{"id":4278,"date":"2023-02-28T19:46:03","date_gmt":"2023-02-28T10:46:03","guid":{"rendered":"https:\/\/torisetudy.com\/?p=4278"},"modified":"2025-04-03T00:55:27","modified_gmt":"2025-04-02T15:55:27","slug":"4278","status":"publish","type":"post","link":"https:\/\/torisetudy.com\/?p=4278","title":{"rendered":"\u904b\u52d5\u91cf\u3068\u529b\u7a4d"},"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> \u904b\u52d5\u306e\u6fc0\u3057\u3055<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">2<\/span> \u529b\u7a4d<\/a><\/li><li><a href=\"#i-3\"><span class=\"toc_number toc_depth_1\">3<\/span> \u529b\u304c\u4e00\u5b9a\u3067\u306a\u3044\u5834\u5408\u306e\u529b\u7a4d<\/a><\/li><li><a href=\"#i-4\"><span class=\"toc_number toc_depth_1\">4<\/span> \u9762\u7a4d\u304b\u3089\u8003\u3048\u308b\u529b\u7a4d<\/a><\/li><li><a href=\"#i-5\"><span class=\"toc_number toc_depth_1\">5<\/span> \u6483\u529b<\/a><\/li><\/ul><\/div>\n<h2 class=\"wp-block-heading\"><span id=\"i\">\u904b\u52d5\u306e\u6fc0\u3057\u3055<\/span><\/h2>\n\n\n\n<p>\u904b\u52d5\u30a8\u30cd\u30eb\u30ae\u30fc $\\Bun12mv^2$ \u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u307e\u3057\u305f\u3002\u8cea\u91cf\u3068\u901f\u3055\u304c\u5927\u304d\u3051\u308c\u3070\u5927\u304d\u3044\u307b\u3069\u904b\u52d5\u30a8\u30cd\u30eb\u30ae\u30fc\u306f\u5927\u304d\u306a\u5024\u3068\u306a\u308a\uff0c\u4ed6\u306e\u7269\u4f53\u306b\u4ed5\u4e8b\u3092\u3059\u308b\u80fd\u529b\u3092\u8868\u3057\u3066\u3044\u307e\u3057\u305f\u3088\u306d\u3002<\/p>\n\n\n\n<p>\u300c\u904b\u52d5\u306e\u6fc0\u3057\u3055\u300d\u3092\u8868\u3057\u3066\u3044\u308b\u3068\u8003\u3048\u308b\u3053\u3068\u3082\u3067\u304d\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>\u3057\u304b\u3057\uff0c\u904b\u52d5\u30a8\u30cd\u30eb\u30ae\u30fc\u306f\u30b9\u30ab\u30e9\u30fc\u91cf\u3067\u3042\u308a\uff0c\u5411\u304d\u306b\u95a2\u3059\u308b\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon2 clearfix\"><div class=\"st-kaiwa-area2\"><div class=\"st-kaiwa-hukidashi2\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u5411\u304d\u3082\u542b\u3081\u305f\u300c\u904b\u52d5\u306e\u6fc0\u3057\u3055\u300d\u3092\u8868\u73fe\u3059\u308b\u65b9\u6cd5\u306f\u306a\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u2026\uff1f<\/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\u7591\u554f\uff09.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u7591\u554f\uff09.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name2\">\u751f\u5f92<\/div><\/div><\/div>\n\n\n\n<p>\u305d\u3053\u3067\u767b\u5834\u3059\u308b\u306e\u304c<span class=\"st-mymarker-s\">\u904b\u52d5\u91cf<\/span>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u8cea\u91cf\u304c $m$\uff0c\u901f\u5ea6\u304c $\\vec{v}$ \u306e\u7269\u4f53\u304c\u6301\u3064\u904b\u52d5\u91cf\u3092 <span class=\"st-mymarker-s\">$\\vec{p}=m\\vec{v}$<\/span> \u3068\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8cea\u91cf\u3068\u901f\u3055\u304c\u5927\u304d\u3051\u308c\u3070\u5927\u304d\u3044\u307b\u3069\u5927\u304d\u306a\u5024\u3068\u306a\u308a\u307e\u3059\u304c\uff0c\u901f\u5ea6\u30d9\u30af\u30c8\u30eb\u3092\u7528\u3044\u3066\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u305f\u3081\uff0c\u5411\u304d\u3082\u542b\u3081\u305f\u300c\u904b\u52d5\u306e\u6fc0\u3057\u3055\u300d\u3092\u8868\u3059\u5024\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u5358\u4f4d\u306f <span class=\"st-mymarker-s\">$\\punit{kg\\cdot m\/s}$<\/span> \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>\u904b\u52d5\u91cf<\/p><div class=\"st-in-mybox\">\n<p>\u8cea\u91cf\u304c $m$\uff0c\u901f\u5ea6\u304c $\\vec{v}$ \u306e\u7269\u4f53\u306e\u904b\u52d5\u91cf\u3092\uff0c<\/p>\n\n\n\n<p>$$\\overrightarrow{p}=m\\overrightarrow{v}$$\u3068\u5b9a\u7fa9\u3059\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"135\" height=\"94\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406466.svg\" alt=\"\" class=\"wp-image-4279\"\/><noscript><img decoding=\"async\" width=\"135\" height=\"94\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406466.svg\" alt=\"\" class=\"wp-image-4279\"\/><\/noscript><\/figure>\n\n\n\n<div style=\"height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-2\">\u529b\u7a4d<\/span><\/h2>\n\n\n\n<p>\u904b\u52d5\u91cf\u306b\u3064\u3044\u3066\u3082\u3046\u5c11\u3057\u6df1\u304f\u8003\u3048\u3066\u3044\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=\"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>\u308f\u304b\u308a\u3084\u3059\u3044\u3088\u3046\u306b1\u6b21\u5143\u306e\u7b49\u52a0\u901f\u5ea6\u904b\u52d5\u3068\u3057\u3066\u8003\u3048\u307e\u3059\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u529b $F$ \u3092\u53d7\u3051\u3066\uff0c$x$ \u8ef8\u4e0a\u3092\u7b49\u52a0\u901f\u5ea6\u904b\u52d5\u3057\u3066\u3044\u308b\u7269\u4f53\u304c\u3042\u308b\u3068\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"126\" height=\"92\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406468.svg\" alt=\"\" class=\"wp-image-4280\"\/><noscript><img decoding=\"async\" width=\"126\" height=\"92\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406468.svg\" alt=\"\" class=\"wp-image-4280\"\/><\/noscript><\/figure>\n\n\n\n<p>\u904b\u52d5\u65b9\u7a0b\u5f0f\u306f $ma=F$ \u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u7b49\u52a0\u901f\u5ea6\u904b\u52d5\u3067\u3059\u304b\u3089\uff0c\u521d\u901f\u5ea6\u3092 $v_0$ \u3068\u3059\u308b\u3068\uff0c\u516c\u5f0f\u304b\u3089 $v=v_0+at$ \u3067\u3042\u308b\u3053\u3068\u3082\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e2\u5f0f\u304b\u3089\u52a0\u901f\u5ea6 $a$ \u3092\u6d88\u53bb\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3059\u308b\u3068\uff0c<\/p>\n\n\n\n<p>$$mv-mv_0=Ft\\stext{\\quad\u2026\u2026\\ \u2606}$$\u3068\u3044\u3046\u5f0f\u304c\u51fa\u3066\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\">\u7b49\u52a0\u901f\u5ea6\u904b\u52d5\u3067\u3042\u308b\u305f\u3081\uff0c$a$ \u306f\u4e00\u5b9a\u3002\u3088\u3063\u3066\uff0c\u7269\u4f53\u306b\u52a0\u3048\u3066\u3044\u308b\u529b $F$ \u3082\u4e00\u5b9a\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3059\u308b\u3002<\/p>\n<\/div><\/div>\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>\u307e\u305a\u306f\u2606\u5f0f\u306e\u53f3\u8fba\u306b\u6ce8\u76ee\u3057\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>\u300c\uff08\u529b\uff09$\\times$\uff08\u529b\u3092\u52a0\u3048\u305f\u6642\u9593\uff09\u300d\u3068\u3044\u3046\u5f62\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6642\u523b $t=0$ \u304b\u3089\u6642\u523b $t$ \u307e\u3067\u3067\u8003\u3048\u305f\u305f\u3081\uff0c$Ft$ \u306b\u306a\u308a\u307e\u3057\u305f\u304c\uff0c$t=0$ \u304b\u3089\u529b\u304c\u52a0\u308f\u308b\u3068\u306f\u9650\u3089\u306a\u3044\u305f\u3081\uff0c\u529b\u3092\u52a0\u3048\u305f\u6642\u9593\u3092 $\\varDelta t$ \u3067\u8868\u3059\u3053\u3068\u306b\u3059\u308c\u3070\uff0c$F\\varDelta t$ \u3068\u8868\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e $F\\varDelta t$ \u306e\u3053\u3068\u3092\uff0c<span class=\"st-mymarker-s\">\u529b\u7a4d<\/span>\u3068\u547c\u3073\u307e\u3059\u3002\u5358\u4f4d\u306f <span class=\"st-mymarker-s\">$\\punit{N\\cdot s}$<\/span> \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>\u529b\u7a4d\uff08\u529b\u304c\u4e00\u5b9a\u306e\u5834\u5408\uff09<\/p><div class=\"st-in-mybox\">\n<p class=\"has-st-margin-bottom has-st-margin-bottom--1\">\u7269\u4f53\u306b\u4e00\u5b9a\u306e\u529b $F$ \u304c $\\varDelta t$ \u306e\u9593\u3060\u3051\u52a0\u308f\u3063\u305f\u3068\u304d\uff0c\u7269\u4f53\u304c\u53d7\u3051\u308b\u529b\u7a4d\u306f $F\\varDelta t$ \u3068\u8868\u3055\u308c\u308b\u3002<\/p>\n<\/div><\/div>\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>\u7d9a\u3044\u3066\u2606\u5f0f\u306e\u5de6\u8fba\u306b\u6ce8\u76ee\u3057\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\u5b66\u7fd2\uff09.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u5b66\u7fd2\uff09.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name2\">\u751f\u5f92<\/div><\/div><\/div>\n\n\n\n<p>$mv-mv_0$ \u3068\u3044\u3046\u5f62\u3092\u3057\u3066\u3044\u307e\u3059\u304c\uff0c$mv$ \u306f\u6642\u523b $t$ \u306b\u304a\u3051\u308b\u7269\u4f53\u306e\u904b\u52d5\u91cf\uff0c$mv_0$ \u306f\u6642\u523b $t=0$ \u306b\u304a\u3051\u308b\u7269\u4f53\u306e\u904b\u52d5\u91cf\u3067\uff0c\u300c\uff08\u5f8c\uff09$-$\uff08\u524d\uff09\u300d\u306e\u5f62\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u304b\u3089\uff0c\u300c\u904b\u52d5\u91cf\u306e\u5909\u5316\u300d\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\u2606\u306e\u5f0f\u306f\uff0c<span class=\"st-mymarker-s-b\">\u300c\u7269\u4f53\u306e\u904b\u52d5\u91cf\u5909\u5316\u3068\uff0c\u7269\u4f53\u304c\u53d7\u3051\u305f\u529b\u7a4d\u306f\u7b49\u3057\u304f\u306a\u308b\u300d<\/span>\u3068\u3044\u3046\u3053\u3068\u3092\u610f\u5473\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u3053\u3068\u306f\uff0c\u7b49\u52a0\u901f\u5ea6\u904b\u52d5\u30841\u6b21\u5143\u306e\u904b\u52d5\u306b\u9650\u3089\u305a\uff0c\u4e00\u822c\u7684\u306b\u6210\u308a\u7acb\u3064\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u904b\u52d5\u91cf\u3084\u529b\u306f\u672c\u6765\u5411\u304d\u3092\u6301\u3064\u30d9\u30af\u30c8\u30eb\u91cf\u3067\u3059\u304b\u3089\uff0c\u7269\u4f53\u306e\u904b\u52d5\u91cf\u5909\u5316\u3092\uff0c<\/p>\n\n\n\n<p>$$\\varDelta \\overrightarrow{p}=\\overrightarrow{p_{\\stext{\u5f8c}}}-\\overrightarrow{p_{\\stext{\u524d}}}=m\\overrightarrow{v_{\\stext{\u5f8c}}}-m\\overrightarrow{v_{\\stext{\u524d}}}$$\u3068\u3057\uff0c\u53d7\u3051\u305f\u529b\u7a4d\u3092 $\\vec{I}$ \u3068\u3059\u308c\u3070\uff0c<span class=\"st-mymarker-s\">$\\varDelta\\vec{p}=\\vec{I}$<\/span> \u3068\u307e\u3068\u3081\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>\u904b\u52d5\u91cf\u5909\u5316\u3068\u529b\u7a4d\u306e\u95a2\u4fc2<\/p><div class=\"st-in-mybox\">\n<p>\u7269\u4f53\u306e\u53d7\u3051\u305f\u529b\u7a4d $\\vec{I}$ \u3068\uff0c\u904b\u52d5\u91cf\u306e\u5909\u5316 $\\vec{p}$ \u306f\u7b49\u3057\u304f\u306a\u308b\u3002\u7269\u4f53\u306e\u8cea\u91cf\u3092 $m$\uff0c\u529b\u7a4d\u3092\u53d7\u3051\u308b\u524d\u5f8c\u306e\u901f\u5ea6\u3092\u305d\u308c\u305e\u308c $\\vec{v},\\,\\vec{v\\mskip 1mu\\prime }$ \u3068\u3059\u308c\u3070\uff0c<\/p>\n\n\n\n<p>$$\\varDelta \\overrightarrow{p}=m\\overrightarrow{v\\mskip 1mu\\prime }-m\\overrightarrow{v}=\\overrightarrow{I}$$\u304c\u6210\u308a\u7acb\u3064\u3002<\/p>\n<\/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>$xy$ \u5e73\u9762\u306b\u304a\u3044\u3066\uff0c\u8cea\u91cf\u304c $m$ \u306e\u7269\u4f53\u304c $\\vec{v}=(v_0,\\,0)$ \u306e\u901f\u5ea6\u3067\u904b\u52d5\u3057\u3066\u3044\u308b\u3002\u3053\u306e\u7269\u4f53\u306b\u529b\u7a4d $\\vec{I}$ \u3092\u52a0\u3048\u308b\u3068\uff0c\u7269\u4f53\u306e\u901f\u5ea6\u306f $\\vec{v\\mskip 1mu\\prime }=(0,\\,v_1)$ \u3068\u306a\u3063\u305f\u3002\u7269\u4f53\u306b\u52a0\u3048\u305f\u529b\u7a4d $\\vec{I}$ \u3092\u6c42\u3081\u3088\u3002<\/p>\n<\/div><\/div>\n\n\n\n<p class=\"post-hashiro-reidaikaitou\">\u6c42\u3081\u308b\u529b\u7a4d\u306f\u7269\u4f53\u306e\u904b\u52d5\u91cf\u306e\u5909\u5316\u306b\u7b49\u3057\u3044\u306e\u3067\uff0c<br>$$\\overrightarrow{I}=m\\overrightarrow{v\\mskip 1mu\\prime }-m\\overrightarrow{v}=m(0,\\,v_1)-m(v_0,\\,0)=m(-v_0,\\,v_1)$$<\/p>\n\n\n\n<p>\u89e3\u7b54\u3067\u306f\u6570\u5f0f\u3067\u8003\u3048\u307e\u3057\u305f\u304c\uff0c$m\\vec{v\\mskip 1mu\\prime }-m\\vec{v}=\\vec{I}$ \u306f\u30d9\u30af\u30c8\u30eb\u306e\u5f15\u304d\u7b97\u306e\u5f0f\u3068\u898b\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30d9\u30af\u30c8\u30eb\u306e\u95a2\u4fc2\u3092\u56f3\u793a\u3059\u308b\u3068\uff0c\u6b21\u306e\u901a\u308a\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"149\" height=\"136\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406469.svg\" alt=\"\" class=\"wp-image-4281\"\/><noscript><img decoding=\"async\" width=\"149\" height=\"136\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406469.svg\" alt=\"\" class=\"wp-image-4281\"\/><\/noscript><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-3\">\u529b\u304c\u4e00\u5b9a\u3067\u306a\u3044\u5834\u5408\u306e\u529b\u7a4d<\/span><\/h2>\n\n\n\n<p>\u7269\u4f53\u306b\u4f5c\u7528\u3059\u308b\u529b\u304c\u4e00\u5b9a\u306e\u5834\u5408\uff0c$F\\varDelta t$ \u3067\u529b\u7a4d\u3092\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u3053\u306e\u5f0f\u3060\u3051\u3067\u306f\uff0c\u7269\u4f53\u306b\u4f5c\u7528\u3059\u308b\u529b\u304c\u6642\u523b\u306b\u3088\u3063\u3066\u5909\u5316\u3059\u308b\u5834\u5408\u306b\u56f0\u3063\u3066\u3057\u307e\u3044\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>\u305d\u3053\u3067\uff0c\u529b\u304c\u6642\u523b\u306b\u3088\u3063\u3066\u5909\u5316\u3059\u308b\u3088\u3046\u306a\u5834\u5408\u3067\u3082\u529b\u7a4d\u3092\u8a08\u7b97\u3067\u304d\u308b\u3088\u3046\u306b\uff0c\u529b\u7a4d\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>\u529b\u7a4d\u306e\u5b9a\u7fa9<\/p><div