{"id":4835,"date":"2024-02-07T17:54:28","date_gmt":"2024-02-07T08:54:28","guid":{"rendered":"https:\/\/torisetudy.com\/?p=4835"},"modified":"2025-04-03T00:58:15","modified_gmt":"2025-04-02T15:58:15","slug":"%e9%87%8d%e5%bf%83","status":"publish","type":"post","link":"https:\/\/torisetudy.com\/?p=4835","title":{"rendered":"\u91cd\u5fc3"},"content":{"rendered":"\n<div id=\"toc_container\" class=\"no_bullets\"><p class=\"toc_title\">\u76ee\u6b21<\/p><ul class=\"toc_list\"><li><a href=\"#i\"><span class=\"toc_number toc_depth_1\">1<\/span> \u525b\u4f53\u306e\u91cd\u5fc3<\/a><\/li><li><a href=\"#2\"><span class=\"toc_number toc_depth_1\">2<\/span> 2\u7269\u4f53\u306e\u91cd\u5fc3<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">3<\/span> \u525b\u4f53\u306e\u91cd\u5fc3\u306e\u6c42\u3081\u65b9<\/a><\/li><\/ul><\/div>\n<h2 class=\"wp-block-heading\"><span id=\"i\">\u525b\u4f53\u306e\u91cd\u5fc3<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u91cd\u5fc3\u3068\u306f<\/h3>\n\n\n\n<p>\u3053\u308c\u307e\u3067\u306b\u6271\u3063\u3066\u304d\u305f\u8cea\u70b9\u306e\u529b\u306e\u4f5c\u7528\u56f3\u3067\u306f\uff0c\u91cd\u529b\u306f\u300c\u925b\u76f4\u4e0b\u5411\u304d\u306b $mg$\u300d\u3068\u3059\u3093\u306a\u308a\u304b\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u304c\uff0c\u525b\u4f53\u306e\u5834\u5408\u306f\u3069\u3046\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n<p>\u300c\u925b\u76f4\u4e0b\u5411\u304d\u306b $mg$\u300d\u3067\u3042\u308b\u3053\u3068\u306f\u78ba\u304b\u306a\u306e\u3067\u3059\u304c\uff0c\u4f5c\u7528\u70b9\u3092\u8003\u3048\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u91cd\u529b\u306e\u4f5c\u7528\u70b9\u306e\u3053\u3068\u3092<span class=\"st-mymarker-s-b\"><span class=\"st-mymarker-s\">\u91cd\u5fc3<\/span><\/span>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-st-blocks-my-box st-mybox has-title post-hashiro-point\" style=\"background-color:#fff;border-color:#ff7f50\"><p class=\"st-mybox-title\" style=\"color:#ff7f50;font-weight:bold;text-shadow:#fff 3px 0px 0px, #fff 2.83487px .981584px 0px, #fff 2.35766px 1.85511px 0px, #fff 1.62091px 2.52441px 0px, #fff .705713px 2.91581px 0px, #fff -0.287171px 2.98622px 0px, #fff -1.24844px 2.72789px 0px, #fff -2.07227px 2.16926px 0px, #fff -2.66798px 1.37182px 0px, #fff -2.96998px .42336px 0px, #fff -2.94502px -0.571704px 0px, #fff -2.59586px -1.50383px 0px, #fff -1.96093px -2.27041px 0px, #fff -1.11013px -2.78704px 0px, #fff -0.137119px -2.99686px 0px, #fff .850987px -2.87677px 0px, #fff 1.74541px -2.43999px 0px, #fff 2.44769px -1.73459px 0px, #fff 2.88051px -0.838246px 0px;background:linear-gradient(0deg, #fff 0%, #fff 55%, rgba(0, 0, 0, 0) 55%, rgba(0, 0, 0, 0) 100%)\"><i class=\"st-fa st-svg-lightbulb-o st-css-no\" aria-hidden=\"\"><\/i>\u525b\u4f53\u306b\u4f5c\u7528\u3059\u308b\u91cd\u529b<\/p><div class=\"st-in-mybox\">\n<p class=\"has-st-margin-bottom