{"id":9092,"date":"2022-08-19T15:55:44","date_gmt":"2022-08-19T06:55:44","guid":{"rendered":"https:\/\/hatsudy.com\/jp\/?p=9092"},"modified":"2022-09-06T22:11:38","modified_gmt":"2022-09-06T13:11:38","slug":"coefficient-of-restitution","status":"publish","type":"post","link":"https:\/\/hatsudy.com\/jp\/coefficient-of-restitution.html","title":{"rendered":"\u306f\u306d\u8fd4\u308a\u4fc2\u6570\uff1a\u7269\u4f53\u885d\u7a81\u3067\u306e\u516c\u5f0f\u3084\u76f8\u5bfe\u901f\u5ea6\u3092\u5229\u7528\u3059\u308b\u8a08\u7b97\u65b9\u6cd5"},"content":{"rendered":"\n<p>\u7269\u4f53\u304c\u58c1\u306b\u885d\u7a81\u3059\u308b\u3068\u3001\u7269\u4f53\u306f\u53cd\u5bfe\u5411\u304d\u306e\u30b9\u30d4\u30fc\u30c9\u3092\u3082\u3064\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u8a00\u3044\u63db\u3048\u308b\u3068\u3001\u7269\u4f53\u306f\u58c1\u306b\u306f\u306d\u8fd4\u3055\u308c\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u901f\u5ea6\u304c\u5909\u5316\u3057\u307e\u3059\u3002<\/p>\n<p>\u7269\u4f53\u304c\u58c1\u306b\u885d\u7a81\u5f8c\u3001\u3069\u308c\u3060\u3051\u306e\u901f\u5ea6\u3067\u306f\u306d\u8fd4\u3055\u308c\u308b\u306e\u304b\u3092\u8868\u3059\u6307\u6a19\u306b\u3001\u306f\u306d\u8fd4\u308a\u4fc2\u6570\uff08\u53cd\u767a\u4fc2\u6570\uff09\u304c\u3042\u308a\u307e\u3059\u3002\u58c1\u306e\u6027\u8cea\u306b\u3088\u3063\u3066\u306f\u306d\u8fd4\u308a\u4fc2\u6570\u306f\u7570\u306a\u308a\u3001\u306f\u306d\u8fd4\u308a\u4fc2\u6570\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u885d\u7a81\u5f8c\u306e\u7269\u4f53\u306e\u901f\u5ea6\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u306f\u306d\u8fd4\u308a\u4fc2\u6570\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u52d5\u3044\u3066\u3044\u308b2\u3064\u306e\u7269\u4f53\u304c\u885d\u7a81\u3057\u305f\u5f8c\u306e\u901f\u5ea6\u3092\u8a08\u7b97\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u3087\u3046\u30022\u3064\u306e\u7269\u4f53\u306e\u885d\u7a81\u3067\u306f\u3001\u76f8\u5bfe\u901f\u5ea6\u3092\u5229\u7528\u3057\u3066\u8a08\u7b97\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\u3001\u3069\u306e\u3088\u3046\u306b\u306f\u306d\u8fd4\u308a\u4fc2\u6570\u3092\u5229\u7528\u3057\u3066\u901f\u5ea6\u3092\u8a08\u7b97\u3059\u308c\u3070\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u306f\u306d\u8fd4\u308a\u4fc2\u6570\u306e\u6982\u5ff5\u30842\u3064\u306e\u7269\u4f53\u306b\u3088\u308b\u885d\u7a81\u5f8c\u306e\u901f\u3055\u3001\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u3068\u306e\u95a2\u4fc2\u306a\u3069\u3092\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h2>\u901f\u5ea6\u3092\u7528\u3044\u308b\u306f\u306d\u8fd4\u308a\u4fc2\u6570\uff