class=\"st-in-mybox\">\n<p>\u7269\u4f53\u306b $\\vec{F}$ \u306e\u529b\u304c\u4f5c\u7528\u3059\u308b\u3068\u304d\uff0c\u6642\u523b $t=t_0$ \u304b\u3089 $t=t_1$ \u306b\u304a\u3044\u3066\u7269\u4f53\u304c\u53d7\u3051\u308b\u529b\u7a4d\u306f\uff0c<\/p>\n\n\n\n<p>$$\\overrightarrow{I}=\\int_{t_0}^{t_1}\\overrightarrow{F}\\dt$$\u3067\u8868\u3055\u308c\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<p>\u3082\u306e\u3059\u3054\u304f\u7c21\u5358\u306b\u8868\u73fe\u3059\u308c\u3070\uff0c<span class=\"st-mymarker-s-b\">\u300c\u529b\u3092\u6642\u9593\u3067\u7a4d\u5206\u3059\u308c\u3070\u529b\u7a4d\u306b\u306a\u308b\u300d<\/span>\u3068\u3044\u3046\u3053\u3068\u3067\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>\u3053\u308c\u3063\u3066\uff0c\u4ed5\u4e8b\u306e\u8a71\u3068\u4f3c\u3066\u3044\u307e\u3059\u3088\u306d\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u4ed5\u4e8b\u306f\uff0c<\/p>\n\n\n\n<p>$$W=\\int_{x_0}^{x_1}F_x\\dx$$\u3068\u3057\u3066\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\uff0c\u300c\u529b\u3092\u4f4d\u7f6e\u3067\u7a4d\u5206\u3059\u308c\u3070\u4ed5\u4e8b\u306b\u306a\u308b\u300d\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u4e21\u8005\u3092\u6bd4\u8f03\u3057\u306a\u304c\u3089\u3057\u3063\u304b\u308a\u3068\u78ba\u8a8d\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-4\">\u9762\u7a4d\u304b\u3089\u8003\u3048\u308b\u529b\u7a4d<\/span><\/h2>\n\n\n\n<p>\u4eca\u56de\u5c0e\u5165\u3057\u305f $\\vec{I}=\\displaystyle\\int_{t_0}^{t_1}\\vec{F}\\dt$ \u306e\u5f0f\u306f\uff0c\u5b9f\u969b\u306b\u529b\u7a4d\u3092\u8a08\u7b97\u3059\u308b\u969b\u306b\u7528\u3044\u308b\u3053\u3068\u306f\u7a00\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u300c\u305d\u3082\u305d\u3082\u30d9\u30af\u30c8\u30eb\u306e\u7a4d\u5206\u3063\u3066\u4f55\u3060\u3088\uff01\u300d\u3068\u3044\u3046\u8a71\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3088\u306d\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>\u305d\u3053\u3067\u518d\u5ea6\uff0c1\u6b21\u5143\u306e\u904b\u52d5\u306b\u7c21\u6613\u5316\u3057\u3066\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>1\u6b21\u5143\u306e\u904b\u52d5\u3067\u3042\u308c\u3070\uff0c\u30d9\u30af\u30c8\u30eb\u3092\u7528\u3044\u305a\u306b\uff0c$I=\\displaystyle\\int_{t_0}^{t_1}F\\dt$ \u3068\u304b\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3055\u3066\uff0c\u3053\u306e $\\displaystyle\\int_{t_0}^{t_1}F\\dt$ \u3067\u3059\u304c\uff0c\u30b0\u30e9\u30d5\u306e\u9762\u7a4d\u3068\u3057\u3066\u8003\u3048\u3066\u307f\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=\"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>\u3069\u3093\u306a\u30b0\u30e9\u30d5\u3060\u304b\u308f\u304b\u308a\u307e\u3059\u304b\uff1f\u3053\u306e\u8a71\u306e\u6d41\u308c\uff0c\u4ed5\u4e8b\u306e\u3068\u304d\u306b\u3082\u767b\u5834\u3057\u305f\u306e\u3067\u3059\u304c\uff0c\u899a\u3048\u3066\u3044\u307e\u3059\u304b\u2026\uff1f<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u4ed5\u4e8b $W=\\displaystyle\\int F\\dx$ \u306f\uff0c\u6a2a\u8ef8\u304c $x$\uff0c\u7e26\u8ef8\u304c $F$ \u306e\u30b0\u30e9\u30d5\u306e\u9762\u7a4d\u3067\u3057\u305f\u306d\u3002\u3067\u306f\uff0c$\\displaystyle\\int F\\dt$ \u306f\u3068\u3044\u308f\u308c\u305f\u3089\uff0c\u6a2a\u8ef8\u304c $t$\uff0c\u7e26\u8ef8\u304c $F$ \u306e\u30b0\u30e9\u30d5\u3060\u3068\u3044\u3046\u3053\u3068\u306f\u308f\u304b\u308a\u3084\u3059\u3044\u306f\u305a\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\uff0c\u529b\u7a4d\u306f<span class=\"st-mymarker-s-b\">\u300c\u6a2a\u8ef8\u304c $t$\uff0c\u7e26\u8ef8\u304c $F$ \u306e\u30b0\u30e9\u30d5\u306e\u9762\u7a4d\u300d<\/span>\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>$F-t$ \u30b0\u30e9\u30d5\u3068\u529b\u7a4d<\/p><div class=\"st-in-mybox\">\n<p class=\"has-st-margin-bottom has-st-margin-bottom--1\">\u6a2a\u8ef8\u306b\u6642\u523b $t$\uff0c\u7e26\u8ef8\u306b\u529b $F$ \u3092\u53d6\u3063\u305f\u30b0\u30e9\u30d5\u306e\u9762\u7a4d $\\displaystyle\\int F\\dt$ \u306f\uff0c\u529b\u7a4d\u3092\u8868\u3059\u3002<\/p>\n<\/div><\/div>\n\n\n\n<p>$I=\\displaystyle\\int_{t_0}^{t_1} F\\dt$ \u306e\u5f0f\u3092\u899a\u3048\u308b\u3053\u3068\u3088\u308a\u3082\uff0c\u529b\u7a4d\u304c\u300c\u6a2a\u8ef8\u304c $t$\uff0c\u7e26\u8ef8\u304c $F$ \u306e\u30b0\u30e9\u30d5\u306e\u9762\u7a4d\u300d\u3068\u7b49\u3057\u3044\u3053\u3068\u3092\u3057\u3063\u304b\u308a\u3068\u8a8d\u8b58\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-5\">\u6483\u529b<\/span><\/h2>\n\n\n\n<p>\u30dc\u30fc\u30eb\u3092\u30d0\u30c3\u30c8\u3067\u6253\u3063\u305f\u3068\u304d\uff0c\u30dc\u30fc\u30eb\u304c\u53d7\u3051\u308b\u529b\u7a4d\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u30dc\u30fc\u30eb\u304c\u30d0\u30c3\u30c8\u3068\u63a5\u89e6\u3059\u308b\u6642\u9593 $\\varDelta t$ \u306f\u3054\u304f\u77ed\u3044\u3067\u3059\u304c\uff0c\u305d\u306e\u9593\u306b\u4f5c\u7528\u3059\u308b\u529b\u306e\u5927\u304d\u3055 $F$ \u306f\u3068\u3066\u3082\u5927\u304d\u3044\u3067\u3059\u3088\u306d\u3002<\/p>\n\n\n\n<p>\u305d\u3057\u3066\u30dc\u30fc\u30eb\u306b\u52a0\u308f\u308b\u529b\u306e\u5927\u304d\u3055\u306f\u4e00\u5b9a\u3067\u306f\u306a\u304f\uff0c\u6642\u523b\u306b\u3088\u3063\u3066\u5909\u5316\u3059\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3089\u3092\u8e0f\u307e\u3048\u308b\u3068\uff0c$F-t$ \u30b0\u30e9\u30d5\u306e\u6982\u5f62\u306f\u6b21\u56f3\u306e\u3088\u3046\u306b\u306a\u308b\u306f\u305a\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"134\" height=\"151\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406470.svg\" alt=\"\" class=\"wp-image-4282\"\/><noscript><img decoding=\"async\" width=\"134\" height=\"151\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406470.svg\" alt=\"\" class=\"wp-image-4282\"\/><\/noscript><\/figure>\n\n\n\n<p>\u3053\u306e $F-t$ \u30b0\u30e9\u30d5\u306e\u9762\u7a4d\u304c\uff0c\u30dc\u30fc\u30eb\u304c\u53d7\u3051\u308b\u529b\u7a4d\u306b\u306a\u308a\u307e\u3059\u304c\uff0c\u76f4\u63a5\u8a08\u7b97\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u306d\u3002<\/p>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u529b\u7a4d\u304c\u8a08\u7b97\u3057\u3084\u3059\u3044\u306e\u306f\uff0c\u529b\u304c\u5e38\u306b\u4e00\u5b9a\u306e\u5834\u5408\u3067\u3057\u305f\u3002\u305d\u3053\u3067\uff0c$\\varDelta