has-st-margin-bottom--1\">\u525b\u4f53\u306b\u4f5c\u7528\u3059\u308b\u91cd\u529b\u306e\u4f5c\u7528\u70b9\u306f\uff0c\u525b\u4f53\u306e\u91cd\u5fc3\u3068\u3057\u3066\u8003\u3048\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u91cd\u5fc3\u3092\u6c42\u3081\u308b\u305f\u3081\u306b<\/h3>\n\n\n\n<p>\u525b\u4f53\u306e\u91cd\u5fc3\u3092\u6c42\u3081\u308b\u305f\u3081\u306b\uff0c\u8cea\u91cf\u304c $m$ \u306e\u525b\u4f53\u3092 $n$ \u500b\u306e\u5c0f\u3055\u306a\u90e8\u5206\u306b\u5206\u5272\u3057\u3066\u8003\u3048\u307e\u3059\uff08\u305d\u308c\u305e\u308c\u304c\u8cea\u70b9\u3068\u307f\u306a\u305b\u308b\u304f\u3089\u3044\u5c0f\u3055\u304f\uff01\uff09\u3002<\/p>\n\n\n\n<p>\u305d\u308c\u305e\u308c\u306e\u8cea\u91cf\u3092 $m_1,\\,m_2,\\,\\ldots m_n$ \u3068\u3059\u308b\u3068\uff0c<\/p>\n\n\n\n<p>$$m=m_1+m_2+\\cdots m_n$$\u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u3053\u306e $n$ \u500b\u305d\u308c\u305e\u308c\u306e\u300c\u30d1\u30fc\u30c4\u300d\u306b\u50cd\u304f\u91cd\u529b\u306e\u5408\u529b\u304c\uff0c\u525b\u4f53\u306b\u50cd\u304f\u91cd\u529b\u3068\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u3053\u3067\uff0c1\u30641\u3064\u306e\u91cd\u529b\u3092\u5408\u6210\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u3044\u304d\u306a\u308a $n$ \u500b\u3060\u3068\u982d\u304c\u30d1\u30f3\u30af\u3057\u3066\u3057\u307e\u3046\u306e\u3067\uff0c\u307e\u305a\u306f2\u3064\u306e\u30d1\u30fc\u30c4\u3067\u8003\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"2\">2\u7269\u4f53\u306e\u91cd\u5fc3<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u91cd\u529b\u306e\u4f5c\u7528\u70b9\u3092\u8003\u3048\u308b<\/h3>\n\n\n\n<p>\u56f3\u306e\u3088\u3046\u306b\uff0c\u8cea\u91cf $m_1,\\,m_2$ \u306e\u7269\u4f53\u304c\u305d\u308c\u305e\u308c $x$ \u8ef8\u4e0a\u306e $x=x_1,\\,x_2$ \u306e\u4f4d\u7f6e\u306b\u3042\u308b\u3082\u306e\u3068\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"170\" height=\"94\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406596.svg\" alt=\"\" class=\"wp-image-4649\"\/><noscript><img decoding=\"async\" width=\"170\" height=\"94\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406596.svg\" alt=\"\" class=\"wp-image-4649\"\/><\/noscript><\/figure>\n\n\n\n<p>\u3053\u306e\u3068\u304d\uff0c\u305d\u308c\u305e\u308c\u306e\u7269\u4f53\u306b\u4f5c\u7528\u3059\u308b\u91cd\u529b\u306e\u5408\u529b\u306f\uff0c\u5927\u304d\u3055\u304c $(m_1+m_2)g$ \u3067\u3042\u308a\uff0c2\u7269\u4f53\u9593\u3092 $m_2g:m_1g=m_2:m_1$ \u306b\u5185\u5206\u3059\u308b\u70b9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u70b9\u306e\u5ea7\u6a19\u3092 $x\\SUB{G}$ \u3068\u3059\u308b\u3068\uff0c\u5185\u5206\u70b9\u306e\u516c\u5f0f\u304b\u3089\uff0c<\/p>\n\n\n\n<p>$$x\\SUB{G}=\\Bun{m_1x_1+m_2x_2}{m_1+m_2}$$\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u70b9\u304c2\u7269\u4f53\u306e\u91cd\u5fc3\u306e\u5ea7\u6a19\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u3053\u306e\uff0c2\u7269\u4f53\u306e\u91cd\u5fc3 $x\\SUB{G}$ \u306b $(m_1+m_2)g$ \u306e\u91cd\u529b\u304c\u4f5c\u7528\u3057\u3066\u3044\u308b\u72b6\u6cc1\u306f\uff0c\u306f\u3058\u3081\u304b\u3089 $x\\SUB{G}$ \u306e\u4f4d\u7f6e\u306b\u8cea\u91cf\u304c $m_1+m_2$ \u306e1\u3064\u306e\u7269\u4f53\u304c\u5b58\u5728\u3057\u3066\u3044\u305f\u5834\u5408\u3068\u540c\u3058\u72b6\u6cc1\u3068\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"370\" height=\"109\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406597.svg\" alt=\"\" class=\"wp-image-4650\"\/><noscript><img decoding=\"async\" width=\"370\" height=\"109\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406597.svg\" alt=\"\" class=\"wp-image-4650\"\/><\/noscript><\/figure>\n\n\n\n<p>\u306a\u304a\uff0c\u5b9f\u969b\u306b\u306f3\u6b21\u5143\u7a7a\u9593\u3067\u8003\u3048\u308b\u305f\u3081\uff0c$y$ \u5ea7\u6a19\u3084 $z$ \u5ea7\u6a19\u3082\u8003\u3048\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u306e\u3067\u3059\u304c\uff0c\u540c\u69d8\u306e\u5f0f\u3067\u8a08\u7b97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-st-blocks-my-box st-mybox has-title post-hashiro-point\" style=\"background-color:#fff;border-color:#ff7f50\"><p class=\"st-mybox-title\" style=\"color:#ff7f50;font-weight:bold;text-shadow:#fff 3px 0px 0px, #fff 2.83487px .981584px 0px, #fff 2.35766px 1.85511px 0px, #fff 1.62091px 2.52441px 0px, #fff .705713px 2.91581px 0px, #fff -0.287171px 2.98622px 0px, #fff -1.24844px 2.72789px 0px, #fff -2.07227px 2.16926px 0px, #fff -2.66798px 1.37182px 0px, #fff -2.96998px .42336px 0px, #fff -2.94502px -0.571704px 0px, #fff -2.59586px -1.50383px 0px, #fff -1.96093px -2.27041px 0px, #fff -1.11013px -2.78704px 0px, #fff -0.137119px -2.99686px 0px, #fff .850987px -2.87677px 0px, #fff 1.74541px -2.43999px 0px, #fff 2.44769px -1.73459px 0px, #fff 2.88051px -0.838246px 0px;background:linear-gradient(0deg, #fff 0%, #fff 55%, rgba(0, 0, 0, 0) 55%, rgba(0, 0, 0, 0) 100%)\"><i class=\"st-fa st-svg-lightbulb-o st-css-no\" aria-hidden=\"\"><\/i>2\u7269\u4f53\u306e\u91cd\u5fc3<\/p><div class=\"st-in-mybox\">\n<p class=\"has-st-margin-bottom has-st-margin-bottom--1\">\u8cea\u91cf\u304c\u305d\u308c\u305e\u308c $m_1,\\,m_2$ \u306e\u7269\u4f53\u304c $x=x_1,\\,x_2$ \u306e\u4f4d\u7f6e\u306b\u5b58\u5728\u3059\u308b\u3068\u304d\uff0c2\u7269\u4f53\u306e\u91cd\u5fc3\u306e\u5ea7\u6a19\u306f\uff0c$x\\SUB{G}=\\Bun{m_1x_1+m_2x_2}{m_1+m_2}$ \u3068\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-2\">\u525b\u4f53\u306e\u91cd\u5fc3\u306e\u6c42\u3081\u65b9<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">$n$ \u500b\u3078\u306e\u62e1\u5f35<\/h3>\n\n\n\n<p>2\u7269\u4f53\u306e\u91cd\u5fc3\u306e\u6c42\u3081\u65b9\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u306e\u3067\uff0c$n$ \u500b\u306e\u7269\u4f53\u306e\u91cd\u5fc3\u3092\u6c42\u3081\u308b\u306b\u3042\u305f\u3063\u3066\u306f\u3053\u308c\u3092\u7e70\u308a\u8fd4\u3057\u3066\u3044\u3051\u3070ok\u3067\u3059\u3002<\/p>\n\n\n\n<p>2\u7269\u4f53\u306e\u91cd\u5fc3\u3092\u8003\u3048\u308b\u3053\u3068\u3067\uff0c\u8cea\u91cf $m_1+m_2$ \u306e\u7269\u4f53\u304c $x=\\Bun{m_1x_1+m_2x_2}{m_1+m_2}$ \u306e\u4f4d\u7f6e\u306b\u3042\u308b\u72b6\u6cc1\u3068\u3057\u3066\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon1 clearfix\"><div class=\"st-kaiwa-face\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name\">\u7fbd\u767d<\/div><\/div><div class=\"st-kaiwa-area\"><div class=\"st-kaiwa-hukidashi\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u3053\u306e\u7269\u4f53\u3068\uff0c3\u756a\u76ee\u306e\u30d1\u30fc\u30c4\u306e\u91cd\u5fc3\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>3\u756a\u76ee\u306e\u30d1\u30fc\u30c4\u306f\u8cea\u91cf\u304c $m_3$ \u3067\u3042\u308a\uff0c$x=x_3$ \u306e\u4f4d\u7f6e\u306b\u3042\u308b\u3082\u306e\u3068\u3059\u308c\u3070\uff0c\u305d\u306e\u91cd\u5fc3\u306e\u5ea7\u6a19\u306f\uff0c<\/p>\n\n\n\n<p>$$\\begin{aligned}x\\SUB{G}&#8217;&amp;=\\bun{(m_1+m_2)\\left(\\bun{m_1x_1+m_2x_2}{m_1+m_2}\\right)+m_3x_3}{(m_1+m_2)+m_3}\\\\[12pt]&amp;=\\bun{m_1x_1+m_2x_2+m_3x_3}{m_1+m_2+m_3}\\end{aligned}$$\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e $x=x\\SUB{G}&#8217;$ \u306e\u4f4d\u7f6e\u306b\uff0c$m_1+m_2+m_3$ \u306e\u8cea\u91cf\u306e\u7269\u4f53\u304c\u3042\u308b\u3082\u306e\u3068\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"364\" height=\"127\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2024\/02\/\u7269\u7406598.svg\" alt=\"\" class=\"wp-image-4837\"\/><noscript><img decoding=\"async\" width=\"364\" height=\"127\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2024\/02\/\u7269\u7406598.svg\" alt=\"\" class=\"wp-image-4837\"\/><\/noscript><\/figure>\n\n\n\n<p>4\u756a\u76ee\u4ee5\u964d\u306e\u30d1\u30fc\u30c4\u3082\u540c\u69d8\u306b\u307e\u3068\u3081\u3066\u3044\u304f\u3053\u3068\u3067\uff0c$n$ \u500b\u306e\u30d1\u30fc\u30c4\u5168\u4f53\u306e\u91cd\u5fc3\u306e\u4f4d\u7f6e\u304c\uff0c<\/p>\n\n\n\n<p>$$x=\\Bun{m_1x_1+m_2x_2+\\cdots m_nx_n}{m_1+m_2+\\cdots m_n}$$\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>$y$ \u5ea7\u6a19\uff0c$z$ \u5ea7\u6a19\u3082\u540c\u69d8\u306b\u8003\u3048\u308b\u3068\uff0c\u307e\u3068\u3081\u3066\u8868\u8a18\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u5404\u30d1\u30fc\u30c4\u306e\u4f4d\u7f6e\u30d9\u30af\u30c8\u30eb\u3092 $\\vec{r_1},\\,\\vec{r_2},\\,\\ldots,\\,\\vec{r_n}$ \u3068\u3059\u308b\u3068\uff0c\u5168\u4f53\u306e\u91cd\u5fc3\u306e\u5ea7\u6a19\u306f\uff0c<\/p>\n\n\n\n<p>$$\\vec{r\\SUB{G}}=\\Bun{m_1\\vec{r_1}+m_2\\vec{r_2}+\\cdots+m_n\\vec{r_n}}{m_1+m_2+\\cdots+m_n}$$\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u91cd\u529b\u306e\u5408\u529b\u306e\u5927\u304d\u3055\u306f\uff0c$(m_1+m_2+\\cdots+m_n)g=mg$ \u3067\u3059\u306e\u3067\uff0c\u3053\u306e\u91cd\u5fc3\u306b\u525b\u4f53\u306e\u91cd\u529b $mg$ \u304c\u304b\u304b\u308b\u3068\u8003\u3048\u3066\u3088\u3044\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5177\u4f53\u4f8b\u306e\u78ba\u8a8d<\/h3>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon1 clearfix\"><div class=\"st-kaiwa-face\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name\">\u7fbd\u767d<\/div><\/div><div class=\"st-kaiwa-area\"><div