\u7269\u7406\u57fa\u790e\u3067\uff0c\u96fb\u8377\u540c\u58eb\u304c\u9759\u96fb\u6c17\u529b\u3092\u53ca\u307c\u3057\u5408\u3046\u3053\u3068\u3092\u5b66\u7fd2\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u305d\u306e\u9759\u96fb\u6c17\u529b\u304c\u5177\u4f53\u7684\u306b\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u304b\u3092\u5b66\u7fd2\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n<\/noscript><\/figure>\n\n\n\n\u56f3\u306e\u3088\u3046\u306b\uff0c$q_1,\\,q_2$ \u306e\u96fb\u8377\u3092\u6301\u30642\u3064\u306e\u96fb\u8377\u304c\u8ddd\u96e2 $r$ \u3060\u3051\u9694\u3066\u3066\u304a\u304b\u308c\u3066\u3044\u308b\u3068\u304d\uff0c\u96fb\u8377\u306e\u9593\u306b\u50cd\u304f\u9759\u96fb\u6c17\u529b\u306e\u5927\u304d\u3055\u306f\uff0c<\/p>\n\n\n\n$$f=k\\bun{|q_1q_2|}{r^2}$$<\/p>\n\n\n\n\u3068\u8868\u3055\u308c\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3092\u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247<\/span>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n\u529b\u306e\u5411\u304d<\/h3>\n\n\n\n$q_1$ \u3068 $q_2$ \u304c\u540c\u7b26\u53f7\u3067\u3042\u308c\u3070\u65a5\u529b\uff0c\u7570\u7b26\u53f7\u3067\u3042\u308c\u3070\u5f15\u529b\u3067\u3059\u3002\u56f3\u306f\u524d\u8005\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n\u307e\u305f\uff0c\u6bd4\u4f8b\u5b9a\u6570 $k$ \u306f\uff0c\u305d\u306e\u5927\u304d\u3055\u304c $k\\fallingdotseq 9.0\\times10^9$ \u306e\u5b9a\u6570\u3067\u3059\u3002<\/p>\n\n\n\n<\/div>\n\n\n\n\u96fb\u8377\u304c\u4e92\u3044\u306b\u53ca\u307c\u3057\u5408\u3063\u3066\u3044\u308b\u9759\u96fb\u6c17\u529b\u306f\uff0c\u4f5c\u7528\u30fb\u53cd\u4f5c\u7528\u306e\u95a2\u4fc2\u306b\u3042\u308b\u305f\u3081\uff0c\u7b49\u5927\u9006\u5411\u304d\u306b\u306a\u3063\u3066\u3044\u308b<\/span>\u3053\u3068\u3082\u3057\u3063\u304b\u308a\u3068\u610f\u8b58\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n \n \n \n <\/i> \u9759\u96fb\u6c17\u529b\uff08\u30af\u30fc\u30ed\u30f3\u529b\uff09\n <\/p>\n\n \n \u96fb\u8377\u304c\u305d\u308c\u305e\u308c $q_1,\\,q_2$ \u306e\u96fb\u8377\u304c\u8ddd\u96e2 $r$ \u3060\u3051\u96e2\u308c\u3066\u304a\u304b\u308c\u3066\u3044\u308b\u3068\u304d\uff0c\u96fb\u8377\u9593\u306b\u306f\u5927\u304d\u3055\u304c\uff0c<\/p><\/p>$$f=k\\bun{|q_1q_2|}{r^2}$$<\/p><\/p>\u3067\u8868\u3055\u308c\u308b\u9759\u96fb\u6c17\u529b\u304c\u50cd\u304f\u3002\u540c\u7b26\u53f7\u306e\u96fb\u8377\u306a\u3089\u65a5\u529b\uff0c\u7570\u7b26\u53f7\u306e\u96fb\u8377\u306a\u3089\u5f15\u529b\u3068\u306a\u308b\u3002<\/p>\n <\/div>\n <\/div>\n\n\n\n\u4e07\u6709\u5f15\u529b\u3068\u306e\u6bd4\u8f03<\/h2>\n\n\n\n\u4e07\u6709\u5f15\u529b\u3092\u601d\u3044\u51fa\u3057\u3066\uff01<\/h3>\n\n\n\n\u30af\u30fc\u30ed\u30f3\u529b\u306e\u5f0f\u306e\u5f62\uff0c\u898b\u899a\u3048\u304c\u3042\u308a\u307e\u305b\u3093\u304b\u2026\uff1f<\/p>\n\n\n\n\n\u4e07\u6709\u5f15\u529b\u306e\u5f0f $f=G\\bun{mM}{r^2}$ \u3067\u3059\uff01<\/p>\n<\/div><\/div><\/div><\/noscript>\u751f\u5f92<\/div><\/div><\/div>\n\n\n<\/noscript><\/figure>\n\n\n\n\u5b8c\u5168\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3067\u3059\u306d\u3002\u4f55\u70b9\u304b\u9055\u3044\u3092\u78ba\u8a8d\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n\u7b26\u53f7\u306e\u6709\u7121<\/h3>\n\n\n\n\u8cea\u91cf\u306f\u6b63\u306e\u5024\u3068\u6c7a\u307e\u3063\u3066\u3044\u308b\u305f\u3081\uff0c\u4e07\u6709\u5f15\u529b\u306f\u5fc5\u305a\u300c\u5f15\u529b\u300d\u3067\u3059\u3002<\/p>\n\n\n\n\u4e00\u65b9\uff0c\u96fb\u8377\u306f\u8ca0\u306e\u5024\u3082\u53d6\u308a\u5f97\u308b\u305f\u3081\uff0c\u7b26\u53f7\u306b\u3088\u3063\u3066\u529b\u306e\u5411\u304d\u304c\u5909\u308f\u308a\u307e\u3059<\/span>\u3002<\/p>\n\n\n\n\u529b\u306e\u5411\u304d<\/h3>\n\n\n\n\u6b63\u306e\u8cea\u91cf\u306e\u7269\u4f53\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u4e07\u6709\u5f15\u529b\u306f\u300c\u5f15\u529b\u300d\u306a\u306e\u306b\u5bfe\u3057\uff0c\u6b63\u306e\u96fb\u8377\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u9759\u96fb\u6c17\u529b\u306f\u300c\u65a5\u529b\u300d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\u5bfe\u5fdc\u3059\u308b\u529b\u306e\u5411\u304d\u304c\u9006\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\uff01<\/p>\n\n\n\n\u6bd4\u4f8b\u5b9a\u6570\u306e\u5927\u304d\u3055<\/h3>\n\n\n\n\u6bd4\u4f8b\u5b9a\u6570\u306e\u5024\u306f\u305d\u308c\u305e\u308c\uff0c<\/p>\n\n\n\n$$G\\fallingdotseq 6.7\\times10^{-11},\\ k=9.0\\times10^{9}$$<\/p>\n\n\n\n\u3067\u3059\u3002<\/p>\n\n\n\n\u3088\u3063\u3066\uff0c$1\\m$ \u96e2\u308c\u305f $1\\kg$ \u306e\u7269\u4f53\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u4e07\u6709\u5f15\u529b\u306e\u5927\u304d\u3055\u306f\uff0c<\/p>\n\n\n\n$$f=G=6.7\\times10^{-11}\\N$$<\/p>\n\n\n\n\u3068\u975e\u5e38\u306b\u5c0f\u3055\u3044\u306e\u306b\u5bfe\u3057\uff0c$1\\m$ \u96e2\u308c\u305f $1\\C$ \u306e\u96fb\u8377\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u9759\u96fb\u6c17\u529b\u306e\u5927\u304d\u3055\u306f<\/p>\n\n\n\n$$f=k=9.0\\times10^{9}\\N$$<\/p>\n\n\n\n\u3068\u975e\u5e38\u306b\u5927\u304d\u306a\u5024\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript>\u7fbd\u767d<\/div><\/div>\n\u529b\u306e\u5927\u304d\u3055\u306e\u30b9\u30b1\u30fc\u30eb\u304c\u5168\u304f\u7570\u306a\u308b\u70b9\u306f\u982d\u306b\u5165\u308c\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n \n \n \n \n <\/i> \u4f8b\u984c\n <\/span>\n <\/p>\n\n \n \u8cea\u91cf\u304c\u3044\u305a\u308c\u3082 $m$ \u306e2\u3064\u306e\u5c0f\u7403\u304c\u5929\u4e95\u304b\u3089\u9577\u3055 $l$ \u306e\u7cf8\u3067\u3064\u308b\u3057\u3066\u3042\u308b\u3002\u3053\u308c\u3089\u306e\u5c0f\u7403\u306b\u5927\u304d\u3055\u304c\u7b49\u3057\u3044\u6b63\u306e\u96fb\u8377\u3092\u4e0e\u3048\u308b\u3068\uff0c\u7cf8\u304c\u925b\u76f4\u65b9\u5411\u304b\u3089 $\\theta$ \u3060\u3051\u50be\u3044\u305f\u4f4d\u7f6e\u3067\u9759\u6b62\u3057\u305f\u3002\u4e0e\u3048\u305f\u96fb\u8377\u306e\u5927\u304d\u3055 $q$ \u3092\u6c42\u3081\u3088\u3002\u305f\u3060\u3057\uff0c\u91cd\u529b\u52a0\u901f\u5ea6\u306e\u5927\u304d\u3055\u3092 $g$\uff0c\u9759\u96fb\u6c17\u529b\u306e\u6bd4\u4f8b\u5b9a\u6570\u3092 $k$ \u3068\u3059\u308b\u3002<\/p><\/noscript><\/figure><\/p>\n <\/div>\n <\/div>\n\n\n\n\u89e3\u304d\u65b9<\/h3>\n\n\n\n\u5c0f\u7403\u9593\u306e\u8ddd\u96e2\u306f\uff0c$2l\\cos\\theta$ \u306a\u306e\u3067\uff0c\u4e92\u3044\u306b\u4f5c\u7528\u3059\u308b\u9759\u96fb\u6c17\u529b\u306e\u5927\u304d\u3055\u306f\uff0c<\/p>\n\n\n\n$$f=k\\bun{q^2}{(2l\\cos\\theta)^2}$$<\/p>\n\n\n\n\u3067\u3042\u308b\u3002\u3088\u3063\u3066\uff0c\u529b\u306e\u4f5c\u7528\u56f3\u306f\u6b21\u306e\u901a\u308a\u3002<\/p>\n\n\n<\/noscript><\/figure>\n\n\n\n\u5c0f\u7403\u306b\u3064\u3044\u3066\uff0c\u7cf8\u306b\u5782\u76f4\u306a\u65b9\u5411\u306e\u529b\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$mg\\sin\\theta=f\\cos\\theta$$<\/p>\n\n\n\n\u304c\u6210\u7acb\u3059\u308b\u3002\u3088\u3063\u3066\u3053\u308c\u3092\u6574\u7406\u3057\u3066\uff0c<\/p>\n\n\n\n$$q=2l\\sqrt{\\bun{mg\\sin\\theta\\cos\\theta}{k}}$$<\/p>\n","protected":false},"excerpt":{"rendered":"\u9759\u96fb\u6c17\u529b \u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247 \u7269\u7406\u57fa\u790e\u3067\uff0c\u96fb\u8377\u540c\u58eb\u304c\u9759\u96fb\u6c17\u529b\u3092\u53ca\u307c\u3057\u5408\u3046\u3053\u3068\u3092\u5b66\u7fd2\u3057\u307e\u3057\u305f\u3002 \u56f3\u306e\u3088\u3046\u306b\uff0c$q_1,\\,q_2$ \u306e\u96fb\u8377\u3092\u6301\u30642\u3064\u306e\u96fb\u8377\u304c\u8ddd\u96e2 $r$ \u3060\u3051\u9694\u3066\u3066\u304a\u304b\u308c\u3066\u3044\u308b\u3068\u304d\uff0c\u96fb\u8377\u306e\u9593 … <\/p>\n","protected":false},"author":1,"featured_media":6741,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39,23],"tags":[],"class_list":["post-6665","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-39","category-electromagnetics"],"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\u3088\u3046\u306b\uff0c$q_1,\\,q_2$ \u306e\u96fb\u8377\u3092\u6301\u30642\u3064\u306e\u96fb\u8377\u304c\u8ddd\u96e2 $r$ \u3060\u3051\u9694\u3066\u3066\u304a\u304b\u308c\u3066\u3044\u308b\u3068\u304d\uff0c\u96fb\u8377\u306e\u9593\u306b\u50cd\u304f\u9759\u96fb\u6c17\u529b\u306e\u5927\u304d\u3055\u306f\uff0c<\/p>\n\n\n\n
$$f=k\\bun{|q_1q_2|}{r^2}$$<\/p>\n\n\n\n
\u3068\u8868\u3055\u308c\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3092\u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247<\/span>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n\u529b\u306e\u5411\u304d<\/h3>\n\n\n\n$q_1$ \u3068 $q_2$ \u304c\u540c\u7b26\u53f7\u3067\u3042\u308c\u3070\u65a5\u529b\uff0c\u7570\u7b26\u53f7\u3067\u3042\u308c\u3070\u5f15\u529b\u3067\u3059\u3002\u56f3\u306f\u524d\u8005\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n\u307e\u305f\uff0c\u6bd4\u4f8b\u5b9a\u6570 $k$ \u306f\uff0c\u305d\u306e\u5927\u304d\u3055\u304c $k\\fallingdotseq 9.0\\times10^9$ \u306e\u5b9a\u6570\u3067\u3059\u3002<\/p>\n\n\n\n<\/div>\n\n\n\n\u96fb\u8377\u304c\u4e92\u3044\u306b\u53ca\u307c\u3057\u5408\u3063\u3066\u3044\u308b\u9759\u96fb\u6c17\u529b\u306f\uff0c\u4f5c\u7528\u30fb\u53cd\u4f5c\u7528\u306e\u95a2\u4fc2\u306b\u3042\u308b\u305f\u3081\uff0c\u7b49\u5927\u9006\u5411\u304d\u306b\u306a\u3063\u3066\u3044\u308b<\/span>\u3053\u3068\u3082\u3057\u3063\u304b\u308a\u3068\u610f\u8b58\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n \n \n \n <\/i> \u9759\u96fb\u6c17\u529b\uff08\u30af\u30fc\u30ed\u30f3\u529b\uff09\n <\/p>\n\n \n \u96fb\u8377\u304c\u305d\u308c\u305e\u308c $q_1,\\,q_2$ \u306e\u96fb\u8377\u304c\u8ddd\u96e2 $r$ \u3060\u3051\u96e2\u308c\u3066\u304a\u304b\u308c\u3066\u3044\u308b\u3068\u304d\uff0c\u96fb\u8377\u9593\u306b\u306f\u5927\u304d\u3055\u304c\uff0c<\/p><\/p>$$f=k\\bun{|q_1q_2|}{r^2}$$<\/p><\/p>\u3067\u8868\u3055\u308c\u308b\u9759\u96fb\u6c17\u529b\u304c\u50cd\u304f\u3002\u540c\u7b26\u53f7\u306e\u96fb\u8377\u306a\u3089\u65a5\u529b\uff0c\u7570\u7b26\u53f7\u306e\u96fb\u8377\u306a\u3089\u5f15\u529b\u3068\u306a\u308b\u3002<\/p>\n <\/div>\n <\/div>\n\n\n\n\u4e07\u6709\u5f15\u529b\u3068\u306e\u6bd4\u8f03<\/h2>\n\n\n\n\u4e07\u6709\u5f15\u529b\u3092\u601d\u3044\u51fa\u3057\u3066\uff01<\/h3>\n\n\n\n\u30af\u30fc\u30ed\u30f3\u529b\u306e\u5f0f\u306e\u5f62\uff0c\u898b\u899a\u3048\u304c\u3042\u308a\u307e\u305b\u3093\u304b\u2026\uff1f<\/p>\n\n\n\n\n\u4e07\u6709\u5f15\u529b\u306e\u5f0f $f=G\\bun{mM}{r^2}$ \u3067\u3059\uff01<\/p>\n<\/div><\/div><\/div><\/noscript>\u751f\u5f92<\/div><\/div><\/div>\n\n\n<\/noscript><\/figure>\n\n\n\n\u5b8c\u5168\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3067\u3059\u306d\u3002\u4f55\u70b9\u304b\u9055\u3044\u3092\u78ba\u8a8d\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n\u7b26\u53f7\u306e\u6709\u7121<\/h3>\n\n\n\n\u8cea\u91cf\u306f\u6b63\u306e\u5024\u3068\u6c7a\u307e\u3063\u3066\u3044\u308b\u305f\u3081\uff0c\u4e07\u6709\u5f15\u529b\u306f\u5fc5\u305a\u300c\u5f15\u529b\u300d\u3067\u3059\u3002<\/p>\n\n\n\n\u4e00\u65b9\uff0c\u96fb\u8377\u306f\u8ca0\u306e\u5024\u3082\u53d6\u308a\u5f97\u308b\u305f\u3081\uff0c\u7b26\u53f7\u306b\u3088\u3063\u3066\u529b\u306e\u5411\u304d\u304c\u5909\u308f\u308a\u307e\u3059<\/span>\u3002<\/p>\n\n\n\n\u529b\u306e\u5411\u304d<\/h3>\n\n\n\n\u6b63\u306e\u8cea\u91cf\u306e\u7269\u4f53\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u4e07\u6709\u5f15\u529b\u306f\u300c\u5f15\u529b\u300d\u306a\u306e\u306b\u5bfe\u3057\uff0c\u6b63\u306e\u96fb\u8377\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u9759\u96fb\u6c17\u529b\u306f\u300c\u65a5\u529b\u300d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\u5bfe\u5fdc\u3059\u308b\u529b\u306e\u5411\u304d\u304c\u9006\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\uff01<\/p>\n\n\n\n\u6bd4\u4f8b\u5b9a\u6570\u306e\u5927\u304d\u3055<\/h3>\n\n\n\n\u6bd4\u4f8b\u5b9a\u6570\u306e\u5024\u306f\u305d\u308c\u305e\u308c\uff0c<\/p>\n\n\n\n$$G\\fallingdotseq 6.7\\times10^{-11},\\ k=9.0\\times10^{9}$$<\/p>\n\n\n\n\u3067\u3059\u3002<\/p>\n\n\n\n\u3088\u3063\u3066\uff0c$1\\m$ \u96e2\u308c\u305f $1\\kg$ \u306e\u7269\u4f53\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u4e07\u6709\u5f15\u529b\u306e\u5927\u304d\u3055\u306f\uff0c<\/p>\n\n\n\n$$f=G=6.7\\times10^{-11}\\N$$<\/p>\n\n\n\n\u3068\u975e\u5e38\u306b\u5c0f\u3055\u3044\u306e\u306b\u5bfe\u3057\uff0c$1\\m$ \u96e2\u308c\u305f $1\\C$ \u306e\u96fb\u8377\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u9759\u96fb\u6c17\u529b\u306e\u5927\u304d\u3055\u306f<\/p>\n\n\n\n$$f=k=9.0\\times10^{9}\\N$$<\/p>\n\n\n\n\u3068\u975e\u5e38\u306b\u5927\u304d\u306a\u5024\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript>\u7fbd\u767d<\/div><\/div>\n\u529b\u306e\u5927\u304d\u3055\u306e\u30b9\u30b1\u30fc\u30eb\u304c\u5168\u304f\u7570\u306a\u308b\u70b9\u306f\u982d\u306b\u5165\u308c\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n \n \n \n \n <\/i> \u4f8b\u984c\n <\/span>\n <\/p>\n\n \n \u8cea\u91cf\u304c\u3044\u305a\u308c\u3082 $m$ \u306e2\u3064\u306e\u5c0f\u7403\u304c\u5929\u4e95\u304b\u3089\u9577\u3055 $l$ \u306e\u7cf8\u3067\u3064\u308b\u3057\u3066\u3042\u308b\u3002\u3053\u308c\u3089\u306e\u5c0f\u7403\u306b\u5927\u304d\u3055\u304c\u7b49\u3057\u3044\u6b63\u306e\u96fb\u8377\u3092\u4e0e\u3048\u308b\u3068\uff0c\u7cf8\u304c\u925b\u76f4\u65b9\u5411\u304b\u3089 $\\theta$ \u3060\u3051\u50be\u3044\u305f\u4f4d\u7f6e\u3067\u9759\u6b62\u3057\u305f\u3002\u4e0e\u3048\u305f\u96fb\u8377\u306e\u5927\u304d\u3055 $q$ \u3092\u6c42\u3081\u3088\u3002\u305f\u3060\u3057\uff0c\u91cd\u529b\u52a0\u901f\u5ea6\u306e\u5927\u304d\u3055\u3092 $g$\uff0c\u9759\u96fb\u6c17\u529b\u306e\u6bd4\u4f8b\u5b9a\u6570\u3092 $k$ \u3068\u3059\u308b\u3002<\/p><\/noscript><\/figure><\/p>\n <\/div>\n <\/div>\n\n\n\n\u89e3\u304d\u65b9<\/h3>\n\n\n\n\u5c0f\u7403\u9593\u306e\u8ddd\u96e2\u306f\uff0c$2l\\cos\\theta$ \u306a\u306e\u3067\uff0c\u4e92\u3044\u306b\u4f5c\u7528\u3059\u308b\u9759\u96fb\u6c17\u529b\u306e\u5927\u304d\u3055\u306f\uff0c<\/p>\n\n\n\n$$f=k\\bun{q^2}{(2l\\cos\\theta)^2}$$<\/p>\n\n\n\n\u3067\u3042\u308b\u3002\u3088\u3063\u3066\uff0c\u529b\u306e\u4f5c\u7528\u56f3\u306f\u6b21\u306e\u901a\u308a\u3002<\/p>\n\n\n<\/noscript><\/figure>\n\n\n\n\u5c0f\u7403\u306b\u3064\u3044\u3066\uff0c\u7cf8\u306b\u5782\u76f4\u306a\u65b9\u5411\u306e\u529b\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$mg\\sin\\theta=f\\cos\\theta$$<\/p>\n\n\n\n\u304c\u6210\u7acb\u3059\u308b\u3002\u3088\u3063\u3066\u3053\u308c\u3092\u6574\u7406\u3057\u3066\uff0c<\/p>\n\n\n\n$$q=2l\\sqrt{\\bun{mg\\sin\\theta\\cos\\theta}{k}}$$<\/p>\n","protected":false},"excerpt":{"rendered":"\u9759\u96fb\u6c17\u529b \u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247 \u7269\u7406\u57fa\u790e\u3067\uff0c\u96fb\u8377\u540c\u58eb\u304c\u9759\u96fb\u6c17\u529b\u3092\u53ca\u307c\u3057\u5408\u3046\u3053\u3068\u3092\u5b66\u7fd2\u3057\u307e\u3057\u305f\u3002 \u56f3\u306e\u3088\u3046\u306b\uff0c$q_1,\\,q_2$ \u306e\u96fb\u8377\u3092\u6301\u30642\u3064\u306e\u96fb\u8377\u304c\u8ddd\u96e2 $r$ \u3060\u3051\u9694\u3066\u3066\u304a\u304b\u308c\u3066\u3044\u308b\u3068\u304d\uff0c\u96fb\u8377\u306e\u9593 … <\/p>\n","protected":false},"author":1,"featured_media":6741,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39,23],"tags":[],"class_list":["post-6665","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-39","category-electromagnetics"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
$q_1$ \u3068 $q_2$ \u304c\u540c\u7b26\u53f7\u3067\u3042\u308c\u3070\u65a5\u529b\uff0c\u7570\u7b26\u53f7\u3067\u3042\u308c\u3070\u5f15\u529b\u3067\u3059\u3002\u56f3\u306f\u524d\u8005\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u307e\u305f\uff0c\u6bd4\u4f8b\u5b9a\u6570 $k$ \u306f\uff0c\u305d\u306e\u5927\u304d\u3055\u304c $k\\fallingdotseq 9.0\\times10^9$ \u306e\u5b9a\u6570\u3067\u3059\u3002<\/p>\n\n\n\n
