{"id":4215,"date":"2023-02-15T22:59:57","date_gmt":"2023-02-15T13:59:57","guid":{"rendered":"https:\/\/torisetudy.com\/?p=4215"},"modified":"2025-04-03T02:32:10","modified_gmt":"2025-04-02T17:32:10","slug":"%e7%b3%bb%e3%81%ae%e3%82%a8%e3%83%8d%e3%83%ab%e3%82%ae%e3%83%bc%e4%bf%9d%e5%ad%98%e5%89%87","status":"publish","type":"post","link":"https:\/\/torisetudy.com\/?p=4215","title":{"rendered":"\u7cfb\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u4fdd\u5b58\u5247"},"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> \u7cfb\u3067\u8003\u3048\u308b\u30a8\u30cd\u30eb\u30ae\u30fc\u4fdd\u5b58\u5247<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">2<\/span> \u7b49\u52a0\u901f\u5ea6\u904b\u52d5\u3068\u3057\u3066\u8003\u3048\u308b\u3068<\/a><\/li><\/ul><\/div>\n<h2 class=\"wp-block-heading\"><span id=\"i\">\u7cfb\u3067\u8003\u3048\u308b\u30a8\u30cd\u30eb\u30ae\u30fc\u4fdd\u5b58\u5247<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u7cfb\u3068\u306f<\/h3>\n\n\n\n<p>\u30a8\u30cd\u30eb\u30ae\u30fc\u4fdd\u5b58\u5247\u306f\u7269\u4f53\u3054\u3068\u306b\u8003\u3048\u308b\u306e\u304c\u57fa\u672c\u3067\u3059\u304c\uff0c\u8907\u6570\u306e\u7269\u4f53\u3092\u307e\u3068\u3081\u3066\u8003\u3048\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8907\u6570\u306e\u7269\u4f53\u306e\u307e\u3068\u307e\u308a\u306f<span class=\"st-mymarker-s\">\u7269\u4f53\u7cfb<\/span>\uff08\u3042\u308b\u3044\u306f\u5358\u306b<span class=\"st-mymarker-s\">\u7cfb<\/span>\uff09\u3068\u547c\u3070\u308c\u307e\u3059\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>\u4ee5\u4e0b\u306e\u554f\u984c\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u7269\u7406\u57fa\u790e\u306e\u6f14\u7fd2\u554f\u984c\u3067\u6271\u3063\u305f\u554f\u984c\u3068\u540c\u3058\u3082\u306e\u3067\u3059\u3002<\/p>\n<\/div><\/div><\/div><\/div>\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>\u8cea\u91cf\u304c $m$ \u306e\u7269\u4f53A\u3068\uff0c\u8cea\u91cf\u304c $M$ \u306e\u7269\u4f53B\u304c\uff0c\u6ed1\u3089\u304b\u306a\u6ed1\u8eca\u3092\u4ecb\u3057\u3066\u3064\u306a\u304c\u308c\u3066\u3044\u308b\u3002\u306f\u3058\u3081\uff0c2\u3064\u306e\u7269\u4f53\u306f\u3044\u305a\u308c\u3082\u5730\u9762\u304b\u3089\u306e\u9ad8\u3055\u304c $h$ \u306e\u4f4d\u7f6e\u3067\u9759\u6b62\u3057\u3066\u3044\u305f\u30022\u7269\u4f53\u304b\u3089\u540c\u6642\u306b\u305d\u3063\u3068\u624b\u3092\u96e2\u3059\u3068\uff0c\u7269\u4f53B\u304c\u4e0b\u5411\u304d\u306b\u52d5\u304d\u306f\u3058\u3081\u305f\u3002\u7269\u4f53B\u304c\u5730\u9762\u306b\u5230\u9054\u3059\u308b\u76f4\u524d\u306e\u901f\u3055$v$ \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<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"136\" height=\"181\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406613.svg\" alt=\"\" class=\"wp-image-4211\"\/><noscript><img decoding=\"async\" width=\"136\" height=\"181\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406613.svg\" alt=\"\" class=\"wp-image-4211\"\/><\/noscript><\/figure>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\n\n\n\n<p>\u5404\u7269\u4f53\u306b\u4f5c\u7528\u3059\u308b\u975e\u4fdd\u5b58\u529b\u306f\u5f35\u529b\u306e\u307f\u3067\u3059\u3002\u3053\u306e\u5f35\u529b\u306e\u5927\u304d\u3055\u3092 $T$ \u3068\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u7269\u4f53A\u306b\u5bfe\u3057\u3066\u5f35\u529b\u304c\u306a\u3059\u4ed5\u4e8b $W_1$ 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class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u3057\u304b\u3057\uff0c<\/p>\n\n\n\n<p>$$W_1+W_2=Th-Th=0$$\u3067\u3042\u308b\u3053\u3068\u304b\u3089\uff0c2\u7269\u4f53\u5168\u4f53\u3067\u8003\u3048\u305f\u969b\u306e\u5f35\u529b\u306e\u5408\u8a08\u306e\u4ed5\u4e8b\u306f $0$ \u3068\u306a\u308a\uff0c\u529b\u5b66\u7684\u30a8\u30cd\u30eb\u30ae\u30fc\u304c\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon3 clearfix\"><div class=\"st-kaiwa-area2\"><div class=\"st-kaiwa-hukidashi2\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u4ee5\u4e0a\u3092\u8e0f\u307e\u3048\u3066\uff0c\u554f\u984c\u3092\u89e3\u3044\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><div class=\"st-kaiwa-face2\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u6319\u624b\uff09.