{"id":4160,"date":"2023-01-25T21:30:42","date_gmt":"2023-01-25T12:30:42","guid":{"rendered":"https:\/\/torisetudy.com\/?p=4160"},"modified":"2025-04-03T02:31:07","modified_gmt":"2025-04-02T17:31:07","slug":"%e4%bb%95%e4%ba%8b-2","status":"publish","type":"post","link":"https:\/\/torisetudy.com\/?p=4160","title":{"rendered":"\u4ed5\u4e8b"},"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> \u7269\u7406\u57fa\u790e\u306e\u5fa9\u7fd2<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">2<\/span> \u4ed5\u4e8b\u306e\u518d\u78ba\u8a8d<\/a><\/li><li><a href=\"#i-3\"><span class=\"toc_number toc_depth_1\">3<\/span> \u4e00\u822c\u7684\u306a\u4ed5\u4e8b\u306e\u5b9a\u7fa9<\/a><\/li><li><a href=\"#i-4\"><span class=\"toc_number toc_depth_1\">4<\/span> \u9762\u7a4d\u304b\u3089\u8003\u3048\u308b\u4ed5\u4e8b<\/a><\/li><\/ul><\/div>\n<h2 class=\"wp-block-heading\"><span id=\"i\">\u7269\u7406\u57fa\u790e\u306e\u5fa9\u7fd2<\/span><\/h2>\n\n\n\n<p><div class=\"st-shortcode-div \" style=\"padding: 0 0 0 0;margin: 0 0 -5px -5px;\"><div class=\"st-minihukidashi-box \" ><p class=\"st-minihukidashi\" style=\"background:#FFECB3;margin: 0 0 0 0;font-weight:bold;border-radius: 30px;\"><span class=\"st-minihukidashi-arrow\" style=\"border-top-color: #FFECB3;\"><\/span><span class=\"st-minihukidashi-flexbox\"><i class=\"st-fa st-svg-arrow-circle-right st-css-no\" aria-hidden=\"true\"><\/i>\u300c\u4ed5\u4e8b\u300d\u306e\u5fa9\u7fd2\u306f\u3053\u3061\u3089\uff01<\/span><\/p><\/div><\/div>\t\t\t\t<a href=\"https:\/\/torisetudy.com\/?p=3295\" class=\"st-cardlink\">\r\n\t\t\t\t<div class=\"kanren st-cardbox\" >\r\n\t\t\t\t\t\t\t\t\t\t<dl class=\"clearfix\">\r\n\t\t\t\t\t\t<dt class=\"st-card-img\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"150\" height=\"150\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_12.\u4ed5\u4e8b-150x150.png\" class=\"attachment-st_thumb150 size-st_thumb150 wp-post-image\" alt=\"\" srcset=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_12.\u4ed5\u4e8b-150x150.png 150w, https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_12.\u4ed5\u4e8b-100x100.png 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><noscript><img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_12.\u4ed5\u4e8b-150x150.png\" class=\"attachment-st_thumb150 size-st_thumb150 wp-post-image\" alt=\"\" srcset=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_12.\u4ed5\u4e8b-150x150.png 150w, https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_12.\u4ed5\u4e8b-100x100.png 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/noscript>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/dt>\r\n\t\t\t\t\t\t<dd>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h5 class=\"st-cardbox-t\">\u4ed5\u4e8b<\/h5>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"st-card-excerpt smanone\">\r\n\t\t\t\t\t\t\t\t\t<p>\u76ee\u6b211 \u4ed5\u4e8b\u3068\u306f2 \u7269\u7406\u5b66\u3067\u306e\u4ed5\u4e8b3 \u4ed5\u4e8b\u73874 \u4ed5\u4e8b\u306e\u539f\u7406 \u4ed5\u4e8b\u3068\u306f \u7269\u7406\u3067\u3044\u3046\u3068\u3053\u308d\u306e\u300c\u4ed5\u4e8b\u300d \u300c\u4ed5\u4e8b\u300d\u3068\u3044\u3046\u8a00\u8449\u306f\u65e5\u5e38\u751f\u6d3b\u3067\u3088\u304f\u8033\u306b\u3059\u308b\u3068\u601d\u3044\u307e\u3059\u304c\uff0c\u7269\u7406\u3067\u6271\u3046\u300c\u4ed5\u4e8b\u300d\u306f\u307e\u305f\u5225\u306e\u610f\u5473\u3092\u6301\u3063\u3066\u3044\u307e\u3059 &#8230; <\/p>\n\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"cardbox-more\">\u7d9a\u304d\u3092\u898b\u308b<\/p>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/dd>\r\n\t\t\t\t\t<\/dl>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/a>\r\n\t\t\t\t<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-2\">\u4ed5\u4e8b\u306e\u518d\u78ba\u8a8d<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5185\u7a4d\u3092\u7528\u3044\u305f\u4ed5\u4e8b\u306e\u8868\u73fe<\/h3>\n\n\n\n<p>\u4ed5\u4e8b\uff0c\u30a8\u30cd\u30eb\u30ae\u30fc\u7d61\u307f\u306b\u3064\u3044\u3066\u306f\u5165\u8a66\u3067\u3082\u51fa\u984c\u983b\u5ea6\u304c\u975e\u5e38\u306b\u9ad8\u304f\uff0c\u91cd\u8981\u306a\u5185\u5bb9\u3067\u3059\u306e\u3067\u6539\u3081\u3066\u7406\u89e3\u3092\u6df1\u3081\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon1 clearfix\"><div class=\"st-kaiwa-face\"><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><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\u4ed5\u4e8b\u304c\u3067\u304d\u306a\u3044\u5927\u4eba\u300d\u306a\u3093\u3066\u30ab\u30c3\u30b3\u60aa\u3044\u3067\u3059\u3088\u306d\u3002\u7686\u3055\u3093\u306f\u300c\u4ed5\u4e8b\u304c\u5f97\u610f\u306a\u53d7\u9a13\u751f\u300d\u3092\u76ee\u6307\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u3055\u3066\uff0c\u4ed5\u4e8b\u306e\u8a08\u7b97\u65b9\u6cd5\u306f\u7269\u7406\u57fa\u790e\u3067\u5b66\u7fd2\u3057\u305f\u901a\u308a\u3067\u3059\u3002$W=Fs\\cos\\theta$ \u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u5f62\uff0c\u3088\u304f\u3088\u304f\u898b\u308b\u3068\u4f55\u304b\u306b\u898b\u3048\u3066\u304d\u307e\u305b\u3093\u304b\u2026\uff1f<\/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>\u30d9\u30af\u30c8\u30eb\u306e\u5185\u7a4d\u3067\u3059\u306d\uff01\uff01<\/p>\n<\/div><\/div><\/div><div class=\"st-kaiwa-face2\"><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u6319\u624b\uff09.png\" width=\"60px\"><div class=\"st-kaiwa-face-name2\">\u751f\u5f92<\/div><\/div><\/div>\n\n\n\n<p>\u529b\u3092 $\\vec{F}$\uff0c\u7269\u4f53\u306e\u5909\u4f4d\u3092 $\\vec{s}$\uff0c$\\vec{F}$ \u3068 $\\vec{s}$ \u306e\u306a\u3059\u89d2\u5ea6\u3092 $\\theta$ \u3068\u3057\u305f\u3068\u304d\uff0c$\\vec{F}$ \u3068 $\\vec{s}$ \u306e\u5185\u7a4d\u306f\uff0c<\/p>\n\n\n\n<p>$$\\vec{F}\\cdot\\vec{s}=Fs\\cos\\theta$$\u3068\u8a08\u7b97\u3067\u304d\u307e\u3059\u3088\u306d\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u304c\u4ed5\u4e8b\u3068\u5168\u304f\u540c\u3058\u5f62\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\uff0c$$W=\\vec{F}\\cdot\\vec{s}$$\u3068\u307e\u3068\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\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\">\u5185\u7a4d\u306f\uff0c2\u3064\u306e\u30d9\u30af\u30c8\u30eb\u304b\u3089\u30b9\u30ab\u30e9\u30fc\u3092\u751f\u307f\u51fa\u3059\u6f14\u7b97\u3067\u3042\u308b\u305f\u3081\uff0c\u4ed5\u4e8b\u304c\u30b9\u30ab\u30e9\u30fc\u91cf\u3067\u3042\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u308b\u3002<\/p>\n<\/div><\/div>\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>\u5185\u7a4d\u3092\u7528\u3044\u305f\u4ed5\u4e8b\u306e\u8868\u73fe<\/p><div class=\"st-in-mybox\">\n<p>\u529b\u3092 $\\vec{F}$\uff0c\u7269\u4f53\u306e\u5909\u4f4d\u3092 $\\vec{s}$\uff0c$\\vec{F}$ \u3068 $\\vec{s}$ \u306e\u306a\u3059\u89d2\u5ea6\u3092 $\\theta$ \u3068\u3057\u305f\u3068\u304d\uff0c$\\vec{F}$ \u304c\u7269\u4f53\u306b\u3057\u305f\u4ed5\u4e8b$W$ \u306f\uff0c<\/p>\n\n\n\n<p>$$W=\\vec{F}\\cdot\\vec{s}$$<\/p>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9f\u969b\u306e\u4ed5\u4e8b\u306e\u8a08\u7b97<\/h3>\n\n\n\n<p>\u5b9f\u969b\u306b\u4ed5\u4e8b\u3092\u8a08\u7b97\u3059\u308b\u969b\u306b\u306f\uff0c$Fs\\cos\\theta$ \u3092\uff0c$s\\cdot F\\cos\\theta$ \u3068\u307f\u3066\u8003\u3048\u308b\u3068\u4fbf\u5229\u3067\u3059\u3002<\/p>\n\n\n\n<p>$F\\cos\\theta$ \u306f\uff0c\u7269\u4f53\u306e\u79fb\u52d5\u65b9\u5411\u306e\u529b\u306e\u6210\u5206\u3067\u3059\u306e\u3067\uff0c<span class=\"st-mymarker-s-b\">\u300c\u79fb\u52d5\u65b9\u5411\u306b\u529b\u304c\u3069\u308c\u3060\u3051\u7269\u4f53\u3092\u5f15\u3063\u5f35\u3063\u305f\u304b\u300d<\/span>\u306b\u3088\u3063\u3066\u4ed5\u4e8b\u304c\u6c7a\u307e\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u79fb\u52d5\u3059\u308b\u7269\u4f53\u306b\u5bfe\u3057\u3066\uff0c\u79fb\u52d5\u65b9\u5411\u306b\u529b\u304c\u4f5c\u7528\u3059\u308b\u3068\uff0c\u305d\u306e\u529b\u306f\u4ed5\u4e8b\u3092\u3057\u305f\u3053\u3068\u306b\u306a\u308b\u306e\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"262\" height=\"91\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406203-1.svg\" alt=\"\" class=\"wp-image-4164\"\/><\/figure>\n\n\n\n<p>\u7279\u306b\u4ee5\u4e0b\u306e\u5834\u5408\u306b\u3064\u3044\u3066\u306f\u983b\u51fa\u3067\u3059\u306e\u3067\uff0c\u901f\u3084\u304b\u306b\u4ed5\u4e8b\u3092\u8a08\u7b97\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading is-style-st-heading-custom-count post-hashiro-countA\">$\\theta=0\\Deg \\stext{\u306e\u5834\u5408\uff1a}\\cos\\theta=1$<\/h3>\n\n\n\n<p>\u7269\u4f53\u306e\u79fb\u52d5\u65b9\u5411\u3068\u529b\u306e\u5411\u304d\u304c\u4e00\u81f4\u3057\u3066\u3044\u308b\u72b6\u6cc1\u3002$W=Fs$ \u3067\u8a08\u7b97\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading is-style-st-heading-custom-count post-hashiro-countA\">$\\theta=90\\Deg\\stext{\u306e\u5834\u5408\uff1a}\\cos\\theta=0$<\/h3>\n\n\n\n<p>\u7269\u4f53\u306e\u79fb\u52d5\u65b9\u5411\u3068\u5782\u76f4\u306a\u5411\u304d\u306b\u529b\u304c\u4f5c\u7528\u3057\u3066\u3044\u308b\u72b6\u6cc1\u3002$W=0$ \u3068\u306a\u308b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading is-style-st-heading-custom-count post-hashiro-countA\">$\\theta=180\\Deg\\stext{\u306e\u5834\u5408\uff1a}\\cos\\theta=-1$<\/h3>\n\n\n\n<p>\u7269\u4f53\u306e\u79fb\u52d5\u65b9\u5411\u6b63\u53cd\u5bfe\u306e\u5411\u304d\u306b\u529b\u304c\u4f5c\u7528\u3057\u3066\u3044\u308b\u72b6\u6cc1\u3002$W=-Fs$ \u3067\u8a08\u7b97\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u305d\u308c\u305e\u308c\u306e\u72b6\u6cc1\u3092\u56f3\u793a\u3057\u3066\u6574\u7406\u3059\u308b\u3068\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"374\" height=\"123\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406454.svg\" alt=\"\" class=\"wp-image-4131\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u529b\u65b9\u5411\u306e\u79fb\u52d5\u8ddd\u96e2\u3092\u8003\u3048\u308b\u65b9\u6cd5<\/h3>\n\n\n\n<p>$Fs\\cos\\theta$ \u306f\uff0c$F\\cdot s\\cos\\theta$ \u3068\u307f\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>$s\\cos\\theta$ \u306f\uff0c\u529b\u306e\u65b9\u5411\u306e\u5909\u4f4d\uff08\u529b\u306e\u5411\u304d\u306b\u3069\u308c\u3060\u3051\u9032\u3093\u3060\u304b\uff09\u3092\u8868\u3057\u3066\u3044\u308b\u5024\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"209\" height=\"90\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406051-1.svg\" alt=\"\" class=\"wp-image-4165\"\/><\/figure>\n\n\n\n<p>\u3088\u3063\u3066\uff0c<\/p>\n\n\n\n<p>$$W=\\stext{\uff08\u529b\u306e\u5927\u304d\u3055\uff09}\\times\\stext{\uff08\u529b\u306e\u5411\u304d\u306b\u79fb\u52d5\u3057\u305f\u8ddd\u96e2\uff09}$$\u3068\u3057\u3066\u4ed5\u4e8b\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-3\">\u4e00\u822c\u7684\u306a\u4ed5\u4e8b\u306e\u5b9a\u7fa9<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5185\u7a4d\u3067\u306e\u8868\u73fe\u306e\u9650\u754c<\/h3>\n\n\n\n<p>\u300c\u4ed5\u4e8b\u306b\u3064\u3044\u3066\u306f\u3053\u3053\u307e\u3067\u4e01\u5be7\u306b\u78ba\u8a8d\u3057\u305f\u3057\uff0c\u3082\u3046\u5b8c\u74a7\uff01\u300d\u3068\u3044\u3044\u305f\u3044\u3068\u3053\u308d\u306a\u306e\u3067\u3059\u304c\uff0c\u6b8b\u5ff5\u306a\u304c\u3089\u300c\u4ed5\u4e8b\u304c\u5f97\u610f\u306a\u53d7\u9a13\u751f\u300d\u3078\u306e\u9053\u306e\u308a\u306f\u307e\u3060\u9060\u3044\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon1 clearfix\"><div class=\"st-kaiwa-face\"><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><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>\u3082\u3046\u5c11\u3057\u4ed5\u4e8b\u306b\u3064\u3044\u3066\u6df1\u304f\u898b\u3066\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-st-blocks-my-box st-mybox has-title post-hashiro-normalbox\" style=\"background-color:#fff;border-color:#777777\"><p class=\"st-mybox-title\" style=\"color:#777777;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-check-circle st-css-no\" aria-hidden=\"\"><\/i>\u5f3e\u6027\u529b\u306e\u4ed5\u4e8b<\/p><div class=\"st-in-mybox\">\n<p>\u3070\u306d\u5b9a\u6570\u304c $k$ \u306e\u3070\u306d\u304c\u3042\u308b\u3002\u81ea\u7136\u9577\u304b\u3089\u3070\u306d\u3092 $x_1$ \u3060\u3051\u4f38\u3070\u3057\u305f\u3068\u304d\uff0c\u5f3e\u6027\u529b\u304c\u3057\u305f\u4ed5\u4e8b\u3092\u6c42\u3081\u3088\u3002<\/p>\n<\/div><\/div>\n\n\n\n<p>\u3055\u3066\uff0c\u3053\u306e\u4ed5\u4e8b\uff0c\u8a08\u7b97\u3067\u304d\u307e\u3059\u304b\u2026\uff1f<\/p>\n\n\n\n<p>\u3053\u308c\u307e\u3067\u306b\u5b66\u7fd2\u3057\u305f\u4ed5\u4e8b\u306e\u5f0f $W=Fs\\cos\\theta$ \u306f\uff0c$F$ \u304c\u4e00\u5b9a\u3067\u3042\u308a\uff0c\u5909\u4f4d\u3082\u9014\u4e2d\u3067\u5411\u304d\u304c\u5909\u308f\u3089\u306a\u3044\u3068\u304d\u3057\u304b\u4f7f\u3048\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u5f3e\u6027\u529b\u306f\u3070\u306d\u306e\u4f38\u3073 $x$ \u306b\u3088\u3063\u3066\u529b\u306e\u5927\u304d\u3055\u304c\u5909\u308f\u3063\u3066\u3057\u307e\u3046\u306e\u3067\uff0c$W=Fs\\cos\\theta$ \u306e\u5f0f\u304b\u3089\u4ed5\u4e8b\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4ed5\u4e8b\u306e\u5b9a\u7fa9\u306e\u62e1\u5f35<\/h3>\n\n\n\n<p>\u305d\u3053\u3067\uff0c\u529b\u306e\u5927\u304d\u3055\u304c\u4f4d\u7f6e\u306b\u3088\u3063\u3066\u5909\u308f\u3063\u3066\u3082\u8a08\u7b97\u3067\u304d\u308b\u3088\u3046\u306b\uff0c\u4ed5\u4e8b\u306e\u5b9a\u7fa9\u3092\u62e1\u5f35\u3057\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>\u4ed5\u4e8b\u306e\u5b9a\u7fa9<\/p><div class=\"st-in-mybox\">\n<p>\u7269\u4f53\u304c $x$ \u8ef8\u4e0a\u3092 $x=x_0$ \u304b\u3089 $x_1$ \u307e\u3067\u79fb\u52d5\u3059\u308b\u3068\u304d\uff0c\u529b $F$ \u306e\u3059\u308b\u4ed5\u4e8b\u306f\uff0c$x$ \u6210\u5206 $F_x$ \u3092\u7528\u3044\u3066\uff0c<\/p>\n\n\n\n<p>$$\\displaystyle W=\\int_{x_0}^{x_1}F_x\\dx$$\u3067\u8868\u3055\u308c\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<p>\u610f\u5473\u3068\u3057\u3066\u306f\uff0c\u300c<span class=\"st-mymarker-s\">\u529b\u306e\u3057\u305f\u4ed5\u4e8b\u306f\uff0c\u305d\u306e\u529b\u306e\uff0c\u7269\u4f53\u304c\u79fb\u52d5\u3057\u3066\u3044\u308b\u65b9\u5411\u6210\u5206\u3092\u4f4d\u7f6e $x$ \u3067\u7a4d\u5206\u3059\u308c\u3070\u5f97\u3089\u308c\u308b<\/span>\u300d\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u516c\u5f0f\u306e\u5f0f\u3092\u6697\u8a18\u3059\u308b\u306e\u3067\u306f\u306a\u304f\uff0c\u610f\u5473\u3092\u3057\u3063\u304b\u308a\u3068\u78ba\u8a8d\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\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>$x$ \u8ef8\u4e0a\u3092\u904b\u52d5\u3059\u308b\u7269\u4f53\u306b\u5bfe\u3057\uff0c\u56f3\u306e $\\theta$ \u306e\u5411\u304d\u306b\u529b $F$ \u304c\u52a0\u3048\u3089\u308c\u3066\u3044\u308b\u3002\u7269\u4f53\u304c $x=x_1$ \u304b\u3089 $x=x_2$ \u307e\u3067\u79fb\u52d5\u3057\u305f\u3068\u304d\u306b\uff0c\u529b\u306e\u3057\u305f\u4ed5\u4e8b\u3092\u6c42\u3081\u3088\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"248\" height=\"110\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406455.svg\" alt=\"\" class=\"wp-image-4132\"\/><\/figure>\n\n\n\n<div