class=\"st-kaiwa-hukidashi\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u300c\u3053\u3093\u306a\u30e1\u30f3\u30c9\u30a6\u306a\u8a08\u7b97\uff0c\u3084\u3063\u3066\u3089\u308c\u306a\u3044\uff01\u300d\u3068\u601d\u3063\u305f\u7686\u3055\u3093\uff0c\u5b89\u5fc3\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u91cd\u5fc3\u306f\u300c\u7269\u4f53\u306e\u4ee3\u8868\u70b9\u300d\u3067\u3042\u308a\uff0c\u76f4\u611f\u7684\u306b\u308f\u304b\u308b\u3053\u3068\u304c\u5927\u534a\u3067\u3059\u3002\u305f\u3068\u3048\u3070\uff0c\u5186\u76e4\u306e\u91cd\u5fc3\u306f\u5186\u76e4\u306e\u4e2d\u5fc3\u306b\u306a\u308a\u307e\u3059\u3057\uff0c\u68d2\u306e\u91cd\u5fc3\u3082\u68d2\u306e\u4e2d\u5fc3\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-st-blocks-midashi-box freebox has-title post-hashiro-reidai\" style=\"background-color:#f7f7fb;border-width:3px;border-color:#a3bded\"><p class=\"p-free\" style=\"border-color:#a3bded;font-weight:bold\"><span class=\"p-entry-f\" style=\"color:#ffffff;font-weight:bold;background-color:#a3bded\"><i class=\"st-fa st-svg-pencil st-css-no\" aria-hidden=\"\"><\/i>\u4f8b\u984c<\/span><\/p><div class=\"free-inbox\">\n<p>\u9577\u3055\u304c $l$\uff0c\u8cea\u91cf\u304c $M$ \u306e\u592a\u3055\u304c\u4e00\u69d8\u3067\u306a\u3044\u68d2\u304c\u3042\u308b\u3002\u3053\u306e\u68d2\u306e\u53f3\u7aef\u3067\u3042\u308b $\\rmA$ \u70b9\u306b\u925b\u76f4\u4e0a\u5411\u304d\u306e\u529b\u3092\u52a0\u3048\u305f\u3068\u3053\u308d\uff0c\u5927\u304d\u3055\u304c $F$ \u306b\u306a\u3063\u305f\u3068\u3053\u308d\u3067 $\\rmA$ \u70b9\u304c\u5730\u9762\u304b\u3089\u96e2\u308c\u305f\u3002\u68d2\u306e\u5de6\u7aef\u304b\u3089\u91cd\u5fc3\u307e\u3067\u306e\u8ddd\u96e2\u3092\u6c42\u3081\u3088\u3002\u305f\u3060\u3057\uff0c\u91cd\u529b\u52a0\u901f\u5ea6\u306e\u5927\u304d\u3055\u3092 $g$ \u3068\u3059\u308b\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"172\" height=\"85\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2024\/02\/\u7269\u7406599.svg\" alt=\"\" class=\"wp-image-4844\"\/><noscript><img decoding=\"async\" width=\"172\" height=\"85\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2024\/02\/\u7269\u7406599.svg\" alt=\"\" class=\"wp-image-4844\"\/><\/noscript><\/figure>\n<\/div><\/div>\n\n\n\n<p>\u592a\u3055\u3082\u7d20\u6750\u3082\u4e00\u69d8\u306a\u68d2\u3067\u3042\u308c\u3070\uff0c\u91cd\u5fc3\u306f\u68d2\u306e\u4e2d\u5fc3\u3068\u306a\u308a\u307e\u3059\u3002\u4eca\u56de\u306f\u592a\u3055\u304c\u4e00\u69d8\u3067\u306f\u306a\u3044\u68d2\u3067\u8003\u3048\u3066\u3044\u308b\u305f\u3081\uff0c\u91cd\u5fc3\u306e\u4f4d\u7f6e\u306f\u68d2\u306e\u4e2d\u5fc3\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<div class=\"wp-block-group post-hashiro-reidaikaitou\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p>\u68d2\u306e\u5de6\u7aef\u304b\u3089\u91cd\u5fc3\u307e\u3067\u306e\u8ddd\u96e2\u3092 $L$ \u3068\u3059\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"172\" height=\"110\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2024\/02\/\u7269\u7406600.svg\" alt=\"\" class=\"wp-image-4842\"\/><noscript><img