\u96fb\u8377\u304c\u4e92\u3044\u306b\u53ca\u307c\u3057\u5408\u3063\u3066\u3044\u308b\u9759\u96fb\u6c17\u529b\u306f\uff0c\u4f5c\u7528\u30fb\u53cd\u4f5c\u7528\u306e\u95a2\u4fc2\u306b\u3042\u308b\u305f\u3081\uff0c\u7b49\u5927\u9006\u5411\u304d\u306b\u306a\u3063\u3066\u3044\u308b<\/span>\u3053\u3068\u3082\u3057\u3063\u304b\u308a\u3068\u610f\u8b58\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n \n \n \n <\/i> \u9759\u96fb\u6c17\u529b\uff08\u30af\u30fc\u30ed\u30f3\u529b\uff09\n <\/p>\n\n \n \u96fb\u8377\u304c\u305d\u308c\u305e\u308c $q_1,\\,q_2$ \u306e\u96fb\u8377\u304c\u8ddd\u96e2 $r$ \u3060\u3051\u96e2\u308c\u3066\u304a\u304b\u308c\u3066\u3044\u308b\u3068\u304d\uff0c\u96fb\u8377\u9593\u306b\u306f\u5927\u304d\u3055\u304c\uff0c<\/p><\/p>$$f=k\\bun{|q_1q_2|}{r^2}$$<\/p><\/p>\u3067\u8868\u3055\u308c\u308b\u9759\u96fb\u6c17\u529b\u304c\u50cd\u304f\u3002\u540c\u7b26\u53f7\u306e\u96fb\u8377\u306a\u3089\u65a5\u529b\uff0c\u7570\u7b26\u53f7\u306e\u96fb\u8377\u306a\u3089\u5f15\u529b\u3068\u306a\u308b\u3002<\/p>\n <\/div>\n <\/div>\n\n\n\n\u4e07\u6709\u5f15\u529b\u3068\u306e\u6bd4\u8f03<\/h2>\n\n\n\n\u4e07\u6709\u5f15\u529b\u3092\u601d\u3044\u51fa\u3057\u3066\uff01<\/h3>\n\n\n\n\u30af\u30fc\u30ed\u30f3\u529b\u306e\u5f0f\u306e\u5f62\uff0c\u898b\u899a\u3048\u304c\u3042\u308a\u307e\u305b\u3093\u304b\u2026\uff1f<\/p>\n\n\n\n\n\u4e07\u6709\u5f15\u529b\u306e\u5f0f $f=G\\bun{mM}{r^2}$ \u3067\u3059\uff01<\/p>\n<\/div><\/div><\/div><\/noscript>\u751f\u5f92<\/div><\/div><\/div>\n\n\n<\/noscript><\/figure>\n\n\n\n\u5b8c\u5168\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3067\u3059\u306d\u3002\u4f55\u70b9\u304b\u9055\u3044\u3092\u78ba\u8a8d\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n\u7b26\u53f7\u306e\u6709\u7121<\/h3>\n\n\n\n\u8cea\u91cf\u306f\u6b63\u306e\u5024\u3068\u6c7a\u307e\u3063\u3066\u3044\u308b\u305f\u3081\uff0c\u4e07\u6709\u5f15\u529b\u306f\u5fc5\u305a\u300c\u5f15\u529b\u300d\u3067\u3059\u3002<\/p>\n\n\n\n\u4e00\u65b9\uff0c\u96fb\u8377\u306f\u8ca0\u306e\u5024\u3082\u53d6\u308a\u5f97\u308b\u305f\u3081\uff0c\u7b26\u53f7\u306b\u3088\u3063\u3066\u529b\u306e\u5411\u304d\u304c\u5909\u308f\u308a\u307e\u3059<\/span>\u3002<\/p>\n\n\n\n\u529b\u306e\u5411\u304d<\/h3>\n\n\n\n\u6b63\u306e\u8cea\u91cf\u306e\u7269\u4f53\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u4e07\u6709\u5f15\u529b\u306f\u300c\u5f15\u529b\u300d\u306a\u306e\u306b\u5bfe\u3057\uff0c\u6b63\u306e\u96fb\u8377\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u9759\u96fb\u6c17\u529b\u306f\u300c\u65a5\u529b\u300d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\u5bfe\u5fdc\u3059\u308b\u529b\u306e\u5411\u304d\u304c\u9006\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\uff01<\/p>\n\n\n\n\u6bd4\u4f8b\u5b9a\u6570\u306e\u5927\u304d\u3055<\/h3>\n\n\n\n\u6bd4\u4f8b\u5b9a\u6570\u306e\u5024\u306f\u305d\u308c\u305e\u308c\uff0c<\/p>\n\n\n\n$$G\\fallingdotseq 6.7\\times10^{-11},\\ k=9.0\\times10^{9}$$<\/p>\n\n\n\n\u3067\u3059\u3002<\/p>\n\n\n\n\u3088\u3063\u3066\uff0c$1\\m$ \u96e2\u308c\u305f $1\\kg$ \u306e\u7269\u4f53\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u4e07\u6709\u5f15\u529b\u306e\u5927\u304d\u3055\u306f\uff0c<\/p>\n\n\n\n$$f=G=6.7\\times10^{-11}\\N$$<\/p>\n\n\n\n\u3068\u975e\u5e38\u306b\u5c0f\u3055\u3044\u306e\u306b\u5bfe\u3057\uff0c$1\\m$ \u96e2\u308c\u305f $1\\C$ \u306e\u96fb\u8377\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u9759\u96fb\u6c17\u529b\u306e\u5927\u304d\u3055\u306f<\/p>\n\n\n\n$$f=k=9.0\\times10^{9}\\N$$<\/p>\n\n\n\n\u3068\u975e\u5e38\u306b\u5927\u304d\u306a\u5024\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript>\u7fbd\u767d<\/div><\/div>\n\u529b\u306e\u5927\u304d\u3055\u306e\u30b9\u30b1\u30fc\u30eb\u304c\u5168\u304f\u7570\u306a\u308b\u70b9\u306f\u982d\u306b\u5165\u308c\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n \n \n \n \n <\/i> \u4f8b\u984c\n <\/span>\n <\/p>\n\n \n \u8cea\u91cf\u304c\u3044\u305a\u308c\u3082 $m$ \u306e2\u3064\u306e\u5c0f\u7403\u304c\u5929\u4e95\u304b\u3089\u9577\u3055 $l$ \u306e\u7cf8\u3067\u3064\u308b\u3057\u3066\u3042\u308b\u3002\u3053\u308c\u3089\u306e\u5c0f\u7403\u306b\u5927\u304d\u3055\u304c\u7b49\u3057\u3044\u6b63\u306e\u96fb\u8377\u3092\u4e0e\u3048\u308b\u3068\uff0c\u7cf8\u304c\u925b\u76f4\u65b9\u5411\u304b\u3089 $\\theta$ \u3060\u3051\u50be\u3044\u305f\u4f4d\u7f6e\u3067\u9759\u6b62\u3057\u305f\u3002\u4e0e\u3048\u305f\u96fb\u8377\u306e\u5927\u304d\u3055 $q$ \u3092\u6c42\u3081\u3088\u3002\u305f\u3060\u3057\uff0c\u91cd\u529b\u52a0\u901f\u5ea6\u306e\u5927\u304d\u3055\u3092 $g$\uff0c\u9759\u96fb\u6c17\u529b\u306e\u6bd4\u4f8b\u5b9a\u6570\u3092 $k$ \u3068\u3059\u308b\u3002<\/p><\/noscript><\/figure><\/p>\n <\/div>\n <\/div>\n\n\n\n\u89e3\u304d\u65b9<\/h3>\n\n\n\n\u5c0f\u7403\u9593\u306e\u8ddd\u96e2\u306f\uff0c$2l\\cos\\theta$ \u306a\u306e\u3067\uff0c\u4e92\u3044\u306b\u4f5c\u7528\u3059\u308b\u9759\u96fb\u6c17\u529b\u306e\u5927\u304d\u3055\u306f\uff0c<\/p>\n\n\n\n$$f=k\\bun{q^2}{(2l\\cos\\theta)^2}$$<\/p>\n\n\n\n\u3067\u3042\u308b\u3002\u3088\u3063\u3066\uff0c\u529b\u306e\u4f5c\u7528\u56f3\u306f\u6b21\u306e\u901a\u308a\u3002<\/p>\n\n\n<\/noscript><\/figure>\n\n\n\n\u5c0f\u7403\u306b\u3064\u3044\u3066\uff0c\u7cf8\u306b\u5782\u76f4\u306a\u65b9\u5411\u306e\u529b\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$mg\\sin\\theta=f\\cos\\theta$$<\/p>\n\n\n\n\u304c\u6210\u7acb\u3059\u308b\u3002\u3088\u3063\u3066\u3053\u308c\u3092\u6574\u7406\u3057\u3066\uff0c<\/p>\n\n\n\n$$q=2l\\sqrt{\\bun{mg\\sin\\theta\\cos\\theta}{k}}$$<\/p>\n","protected":false},"excerpt":{"rendered":"\u9759\u96fb\u6c17\u529b \u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247 \u7269\u7406\u57fa\u790e\u3067\uff0c\u96fb\u8377\u540c\u58eb\u304c\u9759\u96fb\u6c17\u529b\u3092\u53ca\u307c\u3057\u5408\u3046\u3053\u3068\u3092\u5b66\u7fd2\u3057\u307e\u3057\u305f\u3002 \u56f3\u306e\u3088\u3046\u306b\uff0c$q_1,\\,q_2$ \u306e\u96fb\u8377\u3092\u6301\u30642\u3064\u306e\u96fb\u8377\u304c\u8ddd\u96e2 $r$ \u3060\u3051\u9694\u3066\u3066\u304a\u304b\u308c\u3066\u3044\u308b\u3068\u304d\uff0c\u96fb\u8377\u306e\u9593 … <\/p>\n","protected":false},"author":1,"featured_media":6741,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39,23],"tags":[],"class_list":["post-6665","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-39","category-electromagnetics"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