style=\"height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\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>\u529b\u306e $x$ \u65b9\u5411\u6210\u5206\u306f $F\\cos\\theta$ \u306a\u306e\u3067\uff0c<\/p>\n\n\n\n<p>$$W=\\int_{x_0}^{x_1}F\\cos\\theta\\dx=F(x_2-x_1)\\cos\\theta$$<\/p>\n<\/div><\/div>\n\n\n\n<p>$x_2-x_1$ \u306f\u7269\u4f53\u306e\u5909\u4f4d $s$ \u306b\u7b49\u3057\u3044\u306e\u3067\uff0c$W=Fs\\cos\\theta$ \u3068\u3044\u3046\u304a\u306a\u3058\u307f\u306e\u5f62\u304c\u51fa\u3066\u304d\u307e\u3057\u305f\u306d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5f3e\u6027\u529b\u306e\u4ed5\u4e8b\u306e\u8a08\u7b97<\/h3>\n\n\n\n<p>\u3067\u306f\u6700\u521d\u306e\u554f\u984c\u306b\u623b\u308a\u307e\u3057\u3087\u3046\u3002\u62e1\u5f35\u3057\u305f\u4ed5\u4e8b\u306e\u5b9a\u7fa9\u3092\u7528\u3044\u308b\u3053\u3068\u3067\uff0c\u5f3e\u6027\u529b\u306e\u4ed5\u4e8b\u3082\u8a08\u7b97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\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>\u3070\u306d\u5b9a\u6570\u304c $k$ \u306e\u3070\u306d\u304c\u3042\u308b\u3002\u81ea\u7136\u9577\u304b\u3089\u3070\u306d\u3092 $x_1$ \u3060\u3051\u4f38\u3070\u3057\u305f\u3068\u304d\uff0c\u5f3e\u6027\u529b\u304c\u3057\u305f\u4ed5\u4e8b\u3092\u6c42\u3081\u3088\u3002<\/p>\n<\/div><\/div>\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>\u3070\u306d\u304c\u81ea\u7136\u9577\u3068\u306a\u308b\u4f4d\u7f6e\u3092\u539f\u70b9\u3068\u3057\uff0c\u3070\u306d\u304c\u4f38\u3073\u308b\u5411\u304d\u306b $x$ \u8ef8\u3092\u3068\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"214\" height=\"100\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406456-1.svg\" alt=\"\" class=\"wp-image-4174\"\/><\/figure>\n\n\n\n<p>\u4f4d\u7f6e $x$ \u306b\u304a\u3044\u3066\uff0c\u7269\u4f53\u306b\u4f5c\u7528\u3059\u308b\u5f3e\u6027\u529b\u306f $f=-kx$ \u3068\u304b\u3051\u308b\u3002<\/p>\n\n\n\n<p>\u3088\u3063\u3066\uff0c\u6c42\u3081\u308b\u4ed5\u4e8b\u306f\uff0c<\/p>\n\n\n\n<p>$$W_k=\\int_0^{x_1}(-kx)\\dx=\\Bigl[-\\bun12kx^2\\Bigr]_0^{x_1}=-\\bun12kx_1^2$$<\/p>\n<\/div><\/div>\n\n\n\n<p>\u7121\u4e8b\u306b\u8a08\u7b97\u3067\u304d\u307e\u3057\u305f\uff01<\/p>\n\n\n\n<p>\u3053\u308c\u3067\u3088\u307b\u3069\u3078\u3093\u3066\u3053\u308a\u3093\u306a\u529b\u3067\u306a\u3044\u9650\u308a\uff0c\u4ed5\u4e8b\u3092\u8a08\u7b97\u3067\u304d\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon1 clearfix\"><div class=\"st-kaiwa-face\"><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><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\u4ed5\u4e8b\u304c\u5f97\u610f\u306a\u53d7\u9a13\u751f\u300d\u306e\u4ef2\u9593\u5165\u308a\u3067\u3059\u306d\uff01<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-4\">\u9762\u7a4d\u304b\u3089\u8003\u3048\u308b\u4ed5\u4e8b<\/span><\/h2>\n\n\n\n<p>\u6570\u5b66\u3067\u3088\u304f\u6271\u3046\uff0c\u6a2a\u8ef8\u304c $x$\uff0c\u7e26\u8ef8\u304c $y$ \u306e\u30b0\u30e9\u30d5\u306f\uff0c\u9762\u7a4d\u304c $S=\\displaystyle\\int y\\dx$ \u3067\u8a08\u7b97\u3067\u304d\u307e\u3059\u3088\u306d\u3002<\/p>\n\n\n\n<p>\u3067\u306f\uff0c$W=\\displaystyle\\int