t$ \u306e\u9593\u306e\u529b\u304c $\\overline{F}$ \u3067\u4e00\u5b9a\u3067\u3042\u3063\u305f\u3068\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"322\" height=\"151\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406471.svg\" alt=\"\" class=\"wp-image-4283\"\/><noscript><img decoding=\"async\" width=\"322\" height=\"151\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406471.svg\" alt=\"\" class=\"wp-image-4283\"\/><\/noscript><\/figure>\n\n\n\n<p>\u529b\u7a4d\u306e\u5024\u306f\u5909\u308f\u3063\u3066\u306f\u3044\u3051\u306a\u3044\u306e\u3067\uff0c$F-t$ \u30b0\u30e9\u30d5\u306e\u9762\u7a4d\u304c\u7b49\u3057\u304f\u306a\u308b\u3088\u3046\u306b $\\overline{F}$ \u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"322\" height=\"151\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406472.svg\" alt=\"\" class=\"wp-image-4284\"\/><noscript><img decoding=\"async\" width=\"322\" height=\"151\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406472.svg\" alt=\"\" class=\"wp-image-4284\"\/><\/noscript><\/figure>\n\n\n\n<p>\u3053\u306e $\\overline{F}$ \u306e\u3053\u3068\u3092\uff0c<span class=\"st-mymarker-s\">\u5e73\u5747\u306e\u529b<\/span>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u53f3\u5074\u306e\u30b0\u30e9\u30d5\u306e\u9762\u7a4d\u3092\u8003\u3048\u308b\u3053\u3068\u3067\uff0c\u30dc\u30fc\u30eb\u306e\u53d7\u3051\u308b\u529b\u7a4d\u304c $I=\\overline{F}\\varDelta t$ \u3068\u8868\u305b\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u307e\u305f\uff0c\u4eca\u56de\u8003\u3048\u305f\u300c\u30d0\u30c3\u30c8\u304c\u30dc\u30fc\u30eb\u3092\u6253\u3064\u529b\u300d\u306e\u3088\u3046\u306b\uff0c\u975e\u5e38\u306b\u77ed\u3044\u6642\u9593\u306e\u9593\u3060\u3051\u4f5c\u7528\u3059\u308b\uff0c\u975e\u5e38\u306b\u5927\u304d\u306a\u529b\u306e\u3053\u3068\u3092<span class=\"st-mymarker-s\">\u6483\u529b<\/span>\u3068\u547c\u3073\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>\u897f\u5411\u304d\u306b $30\\ms$ \u3067\u9032\u3080\u30dc\u30fc\u30eb\u3092\u30d0\u30c3\u30c8\u3067\u6253\u3063\u305f\u3068\u3053\u308d\uff0c\u5357\u5411\u304d\u306b $40\\ms$ \u306e\u901f\u3055\u3067\u30dc\u30fc\u30eb\u304c\u9032\u3093\u3067\u3044\u3063\u305f\u3002\u4ee5\u4e0b\u306e\u554f\u3044\u306b\u7b54\u3048\u3088\u3002\u305f\u3060\u3057\uff0c\u30dc\u30fc\u30eb\u306e\u8cea\u91cf\u3092 $0.20\\kg$ \u3068\u3059\u308b\u3002<\/p>\n\n\n\n<p class=\"setumonnkakko\">\u30d0\u30c3\u30c8\u304c\u30dc\u30fc\u30eb\u306b\u4e0e\u3048\u305f\u529b\u7a4d\u306e\u5927\u304d\u3055\u3092\u6c42\u3081\u3088\u3002\u307e\u305f\uff0c\u5411\u304d\u3092\u56f3\u793a\u305b\u3088\u3002<\/p>\n\n\n\n<p class=\"setumonnkakko\">\u30d0\u30c3\u30c8\u304c\u30dc\u30fc\u30eb\u306b\u53ca\u307c\u3059\u5e73\u5747\u306e\u529b\u304c $50\\N$ \u3067\u3042\u3063\u305f\u3068\u3059\u308b\u3002\u30d0\u30c3\u30c8\u3068\u30dc\u30fc\u30eb\u304c\u63a5\u89e6\u3057\u3066\u3044\u305f\u6642\u9593\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<div class=\"wp-block-group