08\u53cd\u767a\u4fc2\u6570\uff09\u306e\u516c\u5f0f<\/h2>\n<p>\u58c1\u306b\u885d\u7a81\u3059\u308b\u3068\u3001\u3059\u3079\u3066\u306e\u7269\u4f53\u306f\u306f\u306d\u8fd4\u308a\u307e\u3059\u3002\u58c1\u304c\u786c\u3044\u5834\u5408\u3001\u8df3\u306d\u8fd4\u3063\u305f\u5f8c\u3067\u3042\u3063\u3066\u3082\u30b9\u30d4\u30fc\u30c9\u6e1b\u5c11\u306f\u308f\u305a\u304b\u3067\u3059\u3002\u4e00\u65b9\u3067\u58c1\u304c\u67d4\u3089\u304b\u3044\u6750\u8cea\u3067\u4f5c\u3089\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u306f\u306d\u8fd4\u3063\u305f\u5f8c\u306e\u30b9\u30d4\u30fc\u30c9\u306f\u9045\u3044\u3067\u3059\u3002\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u885d\u6483\u304c\u3059\u3079\u3066\u58c1\u306b\u5438\u53ce\u3055\u308c\u3001\u306f\u306d\u8fd4\u3089\u305a\u306b\u7269\u4f53\u304c\u9759\u6b62\u3059\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3044\u305a\u308c\u306b\u3057\u3066\u3082\u3001\u7269\u4f53\u304c\u58c1\u306b\u885d\u7a81\u3059\u308b\u3068\u306f\u306d\u8fd4\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3069\u308c\u3060\u3051\u306e\u901f\u5ea6\u3067\u306f\u306d\u8fd4\u3055\u308c\u308b\u306e\u304b\u3092\u8868\u3059\u306e\u304c\u306f\u306d\u8fd4\u308a\u4fc2\u6570\\(e\\)\u3067\u3059\u3002\u306f\u306d\u8fd4\u308a\u4fc2\u6570\\(e\\)\u306f\u4ee5\u4e0b\u306e\u516c\u5f0f\u306b\u3088\u3063\u3066\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(e=-\\displaystyle\\frac{v_A&#8217;-v_B&#8217;}{v_A-v_B}\\)<\/li>\n<\/ul>\n<p>\u305f\u3060\u3001\u3053\u306e\u516c\u5f0f\u306f\u7d76\u5bfe\u306b\u899a\u3048\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<span 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\/><\/p>\n<p>\u5f3e\u6027\u885d\u7a81\u3067\u306f\\(e=1\\)\u3067\u3042\u308b\u305f\u3081\u3001\u885d\u7a81\u524d\u5f8c\u306e\u901f\u5ea6\u306f\u540c\u3058\u3067\u3059\u3002\u305d\u308c\u306b\u5bfe\u3057\u3066\u3001\u975e\u5f3e\u6027\u885d\u7a81\u3067\u306f\u885d\u7a81\u5f8c\u306e\u30b9\u30d4\u30fc\u30c9\u304c\u843d\u3061\u307e\u3059\u3002\u4e16\u306e\u4e2d\u306e\u7269\u7406\u73fe\u8c61\u3067\u306f\u3001\u307b\u3068\u3093\u3069\u304c\u975e\u5f3e\u6027\u885d\u7a81\u3067\u3059\u3002\u307e\u305f\u5b8c\u5168\u975e\u5f3e\u6027\u885d\u7a81\u3067\u306f\u3001\u7269\u4f53\u304c\u58c1\u306b\u885d\u7a81\u3059\u308b\u3068\u306f\u306d\u8fd4\u3089\u305a\u306b\u6b62\u307e\u308a\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u901a\u5e38\u3001\u7269\u4f53\u304c\u885d\u7a81\u3059\u308b\u3068\u304d\u306f\u529b\u5b66\u7684\u30a8\u30cd\u30eb\u30ae\u30fc\u4fdd\u5b58\u5247\u3092\u5229\u7528\u3067\u304d\u307e\u305b\u3093\u3002\u885d\u7a81\u306b\u3088\u3063\u3066\u30a8\u30cd\u30eb\u30ae\u30fc\u306f\u71b1\u3084\u97f3\u306b\u5909\u308f\u308a\u307e\u3059\u3002\u8a00\u3044\u63db\u3048\u308b\u3068\u3001\u7269\u4f53\u306e\u885d\u7a81\u6642\u306f\u975e\u5f3e\u6027\u885d\u7a81\u3068\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081<span