F\\dx$ \u3067\u8868\u3055\u308c\u308b\u4ed5\u4e8b\u306f\uff0c\u3069\u3093\u306a\u30b0\u30e9\u30d5\u306e\u9762\u7a4d\u306b\u306a\u308b\u3067\u3057\u3087\u3046\uff1f<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon4 clearfix\"><div class=\"st-kaiwa-area2\"><div class=\"st-kaiwa-hukidashi2\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u96e3\u3057\u304f\u8003\u3048\u305a\uff0c\u666e\u6bb5\u306e\u6570\u5b66\u306e\u30b0\u30e9\u30d5\u3068\u5bfe\u5fdc\u3055\u305b\u3066\u8003\u3048\u308b\u306e\u304c\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u306d\u3002<\/p>\n<\/div><\/div><\/div><div class=\"st-kaiwa-face2\"><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u5b66\u7fd2\uff09.png\" width=\"60px\"><div class=\"st-kaiwa-face-name2\">\u751f\u5f92<\/div><\/div><\/div>\n\n\n\n<p>$x$ \u306f\u3069\u3061\u3089\u3082\u5171\u901a\u3067\uff0c$y$ \u3068 $F$ \u304c\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\uff0c\u4ed5\u4e8b\u306f\u300c\u6a2a\u8ef8\u304c $x$\uff0c\u7e26\u8ef8\u304c $F$ \u306e\u30b0\u30e9\u30d5\u306e\u9762\u7a4d\u300d\u3068\u3057\u3066\u8003\u3048\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u306e\u3067\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>$F-x$ \u30b0\u30e9\u30d5\u3068\u4ed5\u4e8b<\/p><div class=\"st-in-mybox\">\n<p class=\"has-st-margin-bottom has-st-margin-bottom--1\">\u6a2a\u8ef8\u306b\u4f4d\u7f6e $x$\uff0c\u7e26\u8ef8\u306b\u529b $F$ \u3092\u53d6\u3063\u305f\u30b0\u30e9\u30d5\u306e\u9762\u7a4d $\\displaystyle\\int F\\dx$ \u306f\uff0c\u4ed5\u4e8b\u3092\u8868\u3059\u3002<\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u6b211 \u7269\u7406\u57fa\u790e\u306e\u5fa9\u7fd22 \u4ed5\u4e8b\u306e\u518d\u78ba\u8a8d3 \u4e00\u822c\u7684\u306a\u4ed5\u4e8b\u306e\u5b9a\u7fa94 \u9762\u7a4d\u304b\u3089\u8003\u3048\u308b\u4ed5\u4e8b \u7269\u7406\u57fa\u790e\u306e\u5fa9\u7fd2 \u300c\u4ed5\u4e8b\u300d\u306e\u5fa9\u7fd2\u306f\u3053\u3061\u3089\uff01 \u4ed5\u4e8b\u306e\u518d\u78ba\u8a8d \u5185\u7a4d\u3092\u7528\u3044\u305f\u4ed5\u4e8b\u306e\u8868\u73fe \u4ed5\u4e8b\uff0c\u30a8\u30cd\u30eb\u30ae\u30fc\u7d61\u307f\u306b\u3064\u3044\u3066\u306f\u5165\u8a66\u3067 &#8230; <\/p>\n","protected":false},"author":1,"featured_media":4176,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,39],"tags":[],"class_list":["post-4160","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\/4160"}],"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=4160"}],"version-history":[{"count":16,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/4160\/revisions"}],"predecessor-version":[{"id":5590,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/4160\/revisions\/5590"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/media\/4176"}],"wp:attachment":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4160"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4160"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4160"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}