gsetumonnkakko\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p>\u30d0\u30c3\u30c8\u3067\u6253\u3064\u524d\u5f8c\u306e\u30dc\u30fc\u30eb\u306e\u904b\u52d5\u91cf\u306e\u5927\u304d\u3055\u306f\u305d\u308c\u305e\u308c\uff0c<\/p>\n\n\n\n<p>$$30\\cdot0.20=6.0\\punit{kg\\cdot m\/s},\\ 40\\cdot0.2=8.0\\punit{kg\\cdot m\/s}$$\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u5411\u304d\u3092\u542b\u3081\u3066\u56f3\u793a\u3059\u308b\u3068\u6b21\u56f3\u306e\u901a\u308a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"119\" height=\"130\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406473.svg\" alt=\"\" class=\"wp-image-4285\"\/><noscript><img decoding=\"async\" width=\"119\" height=\"130\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406473.svg\" alt=\"\" class=\"wp-image-4285\"\/><\/noscript><\/figure>\n\n\n\n<p>\u529b\u7a4d\u306f\u904b\u52d5\u91cf\u306e\u5909\u5316\u306b\u7b49\u3057\u3044\u305f\u3081\uff0c\u904b\u52d5\u91cf\u306e\u30d9\u30af\u30c8\u30eb\u306e\u7d42\u70b9\u3092\u7d50\u3093\u3060\u56f3\u306e\u5411\u304d\u306e\u30d9\u30af\u30c8\u30eb\u3068\u306a\u308b\u3002<\/p>\n\n\n\n<p>\u5927\u304d\u3055\u306f\uff0c\u4e09\u5e73\u65b9\u306e\u5b9a\u7406\u3088\u308a\uff0c<\/p>\n\n\n\n<p>$$\\sqrt{(6.0)^2+(8.0)^2}=10\\punit{N\\cdot s}$$<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group gsetumonnkakko\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p>\u529b\u7a4d\u306e\u5927\u304d\u3055\u306f\uff0c\u5e73\u5747\u306e\u529b $\\overline{F}$ \u304a\u3088\u3073\u529b\u306e\u4f5c\u7528\u3057\u305f\u6642\u9593 $\\varDelta t$ \u3092\u7528\u3044\u3066\uff0c$\\overline{F}\\varDelta t$ \u3068\u304b\u3051\u308b\u305f\u3081\uff0c<\/p>\n\n\n\n<p>$$10=50\\varDelta t\\qquad\\therefore\\quad \\varDelta t=2.0\\times10^{-2}\\s$$<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p>\u904b\u52d5\u91cf\u3068\u529b\u7a4d\u306e\u554f\u984c\u3067\u306f\uff0c\u3053\u3046\u3057\u305f\u6483\u529b\u304c\u7d61\u3080\u554f\u984c\u304c\u591a\u3044\u305f\u3081\uff0c\u300c\u904b\u52d5\u91cf\u306e\u5909\u5316\u3068\u529b\u7a4d\u306e\u95a2\u4fc2 $\\varDelta \\vec{p}=\\vec{I}$ \u306f\uff0c\u6483\u529b\u304c\u7d61\u3080\u554f\u984c\u3067\u3057\u304b\u4f7f\u3048\u306a\u3044\uff01\u300d\u3068\u52d8\u9055\u3044\u3059\u308b\u4eba\u304c\u975e\u5e38\u306b\u591a\u3044\u3067\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>\u304c\uff0c\u6483\u529b\u3067\u306a\u3044\u5834\u5408\u3067\u3082\u4f7f\u3048\u307e\u3059\u306e\u3067\u304f\u308c\u3050\u308c\u3082\u6c17\u3092\u3064\u3051\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n<\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u6b211 \u904b\u52d5\u306e\u6fc0\u3057\u30552 \u529b\u7a4d3 \u529b\u304c\u4e00\u5b9a\u3067\u306a\u3044\u5834\u5408\u306e\u529b\u7a4d4 \u9762\u7a4d\u304b\u3089\u8003\u3048\u308b\u529b\u7a4d5 \u6483\u529b \u904b\u52d5\u306e\u6fc0\u3057\u3055 \u904b\u52d5\u30a8\u30cd\u30eb\u30ae\u30fc $\\Bun12mv^2$ \u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u307e\u3057\u305f\u3002\u8cea\u91cf\u3068\u901f\u3055\u304c\u5927\u304d\u3051\u308c\u3070\u5927\u304d\u3044\u307b\u3069\u904b &#8230; 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