\n <\/i> \u9759\u96fb\u6c17\u529b\uff08\u30af\u30fc\u30ed\u30f3\u529b\uff09\n <\/p>\n\n \n \u96fb\u8377\u304c\u305d\u308c\u305e\u308c $q_1,\\,q_2$ \u306e\u96fb\u8377\u304c\u8ddd\u96e2 $r$ \u3060\u3051\u96e2\u308c\u3066\u304a\u304b\u308c\u3066\u3044\u308b\u3068\u304d\uff0c\u96fb\u8377\u9593\u306b\u306f\u5927\u304d\u3055\u304c\uff0c<\/p><\/p>$$f=k\\bun{|q_1q_2|}{r^2}$$<\/p><\/p>\u3067\u8868\u3055\u308c\u308b\u9759\u96fb\u6c17\u529b\u304c\u50cd\u304f\u3002\u540c\u7b26\u53f7\u306e\u96fb\u8377\u306a\u3089\u65a5\u529b\uff0c\u7570\u7b26\u53f7\u306e\u96fb\u8377\u306a\u3089\u5f15\u529b\u3068\u306a\u308b\u3002<\/p>\n <\/div>\n <\/div>\n\n\n\n\u4e07\u6709\u5f15\u529b\u3068\u306e\u6bd4\u8f03<\/h2>\n\n\n\n\u4e07\u6709\u5f15\u529b\u3092\u601d\u3044\u51fa\u3057\u3066\uff01<\/h3>\n\n\n\n\u30af\u30fc\u30ed\u30f3\u529b\u306e\u5f0f\u306e\u5f62\uff0c\u898b\u899a\u3048\u304c\u3042\u308a\u307e\u305b\u3093\u304b\u2026\uff1f<\/p>\n\n\n\n\n\u4e07\u6709\u5f15\u529b\u306e\u5f0f $f=G\\bun{mM}{r^2}$ \u3067\u3059\uff01<\/p>\n<\/div><\/div><\/div><\/noscript>\u751f\u5f92<\/div><\/div><\/div>\n\n\n<\/noscript><\/figure>\n\n\n\n\u5b8c\u5168\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3067\u3059\u306d\u3002\u4f55\u70b9\u304b\u9055\u3044\u3092\u78ba\u8a8d\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n\u7b26\u53f7\u306e\u6709\u7121<\/h3>\n\n\n\n\u8cea\u91cf\u306f\u6b63\u306e\u5024\u3068\u6c7a\u307e\u3063\u3066\u3044\u308b\u305f\u3081\uff0c\u4e07\u6709\u5f15\u529b\u306f\u5fc5\u305a\u300c\u5f15\u529b\u300d\u3067\u3059\u3002<\/p>\n\n\n\n\u4e00\u65b9\uff0c\u96fb\u8377\u306f\u8ca0\u306e\u5024\u3082\u53d6\u308a\u5f97\u308b\u305f\u3081\uff0c\u7b26\u53f7\u306b\u3088\u3063\u3066\u529b\u306e\u5411\u304d\u304c\u5909\u308f\u308a\u307e\u3059<\/span>\u3002<\/p>\n\n\n\n\u529b\u306e\u5411\u304d<\/h3>\n\n\n\n\u6b63\u306e\u8cea\u91cf\u306e\u7269\u4f53\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u4e07\u6709\u5f15\u529b\u306f\u300c\u5f15\u529b\u300d\u306a\u306e\u306b\u5bfe\u3057\uff0c\u6b63\u306e\u96fb\u8377\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u9759\u96fb\u6c17\u529b\u306f\u300c\u65a5\u529b\u300d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\u5bfe\u5fdc\u3059\u308b\u529b\u306e\u5411\u304d\u304c\u9006\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\uff01<\/p>\n\n\n\n\u6bd4\u4f8b\u5b9a\u6570\u306e\u5927\u304d\u3055<\/h3>\n\n\n\n\u6bd4\u4f8b\u5b9a\u6570\u306e\u5024\u306f\u305d\u308c\u305e\u308c\uff0c<\/p>\n\n\n\n$$G\\fallingdotseq 6.7\\times10^{-11},\\ k=9.0\\times10^{9}$$<\/p>\n\n\n\n\u3067\u3059\u3002<\/p>\n\n\n\n\u3088\u3063\u3066\uff0c$1\\m$ \u96e2\u308c\u305f $1\\kg$ \u306e\u7269\u4f53\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u4e07\u6709\u5f15\u529b\u306e\u5927\u304d\u3055\u306f\uff0c<\/p>\n\n\n\n$$f=G=6.7\\times10^{-11}\\N$$<\/p>\n\n\n\n\u3068\u975e\u5e38\u306b\u5c0f\u3055\u3044\u306e\u306b\u5bfe\u3057\uff0c$1\\m$ \u96e2\u308c\u305f $1\\C$ \u306e\u96fb\u8377\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u9759\u96fb\u6c17\u529b\u306e\u5927\u304d\u3055\u306f<\/p>\n\n\n\n$$f=k=9.0\\times10^{9}\\N$$<\/p>\n\n\n\n\u3068\u975e\u5e38\u306b\u5927\u304d\u306a\u5024\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript>\u7fbd\u767d<\/div><\/div>\n\u529b\u306e\u5927\u304d\u3055\u306e\u30b9\u30b1\u30fc\u30eb\u304c\u5168\u304f\u7570\u306a\u308b\u70b9\u306f\u982d\u306b\u5165\u308c\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n \n \n \n \n <\/i> \u4f8b\u984c\n <\/span>\n <\/p>\n\n \n \u8cea\u91cf\u304c\u3044\u305a\u308c\u3082 $m$ \u306e2\u3064\u306e\u5c0f\u7403\u304c\u5929\u4e95\u304b\u3089\u9577\u3055 $l$ \u306e\u7cf8\u3067\u3064\u308b\u3057\u3066\u3042\u308b\u3002\u3053\u308c\u3089\u306e\u5c0f\u7403\u306b\u5927\u304d\u3055\u304c\u7b49\u3057\u3044\u6b63\u306e\u96fb\u8377\u3092\u4e0e\u3048\u308b\u3068\uff0c\u7cf8\u304c\u925b\u76f4\u65b9\u5411\u304b\u3089 $\\theta$ \u3060\u3051\u50be\u3044\u305f\u4f4d\u7f6e\u3067\u9759\u6b62\u3057\u305f\u3002\u4e0e\u3048\u305f\u96fb\u8377\u306e\u5927\u304d\u3055 $q$ \u3092\u6c42\u3081\u3088\u3002\u305f\u3060\u3057\uff0c\u91cd\u529b\u52a0\u901f\u5ea6\u306e\u5927\u304d\u3055\u3092 $g$\uff0c\u9759\u96fb\u6c17\u529b\u306e\u6bd4\u4f8b\u5b9a\u6570\u3092 $k$ \u3068\u3059\u308b\u3002<\/p><\/noscript><\/figure><\/p>\n <\/div>\n <\/div>\n\n\n\n\u89e3\u304d\u65b9<\/h3>\n\n\n\n\u5c0f\u7403\u9593\u306e\u8ddd\u96e2\u306f\uff0c$2l\\cos\\theta$ \u306a\u306e\u3067\uff0c\u4e92\u3044\u306b\u4f5c\u7528\u3059\u308b\u9759\u96fb\u6c17\u529b\u306e\u5927\u304d\u3055\u306f\uff0c<\/p>\n\n\n\n$$f=k\\bun{q^2}{(2l\\cos\\theta)^2}$$<\/p>\n\n\n\n\u3067\u3042\u308b\u3002\u3088\u3063\u3066\uff0c\u529b\u306e\u4f5c\u7528\u56f3\u306f\u6b21\u306e\u901a\u308a\u3002<\/p>\n\n\n<\/noscript><\/figure>\n\n\n\n\u5c0f\u7403\u306b\u3064\u3044\u3066\uff0c\u7cf8\u306b\u5782\u76f4\u306a\u65b9\u5411\u306e\u529b\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$mg\\sin\\theta=f\\cos\\theta$$<\/p>\n\n\n\n\u304c\u6210\u7acb\u3059\u308b\u3002\u3088\u3063\u3066\u3053\u308c\u3092\u6574\u7406\u3057\u3066\uff0c<\/p>\n\n\n\n$$q=2l\\sqrt{\\bun{mg\\sin\\theta\\cos\\theta}{k}}$$<\/p>\n","protected":false},"excerpt":{"rendered":"\u9759\u96fb\u6c17\u529b \u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247 \u7269\u7406\u57fa\u790e\u3067\uff0c\u96fb\u8377\u540c\u58eb\u304c\u9759\u96fb\u6c17\u529b\u3092\u53ca\u307c\u3057\u5408\u3046\u3053\u3068\u3092\u5b66\u7fd2\u3057\u307e\u3057\u305f\u3002 \u56f3\u306e\u3088\u3046\u306b\uff0c$q_1,\\,q_2$ \u306e\u96fb\u8377\u3092\u6301\u30642\u3064\u306e\u96fb\u8377\u304c\u8ddd\u96e2 $r$ \u3060\u3051\u9694\u3066\u3066\u304a\u304b\u308c\u3066\u3044\u308b\u3068\u304d\uff0c\u96fb\u8377\u306e\u9593 … <\/p>\n","protected":false},"author":1,"featured_media":6741,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39,23],"tags":[],"class_list":["post-6665","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-39","category-electromagnetics"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
\u96fb\u8377\u304c\u305d\u308c\u305e\u308c $q_1,\\,q_2$ \u306e\u96fb\u8377\u304c\u8ddd\u96e2 $r$ \u3060\u3051\u96e2\u308c\u3066\u304a\u304b\u308c\u3066\u3044\u308b\u3068\u304d\uff0c\u96fb\u8377\u9593\u306b\u306f\u5927\u304d\u3055\u304c\uff0c<\/p><\/p>
$$f=k\\bun{|q_1q_2|}{r^2}$$<\/p><\/p>
\u3067\u8868\u3055\u308c\u308b\u9759\u96fb\u6c17\u529b\u304c\u50cd\u304f\u3002\u540c\u7b26\u53f7\u306e\u96fb\u8377\u306a\u3089\u65a5\u529b\uff0c\u7570\u7b26\u53f7\u306e\u96fb\u8377\u306a\u3089\u5f15\u529b\u3068\u306a\u308b\u3002<\/p>\n <\/div>\n <\/div>\n\n\n\n
\u30af\u30fc\u30ed\u30f3\u529b\u306e\u5f0f\u306e\u5f62\uff0c\u898b\u899a\u3048\u304c\u3042\u308a\u307e\u305b\u3093\u304b\u2026\uff1f<\/p>\n\n\n\n
\u4e07\u6709\u5f15\u529b\u306e\u5f0f $f=G\\bun{mM}{r^2}$ \u3067\u3059\uff01<\/p>\n<\/div><\/div><\/div>
\u5b8c\u5168\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3067\u3059\u306d\u3002\u4f55\u70b9\u304b\u9055\u3044\u3092\u78ba\u8a8d\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u8cea\u91cf\u306f\u6b63\u306e\u5024\u3068\u6c7a\u307e\u3063\u3066\u3044\u308b\u305f\u3081\uff0c\u4e07\u6709\u5f15\u529b\u306f\u5fc5\u305a\u300c\u5f15\u529b\u300d\u3067\u3059\u3002<\/p>\n\n\n\n
\u4e00\u65b9\uff0c\u96fb\u8377\u306f\u8ca0\u306e\u5024\u3082\u53d6\u308a\u5f97\u308b\u305f\u3081\uff0c\u7b26\u53f7\u306b\u3088\u3063\u3066\u529b\u306e\u5411\u304d\u304c\u5909\u308f\u308a\u307e\u3059<\/span>\u3002<\/p>\n\n\n\n\u529b\u306e\u5411\u304d<\/h3>\n\n\n\n\u6b63\u306e\u8cea\u91cf\u306e\u7269\u4f53\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u4e07\u6709\u5f15\u529b\u306f\u300c\u5f15\u529b\u300d\u306a\u306e\u306b\u5bfe\u3057\uff0c\u6b63\u306e\u96fb\u8377\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u9759\u96fb\u6c17\u529b\u306f\u300c\u65a5\u529b\u300d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\u5bfe\u5fdc\u3059\u308b\u529b\u306e\u5411\u304d\u304c\u9006\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\uff01<\/p>\n\n\n\n\u6bd4\u4f8b\u5b9a\u6570\u306e\u5927\u304d\u3055<\/h3>\n\n\n\n\u6bd4\u4f8b\u5b9a\u6570\u306e\u5024\u306f\u305d\u308c\u305e\u308c\uff0c<\/p>\n\n\n\n$$G\\fallingdotseq 6.7\\times10^{-11},\\ k=9.0\\times10^{9}$$<\/p>\n\n\n\n\u3067\u3059\u3002<\/p>\n\n\n\n\u3088\u3063\u3066\uff0c$1\\m$ \u96e2\u308c\u305f $1\\kg$ \u306e\u7269\u4f53\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u4e07\u6709\u5f15\u529b\u306e\u5927\u304d\u3055\u306f\uff0c<\/p>\n\n\n\n$$f=G=6.7\\times10^{-11}\\N$$<\/p>\n\n\n\n\u3068\u975e\u5e38\u306b\u5c0f\u3055\u3044\u306e\u306b\u5bfe\u3057\uff0c$1\\m$ \u96e2\u308c\u305f $1\\C$ \u306e\u96fb\u8377\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u9759\u96fb\u6c17\u529b\u306e\u5927\u304d\u3055\u306f<\/p>\n\n\n\n$$f=k=9.0\\times10^{9}\\N$$<\/p>\n\n\n\n\u3068\u975e\u5e38\u306b\u5927\u304d\u306a\u5024\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript>\u7fbd\u767d<\/div><\/div>\n\u529b\u306e\u5927\u304d\u3055\u306e\u30b9\u30b1\u30fc\u30eb\u304c\u5168\u304f\u7570\u306a\u308b\u70b9\u306f\u982d\u306b\u5165\u308c\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n \n \n \n \n <\/i> \u4f8b\u984c\n <\/span>\n <\/p>\n\n \n \u8cea\u91cf\u304c\u3044\u305a\u308c\u3082 $m$ \u306e2\u3064\u306e\u5c0f\u7403\u304c\u5929\u4e95\u304b\u3089\u9577\u3055 $l$ \u306e\u7cf8\u3067\u3064\u308b\u3057\u3066\u3042\u308b\u3002\u3053\u308c\u3089\u306e\u5c0f\u7403\u306b\u5927\u304d\u3055\u304c\u7b49\u3057\u3044\u6b63\u306e\u96fb\u8377\u3092\u4e0e\u3048\u308b\u3068\uff0c\u7cf8\u304c\u925b\u76f4\u65b9\u5411\u304b\u3089 $\\theta$ \u3060\u3051\u50be\u3044\u305f\u4f4d\u7f6e\u3067\u9759\u6b62\u3057\u305f\u3002\u4e0e\u3048\u305f\u96fb\u8377\u306e\u5927\u304d\u3055 $q$ \u3092\u6c42\u3081\u3088\u3002\u305f\u3060\u3057\uff0c\u91cd\u529b\u52a0\u901f\u5ea6\u306e\u5927\u304d\u3055\u3092 $g$\uff0c\u9759\u96fb\u6c17\u529b\u306e\u6bd4\u4f8b\u5b9a\u6570\u3092 $k$ \u3068\u3059\u308b\u3002<\/p><\/noscript><\/figure><\/p>\n <\/div>\n <\/div>\n\n\n\n\u89e3\u304d\u65b9<\/h3>\n\n\n\n\u5c0f\u7403\u9593\u306e\u8ddd\u96e2\u306f\uff0c$2l\\cos\\theta$ \u306a\u306e\u3067\uff0c\u4e92\u3044\u306b\u4f5c\u7528\u3059\u308b\u9759\u96fb\u6c17\u529b\u306e\u5927\u304d\u3055\u306f\uff0c<\/p>\n\n\n\n$$f=k\\bun{q^2}{(2l\\cos\\theta)^2}$$<\/p>\n\n\n\n\u3067\u3042\u308b\u3002\u3088\u3063\u3066\uff0c\u529b\u306e\u4f5c\u7528\u56f3\u306f\u6b21\u306e\u901a\u308a\u3002<\/p>\n\n\n<\/noscript><\/figure>\n\n\n\n\u5c0f\u7403\u306b\u3064\u3044\u3066\uff0c\u7cf8\u306b\u5782\u76f4\u306a\u65b9\u5411\u306e\u529b\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$mg\\sin\\theta=f\\cos\\theta$$<\/p>\n\n\n\n\u304c\u6210\u7acb\u3059\u308b\u3002\u3088\u3063\u3066\u3053\u308c\u3092\u6574\u7406\u3057\u3066\uff0c<\/p>\n\n\n\n$$q=2l\\sqrt{\\bun{mg\\sin\\theta\\cos\\theta}{k}}$$<\/p>\n","protected":false},"excerpt":{"rendered":"\u9759\u96fb\u6c17\u529b \u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247 \u7269\u7406\u57fa\u790e\u3067\uff0c\u96fb\u8377\u540c\u58eb\u304c\u9759\u96fb\u6c17\u529b\u3092\u53ca\u307c\u3057\u5408\u3046\u3053\u3068\u3092\u5b66\u7fd2\u3057\u307e\u3057\u305f\u3002 \u56f3\u306e\u3088\u3046\u306b\uff0c$q_1,\\,q_2$ \u306e\u96fb\u8377\u3092\u6301\u30642\u3064\u306e\u96fb\u8377\u304c\u8ddd\u96e2 $r$ \u3060\u3051\u9694\u3066\u3066\u304a\u304b\u308c\u3066\u3044\u308b\u3068\u304d\uff0c\u96fb\u8377\u306e\u9593 … <\/p>\n","protected":false},"author":1,"featured_media":6741,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39,23],"tags":[],"class_list":["post-6665","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-39","category-electromagnetics"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
\u6b63\u306e\u8cea\u91cf\u306e\u7269\u4f53\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u4e07\u6709\u5f15\u529b\u306f\u300c\u5f15\u529b\u300d\u306a\u306e\u306b\u5bfe\u3057\uff0c\u6b63\u306e\u96fb\u8377\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u9759\u96fb\u6c17\u529b\u306f\u300c\u65a5\u529b\u300d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u5bfe\u5fdc\u3059\u308b\u529b\u306e\u5411\u304d\u304c\u9006\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\uff01<\/p>\n\n\n\n
\u6bd4\u4f8b\u5b9a\u6570\u306e\u5024\u306f\u305d\u308c\u305e\u308c\uff0c<\/p>\n\n\n\n
$$G\\fallingdotseq 6.7\\times10^{-11},\\ k=9.0\\times10^{9}$$<\/p>\n\n\n\n
\u3067\u3059\u3002<\/p>\n\n\n\n
\u3088\u3063\u3066\uff0c$1\\m$ \u96e2\u308c\u305f $1\\kg$ \u306e\u7269\u4f53\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u4e07\u6709\u5f15\u529b\u306e\u5927\u304d\u3055\u306f\uff0c<\/p>\n\n\n\n
$$f=G=6.7\\times10^{-11}\\N$$<\/p>\n\n\n\n
\u3068\u975e\u5e38\u306b\u5c0f\u3055\u3044\u306e\u306b\u5bfe\u3057\uff0c$1\\m$ \u96e2\u308c\u305f $1\\C$ \u306e\u96fb\u8377\u540c\u58eb\u304c\u53ca\u307c\u3057\u5408\u3046\u9759\u96fb\u6c17\u529b\u306e\u5927\u304d\u3055\u306f<\/p>\n\n\n\n
$$f=k=9.0\\times10^{9}\\N$$<\/p>\n\n\n\n
\u3068\u975e\u5e38\u306b\u5927\u304d\u306a\u5024\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u529b\u306e\u5927\u304d\u3055\u306e\u30b9\u30b1\u30fc\u30eb\u304c\u5168\u304f\u7570\u306a\u308b\u70b9\u306f\u982d\u306b\u5165\u308c\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n
\n \n <\/i> \u4f8b\u984c\n <\/span>\n <\/p>\n\n \n \u8cea\u91cf\u304c\u3044\u305a\u308c\u3082 $m$ \u306e2\u3064\u306e\u5c0f\u7403\u304c\u5929\u4e95\u304b\u3089\u9577\u3055 $l$ \u306e\u7cf8\u3067\u3064\u308b\u3057\u3066\u3042\u308b\u3002\u3053\u308c\u3089\u306e\u5c0f\u7403\u306b\u5927\u304d\u3055\u304c\u7b49\u3057\u3044\u6b63\u306e\u96fb\u8377\u3092\u4e0e\u3048\u308b\u3068\uff0c\u7cf8\u304c\u925b\u76f4\u65b9\u5411\u304b\u3089 $\\theta$ \u3060\u3051\u50be\u3044\u305f\u4f4d\u7f6e\u3067\u9759\u6b62\u3057\u305f\u3002\u4e0e\u3048\u305f\u96fb\u8377\u306e\u5927\u304d\u3055 $q$ \u3092\u6c42\u3081\u3088\u3002\u305f\u3060\u3057\uff0c\u91cd\u529b\u52a0\u901f\u5ea6\u306e\u5927\u304d\u3055\u3092 $g$\uff0c\u9759\u96fb\u6c17\u529b\u306e\u6bd4\u4f8b\u5b9a\u6570\u3092 $k$ \u3068\u3059\u308b\u3002<\/p><\/noscript><\/figure><\/p>\n <\/div>\n <\/div>\n\n\n\n\u89e3\u304d\u65b9<\/h3>\n\n\n\n\u5c0f\u7403\u9593\u306e\u8ddd\u96e2\u306f\uff0c$2l\\cos\\theta$ \u306a\u306e\u3067\uff0c\u4e92\u3044\u306b\u4f5c\u7528\u3059\u308b\u9759\u96fb\u6c17\u529b\u306e\u5927\u304d\u3055\u306f\uff0c<\/p>\n\n\n\n$$f=k\\bun{q^2}{(2l\\cos\\theta)^2}$$<\/p>\n\n\n\n\u3067\u3042\u308b\u3002\u3088\u3063\u3066\uff0c\u529b\u306e\u4f5c\u7528\u56f3\u306f\u6b21\u306e\u901a\u308a\u3002<\/p>\n\n\n<\/noscript><\/figure>\n\n\n\n\u5c0f\u7403\u306b\u3064\u3044\u3066\uff0c\u7cf8\u306b\u5782\u76f4\u306a\u65b9\u5411\u306e\u529b\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$mg\\sin\\theta=f\\cos\\theta$$<\/p>\n\n\n\n\u304c\u6210\u7acb\u3059\u308b\u3002\u3088\u3063\u3066\u3053\u308c\u3092\u6574\u7406\u3057\u3066\uff0c<\/p>\n\n\n\n$$q=2l\\sqrt{\\bun{mg\\sin\\theta\\cos\\theta}{k}}$$<\/p>\n","protected":false},"excerpt":{"rendered":"\u9759\u96fb\u6c17\u529b \u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247 \u7269\u7406\u57fa\u790e\u3067\uff0c\u96fb\u8377\u540c\u58eb\u304c\u9759\u96fb\u6c17\u529b\u3092\u53ca\u307c\u3057\u5408\u3046\u3053\u3068\u3092\u5b66\u7fd2\u3057\u307e\u3057\u305f\u3002 \u56f3\u306e\u3088\u3046\u306b\uff0c$q_1,\\,q_2$ \u306e\u96fb\u8377\u3092\u6301\u30642\u3064\u306e\u96fb\u8377\u304c\u8ddd\u96e2 $r$ \u3060\u3051\u9694\u3066\u3066\u304a\u304b\u308c\u3066\u3044\u308b\u3068\u304d\uff0c\u96fb\u8377\u306e\u9593 … <\/p>\n","protected":false},"author":1,"featured_media":6741,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39,23],"tags":[],"class_list":["post-6665","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-39","category-electromagnetics"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