style=\"color: #0000ff;\">\u7269\u4f53\u304c\u885d\u7a81\u3059\u308b\u3068\u304d\u306f\u529b\u5b66\u7684\u30a8\u30cd\u30eb\u30ae\u30fc\u4fdd\u5b58\u5247\u3067\u306f\u306a\u304f\u3001\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u3092\u5229\u7528\u3057\u3066\u8a08\u7b97\u3057\u307e\u3059\u3002<\/span><\/p>\n<p>\u3057\u304b\u3057\u5f3e\u6027\u885d\u7a81\u306e\u5834\u5408\u3001\u885d\u7a81\u524d\u5f8c\u306e\u30b9\u30d4\u30fc\u30c9\u304c\u540c\u3058\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u71b1\u3084\u97f3\u3068\u3057\u3066\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u653e\u51fa\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u5f3e\u6027\u885d\u7a81\u306e\u5834\u5408\u3001\u4f8b\u5916\u7684\u306b\u529b\u5b66\u7684\u30a8\u30cd\u30eb\u30ae\u30fc\u4fdd\u5b58\u5247\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>2\u3064\u306e\u7269\u4f53\u304c\u885d\u7a81\u3059\u308b\u3068\u304d\u306e\u306f\u306d\u8fd4\u308a\u4fc2\u6570\u3068\u76f8\u5bfe\u901f\u5ea6<\/h2>\n<p>\u6b21\u306b\u30012\u3064\u306e\u52d5\u3044\u3066\u3044\u308b\u7269\u4f53\u304c\u885d\u7a81\u3059\u308b\u3068\u304d\u306e\u306f\u306d\u8fd4\u308a\u4fc2\u6570\uff08\u53cd\u767a\u4fc2\u6570\uff09\u3092\u8a08\u7b97\u3057\u307e\u3057\u3087\u3046\u3002\u52d5\u3044\u3066\u3044\u308b\u7269\u4f53\u304c\u885d\u7a81\u3059\u308b\u3068\u3044\u3046\u72b6\u6cc1\u306f\u30012\u3064\u306e\u7269\u4f53\u306e\u901f\u5ea6\u304c\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u76f8\u5bfe\u901f\u5ea6\u3092\u5229\u7528\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u76f8\u5bfe\u901f\u5ea6\u3092\u5229\u7528\u3059\u308b\u3068\u3044\u3046\u306e\u306f\u3001\u8a00\u3044\u63db\u3048\u308b\u3068\u300c\u3069\u3061\u3089\u304b\u4e00\u65b9\u306e\u7269\u4f53\u3092\u9759\u6b62\u306e\u72b6\u614b\u3068\u8003\u3048\u305f\u5834\u5408\u3001\u3082\u3046\u4e00\u65b9\u306e\u7269\u4f53\u306f\u3069\u308c\u3060\u3051\u306e\u901f\u5ea6\u3067\u885d\u7a81\u3059\u308b\u306e\u304b\u300d\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u307010m\/s\u3067\u52d5\u3044\u3066\u3044\u308b\u30dc\u30fc\u30ebA\u30684m\/s\u3067\u540c\u65b9\u5411\u306b\u52d5\u3044\u3066\u3044\u308b\u30dc\u30fc\u30ebB\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002\u30dc\u30fc\u30ebB\u3092\u9759\u6b62\u306e\u72b6\u614b\u3068\u8003\u3048\u308b\u5834\u5408\u3001\u30dc\u30fc\u30ebB\u304b\u3089\u898b\u308b\u3068\u3001\