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u6319\u624b\uff09.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name2\">\u751f\u5f92<\/div><\/div><\/div>\n\n\n\n<p>\u7269\u4f53B\u306e\u4e0b\u5411\u304d\u306e\u901f\u3055\u304c $v$ \u306e\u3068\u304d\uff0c\u7269\u4f53A\u306e\u901f\u3055\u306f\u4e0a\u5411\u304d\u306b $v$ \u3067\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\uff0c\u7269\u4f53B\u306f\u5730\u9762\u306b\u5230\u9054\u3059\u308b\u307e\u3067\u306b $h$ \u3060\u3051\u843d\u4e0b\u3059\u308b\u4e00\u65b9\u3067\uff0c\u7269\u4f53A\u306f $h$ \u3060\u3051\u4e0a\u6607\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u3088\u3063\u3066\uff0c2\u7269\u4f53\u306e\u306f\u3058\u3081\u306e\u4f4d\u7f6e\u3092\u91cd\u529b\u306e\u4f4d\u7f6e\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u57fa\u6e96\u70b9\u3068\u3059\u308b\u3068\uff0c\u7269\u4f53A\u306e\u4f4d\u7f6e\u30a8\u30cd\u30eb\u30ae\u30fc\u306f $mgh$ \u3060\u3051\u5897\u52a0\u3057\uff0c\u7269\u4f53B\u306e\u4f4d\u7f6e\u30a8\u30cd\u30eb\u30ae\u30fc\u306f $Mgh$ \u3060\u3051\u6e1b\u5c11\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u4ee5\u4e0a\u304b\u3089\uff0c\u300c\u7cfb\u5168\u4f53\u3067\u306e\u529b\u5b66\u7684\u30a8\u30cd\u30eb\u30ae\u30fc\u4fdd\u5b58\u5247\u300d\u3088\u308a\uff0c<\/p>\n\n\n\n<p>$$\\begin{aligned} 0=\\bun12mv^2+\\bun12Mv^2+mgh-Mgh \\end{aligned}$$\u304c\u6210\u7acb\u3059\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3092 $v$ \u306b\u3064\u3044\u3066\u6574\u7406\u3059\u308c\u3070\uff0c<\/p>\n\n\n\n<p>$$v=\\sqrt{2gh\\bun{M-m}{M+m}}$$\u3068\u3057\u3066\u7b54\u3048\u304c\u6c42\u307e\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-2\">\u7b49\u52a0\u901f\u5ea6\u904b\u52d5\u3068\u3057\u3066\u8003\u3048\u308b\u3068<\/span><\/h2>\n\n\n\n<p>\u4e0a\u306e\u554f\u984c\u306b\u304a\u3044\u3066\uff0c2\u7269\u4f53\u306e\u904b\u52d5\u306f\u3044\u305a\u308c\u3082\u7b49\u52a0\u901f\u5ea6\u904b\u52d5\u306a\u306e\u3067\uff0c<span class=\"st-mymarker-s-b\">\u516c\u5f0f\u3092\u4f7f\u3063\u3066\u89e3\u304f\u3053\u3068\u3082\u3067\u304d\u307e\u3059<\/span>\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\uff0c\u529b\u5b66\u7684\u30a8\u30cd\u30eb\u30ae\u30fc\u4fdd\u5b58\u5247\u3092\u5229\u7528\u3057\u305f\u307b\u3046\u304c\u30b9\u30e0\u30fc\u30ba\u306b\u89e3\u3051\u308b\u3053\u3068\u304c\u591a\u3005\u3042\u308b\u305f\u3081\uff0c\u3069\u3061\u3089\u306e\u65b9\u6cd5\u3067\u3082\u89e3\u3051\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304f\u3079\u304d\u3067\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u6b211 \u7cfb\u3067\u8003\u3048\u308b\u30a8\u30cd\u30eb\u30ae\u30fc\u4fdd\u5b58\u52472 \u7b49\u52a0\u901f\u5ea6\u904b\u52d5\u3068\u3057\u3066\u8003\u3048\u308b\u3068 \u7cfb\u3067\u8003\u3048\u308b\u30a8\u30cd\u30eb\u30ae\u30fc\u4fdd\u5b58\u5247 \u7cfb\u3068\u306f \u30a8\u30cd\u30eb\u30ae\u30fc\u4fdd\u5b58\u5247\u306f\u7269\u4f53\u3054\u3068\u306b\u8003\u3048\u308b\u306e\u304c\u57fa\u672c\u3067\u3059\u304c\uff0c\u8907\u6570\u306e\u7269\u4f53\u3092\u307e\u3068\u3081\u3066\u8003\u3048\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002 \u8907\u6570 &#8230; <\/p>\n","protected":false},"author":1,"featured_media":4237,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,39],"tags":[],"class_list":["post-4215","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\/4215"}],"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=4215"}],"version-history":[{"count":6,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/4215\/revisions"}],"predecessor-version":[{"id":4234,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/4215\/revisions\/4234"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/media\/4237"}],"wp:attachment":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4215"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}