\u8cea\u91cf\u304c\u3044\u305a\u308c\u3082 $m$ \u306e2\u3064\u306e\u5c0f\u7403\u304c\u5929\u4e95\u304b\u3089\u9577\u3055 $l$ \u306e\u7cf8\u3067\u3064\u308b\u3057\u3066\u3042\u308b\u3002\u3053\u308c\u3089\u306e\u5c0f\u7403\u306b\u5927\u304d\u3055\u304c\u7b49\u3057\u3044\u6b63\u306e\u96fb\u8377\u3092\u4e0e\u3048\u308b\u3068\uff0c\u7cf8\u304c\u925b\u76f4\u65b9\u5411\u304b\u3089 $\\theta$ \u3060\u3051\u50be\u3044\u305f\u4f4d\u7f6e\u3067\u9759\u6b62\u3057\u305f\u3002\u4e0e\u3048\u305f\u96fb\u8377\u306e\u5927\u304d\u3055 $q$ \u3092\u6c42\u3081\u3088\u3002\u305f\u3060\u3057\uff0c\u91cd\u529b\u52a0\u901f\u5ea6\u306e\u5927\u304d\u3055\u3092 $g$\uff0c\u9759\u96fb\u6c17\u529b\u306e\u6bd4\u4f8b\u5b9a\u6570\u3092 $k$ \u3068\u3059\u308b\u3002<\/p>
<\/noscript><\/figure><\/p>\n <\/div>\n <\/div>\n\n\n\n\u89e3\u304d\u65b9<\/h3>\n\n\n\n\u5c0f\u7403\u9593\u306e\u8ddd\u96e2\u306f\uff0c$2l\\cos\\theta$ \u306a\u306e\u3067\uff0c\u4e92\u3044\u306b\u4f5c\u7528\u3059\u308b\u9759\u96fb\u6c17\u529b\u306e\u5927\u304d\u3055\u306f\uff0c<\/p>\n\n\n\n$$f=k\\bun{q^2}{(2l\\cos\\theta)^2}$$<\/p>\n\n\n\n\u3067\u3042\u308b\u3002\u3088\u3063\u3066\uff0c\u529b\u306e\u4f5c\u7528\u56f3\u306f\u6b21\u306e\u901a\u308a\u3002<\/p>\n\n\n<\/noscript><\/figure>\n\n\n\n\u5c0f\u7403\u306b\u3064\u3044\u3066\uff0c\u7cf8\u306b\u5782\u76f4\u306a\u65b9\u5411\u306e\u529b\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$mg\\sin\\theta=f\\cos\\theta$$<\/p>\n\n\n\n\u304c\u6210\u7acb\u3059\u308b\u3002\u3088\u3063\u3066\u3053\u308c\u3092\u6574\u7406\u3057\u3066\uff0c<\/p>\n\n\n\n$$q=2l\\sqrt{\\bun{mg\\sin\\theta\\cos\\theta}{k}}$$<\/p>\n","protected":false},"excerpt":{"rendered":"\u9759\u96fb\u6c17\u529b \u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247 \u7269\u7406\u57fa\u790e\u3067\uff0c\u96fb\u8377\u540c\u58eb\u304c\u9759\u96fb\u6c17\u529b\u3092\u53ca\u307c\u3057\u5408\u3046\u3053\u3068\u3092\u5b66\u7fd2\u3057\u307e\u3057\u305f\u3002 \u56f3\u306e\u3088\u3046\u306b\uff0c$q_1,\\,q_2$ \u306e\u96fb\u8377\u3092\u6301\u30642\u3064\u306e\u96fb\u8377\u304c\u8ddd\u96e2 $r$ \u3060\u3051\u9694\u3066\u3066\u304a\u304b\u308c\u3066\u3044\u308b\u3068\u304d\uff0c\u96fb\u8377\u306e\u9593 … <\/p>\n","protected":false},"author":1,"featured_media":6741,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39,23],"tags":[],"class_list":["post-6665","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-39","category-electromagnetics"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
\u5c0f\u7403\u9593\u306e\u8ddd\u96e2\u306f\uff0c$2l\\cos\\theta$ \u306a\u306e\u3067\uff0c\u4e92\u3044\u306b\u4f5c\u7528\u3059\u308b\u9759\u96fb\u6c17\u529b\u306e\u5927\u304d\u3055\u306f\uff0c<\/p>\n\n\n\n
$$f=k\\bun{q^2}{(2l\\cos\\theta)^2}$$<\/p>\n\n\n\n
\u3067\u3042\u308b\u3002\u3088\u3063\u3066\uff0c\u529b\u306e\u4f5c\u7528\u56f3\u306f\u6b21\u306e\u901a\u308a\u3002<\/p>\n\n\n<\/noscript><\/figure>\n\n\n\n\u5c0f\u7403\u306b\u3064\u3044\u3066\uff0c\u7cf8\u306b\u5782\u76f4\u306a\u65b9\u5411\u306e\u529b\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n$$mg\\sin\\theta=f\\cos\\theta$$<\/p>\n\n\n\n\u304c\u6210\u7acb\u3059\u308b\u3002\u3088\u3063\u3066\u3053\u308c\u3092\u6574\u7406\u3057\u3066\uff0c<\/p>\n\n\n\n$$q=2l\\sqrt{\\bun{mg\\sin\\theta\\cos\\theta}{k}}$$<\/p>\n","protected":false},"excerpt":{"rendered":"\u9759\u96fb\u6c17\u529b \u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247 \u7269\u7406\u57fa\u790e\u3067\uff0c\u96fb\u8377\u540c\u58eb\u304c\u9759\u96fb\u6c17\u529b\u3092\u53ca\u307c\u3057\u5408\u3046\u3053\u3068\u3092\u5b66\u7fd2\u3057\u307e\u3057\u305f\u3002 \u56f3\u306e\u3088\u3046\u306b\uff0c$q_1,\\,q_2$ \u306e\u96fb\u8377\u3092\u6301\u30642\u3064\u306e\u96fb\u8377\u304c\u8ddd\u96e2 $r$ \u3060\u3051\u9694\u3066\u3066\u304a\u304b\u308c\u3066\u3044\u308b\u3068\u304d\uff0c\u96fb\u8377\u306e\u9593 … <\/p>\n","protected":false},"author":1,"featured_media":6741,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39,23],"tags":[],"class_list":["post-6665","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-39","category-electromagnetics"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
\u5c0f\u7403\u306b\u3064\u3044\u3066\uff0c\u7cf8\u306b\u5782\u76f4\u306a\u65b9\u5411\u306e\u529b\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n
$$mg\\sin\\theta=f\\cos\\theta$$<\/p>\n\n\n\n
\u304c\u6210\u7acb\u3059\u308b\u3002\u3088\u3063\u3066\u3053\u308c\u3092\u6574\u7406\u3057\u3066\uff0c<\/p>\n\n\n\n
$$q=2l\\sqrt{\\bun{mg\\sin\\theta\\cos\\theta}{k}}$$<\/p>\n","protected":false},"excerpt":{"rendered":"
\u9759\u96fb\u6c17\u529b \u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247 \u7269\u7406\u57fa\u790e\u3067\uff0c\u96fb\u8377\u540c\u58eb\u304c\u9759\u96fb\u6c17\u529b\u3092\u53ca\u307c\u3057\u5408\u3046\u3053\u3068\u3092\u5b66\u7fd2\u3057\u307e\u3057\u305f\u3002 \u56f3\u306e\u3088\u3046\u306b\uff0c$q_1,\\,q_2$ \u306e\u96fb\u8377\u3092\u6301\u30642\u3064\u306e\u96fb\u8377\u304c\u8ddd\u96e2 $r$ \u3060\u3051\u9694\u3066\u3066\u304a\u304b\u308c\u3066\u3044\u308b\u3068\u304d\uff0c\u96fb\u8377\u306e\u9593 … <\/p>\n","protected":false},"author":1,"featured_media":6741,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39,23],"tags":[],"class_list":["post-6665","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-39","category-electromagnetics"],"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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