decoding=\"async\" width=\"172\" height=\"110\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2024\/02\/\u7269\u7406600.svg\" alt=\"\" class=\"wp-image-4842\"\/><\/noscript><\/figure>\n\n\n\n<p>\u68d2\u306e\u5de6\u7aef\u307e\u308f\u308a\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u3064\u308a\u5408\u3044\u3088\u308a\uff0c<\/p>\n\n\n\n<p>$$Fl=MgL$$\u304c\u6210\u308a\u7acb\u3064\u3002\u3053\u308c\u3092\u6574\u7406\u3057\u3066\uff0c$L=\\bun{F}{Mg}l$<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-st-blocks-memo clip-memobox has-icon-label post-hashiro-tyuu\" style=\"color:#808080;background-color:#f5f5f5\"><div class=\"clip-fonticon\" style=\"color:#919191;border-color:#9191914d\"><i class=\"st-fa st-svg-exclamation-circle st-css-no\" data-icon-label=\"\u6ce8\" aria-hidden=\"\"><\/i><\/div><div class=\"clip-memotext\" style=\"color:#808080\">\n<p class=\"has-st-icon has-st-icon-exclamation-circle\">\u529b\u306e\u3064\u308a\u5408\u3044\u3092\u8003\u3048\u308b\u306b\u3042\u305f\u3063\u3066\u306f\uff0c\u68d2\u306e\u5de6\u7aef\u306b\u304a\u3044\u3066\u4f5c\u7528\u3059\u308b\u5782\u76f4\u6297\u529b\u3092\u8003\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u3053\u306e\u5782\u76f4\u6297\u529b\u306e\uff0c\u68d2\u306e\u5de6\u7aef\u307e\u308f\u308a\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f $0$ \u3068\u306a\u308b\u305f\u3081\uff0c\u89e3\u7b54\u306e\u529b\u306e\u4f5c\u7528\u56f3\u306b\u304a\u3044\u3066\u306f\u7701\u7565\u3057\u305f\u3002<\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u6b211 \u525b\u4f53\u306e\u91cd\u5fc32 2\u7269\u4f53\u306e\u91cd\u5fc33 \u525b\u4f53\u306e\u91cd\u5fc3\u306e\u6c42\u3081\u65b9 \u525b\u4f53\u306e\u91cd\u5fc3 \u91cd\u5fc3\u3068\u306f \u3053\u308c\u307e\u3067\u306b\u6271\u3063\u3066\u304d\u305f\u8cea\u70b9\u306e\u529b\u306e\u4f5c\u7528\u56f3\u3067\u306f\uff0c\u91cd\u529b\u306f\u300c\u925b\u76f4\u4e0b\u5411\u304d\u306b $mg$\u300d\u3068\u3059\u3093\u306a\u308a\u304b\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u304c\uff0c\u525b\u4f53\u306e\u5834\u5408\u306f &#8230; <\/p>\n","protected":false},"author":1,"featured_media":4832,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,39],"tags":[],"class_list":["post-4835","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dynamics","category-39"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/4835"}],"collection":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4835"}],"version-history":[{"count":7,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/4835\/revisions"}],"predecessor-version":[{"id":4845,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/4835\/revisions\/4845"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/media\/4832"}],"wp:attachment":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4835"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4835"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}