d\u306e\u95a2\u4fc2\u3068\u306a\u308b2\u529b\u306e\u7d44\u306e\u3053\u3068\u3002\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u70b9\u307e\u308f\u308a\u3067\u8a08\u7b97\u3057\u3066\u3082\u7b49\u3057\u304f\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n
\u25b6 \u525b\u4f53\u30b7\u30ea\u30fc\u30ba\u306e\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u30fb\u8981\u70b9\u6574\u7406\u306f\u3053\u3061\u3089<\/strong><\/p>\n\n\n\n\u525b\u4f53\u306e\u307e\u3068\u3081\u3010\u5b66\u7fd2\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u3011<\/div>\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u30fb\u9759\u6b62\u6761\u4ef6\u30fb\u91cd\u5fc3\u30fb\u300c\u5012\u308c\u308b\u5012\u308c\u306a\u3044\u300d\u306e\u5224\u5b9a\u6cd5\u30921\u30da\u30fc\u30b8\u306b\u51dd\u7e2e\u3057\u305f\u5b66\u7fd2\u9806\u30ac\u30a4\u30c9\u3067\u3059\u3002<\/div>\u8a73\u3057\u304f\u898b\u308b<\/a><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u304b\u3089\u5076\u529b\u307e\u3067\uff0c\u525b\u4f53\u306b\u50cd\u304f\u8907\u6570\u306e\u529b\u3092\u3072\u3068\u3064\u306b\u307e\u3068\u3081\u308b\u8003\u3048\u65b9\u3092\u6271\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":4831,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,39],"tags":[],"class_list":["post-4819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dynamics","category-39"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
\u5e73\u884c\u306a2\u529b\u306e\u5408\u6210\u304b\u3089\u5076\u529b\u307e\u3067\uff0c\u525b\u4f53\u306b\u50cd\u304f\u8907\u6570\u306e\u529b\u3092\u3072\u3068\u3064\u306b\u307e\u3068\u3081\u308b\u8003\u3048\u65b9\u3092\u6271\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":4831,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,39],"tags":[],"class_list":["post-4819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dynamics","category-39"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
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