u30dc\u30fc\u30ebA\u306f6m\/s\u306e\u30b9\u30d4\u30fc\u30c9\u3067\u30dc\u30fc\u30ebB\u306b\u5411\u304b\u3063\u3066\u52d5\u3044\u3066\u3044\u308b\u3068\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u4e00\u65b9\u3067\u30dc\u30fc\u30ebA\u3092\u9759\u6b62\u306e\u72b6\u614b\u3068\u8003\u3048\u308b\u5834\u5408\u3001\u30dc\u30fc\u30ebB\u306f6m\/s\u306e\u30b9\u30d4\u30fc\u30c9\u3067\u30dc\u30fc\u30ebA\u306b\u5411\u304b\u3063\u3066\u52d5\u3044\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/cjfh4.jpg\" alt=\"\" width=\"600\" height=\"243\" class=\"aligncenter size-full wp-image-9098\" \/><\/p>\n<p>\u76f8\u5bfe\u901f\u5ea6\u3067\u306f\u3001\u3069\u3061\u3089\u3092\u57fa\u6e96\u306b\u3057\u3066\u3082\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002\u76f8\u5bfe\u901f\u5ea6\u3092\u7528\u3044\u3066\u8a08\u7b97\u3059\u308b\u305f\u3081\u3001\u7740\u76ee\u3059\u308b\u7269\u4f53\u3092\u5909\u3048\u3066\u3082\u5f53\u7136\u306a\u304c\u3089\u76f8\u5bfe\u901f\u5ea6\u306f\u4e00\u81f4\u3057\u307e\u3059\u3002<\/p>\n<p>\u76f8\u5bfe\u901f\u5ea6\u3092\u5229\u7528\u3059\u308c\u3070\u3001\u4e00\u65b9\u306e\u7269\u4f53\u3092\u9759\u6b62\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u58c1\u306b\u885d\u7a81\u3059\u308b\u5834\u9762\u3068\u540c\u3058\u72b6\u614b\u3092\u4f5c\u308c\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/cjfh5.jpg\" alt=\"\" width=\"600\" height=\"133\" class=\"aligncenter size-full wp-image-9099\" \/><\/p>\n<p>\u305d\u3053\u3067\u7269\u4f53A\u3068\u7269\u4f53B\u306b\u3064\u3044\u3066\u3001\u885d\u7a81\u524d\u306e\u901f\u5ea6\u3092\\(v_A,v_B\\)\u3001\u885d\u7a81\u5f8c\u306e\u901f\u5ea6\u3092\\(v_A&#8217;,v_B&#8217;\\)\u3068\u3057\u307e\u3057\u3087\u3046\u3002\u3053\u306e\u5834\u5408\u3001\u76f8\u5bfe\u901f\u5ea6\u3068\u306f\u306d\u8fd4\u308a\u4fc2\u6570\u3092\u7528\u3044\u3066\u4ee5\u4e0b\u306e\u5f0f\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(v_A&#8217;-v_B&#8217;=-e(v_A-v_B)\\)<\/li>\n<\/ul>\n<p>\u307e\u305f\u5148\u307b\u3069\u306e\u5f0f\u3092\u5909\u5f62\u3059\u308b\u3068\u3001\u306f\u306d\u8fd4\u308a\u4fc2\u6570\u306e\u516c\u5f0f\u3092\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(e=-\\displaystyle\\frac{v_A&#8217;-v_B&#8217;}{v_A-v_B}\\)<\/li>\n<\/ul>\n<p>\u306a\u304a\u76f8\u5bfe\u901f\u5ea6\u3092\u5229\u7528\u3059\u308b\u305f\u3081\u3001\u5148\u307b\u3069\u306e\u8a08\u7b97\u5f0f\u306b\u3064\u3044\u3066\u3001\\(v_A\\)\u3068\\(v_B\\)\u304c\u9006\u306b\u306a\u3063\u3066\u3082\u554f\u984c\u306a\u3044\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u4ee5\u4e0b\u306e\u5f0f\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(v_B&#8217;-v_A&#8217;=-e(v_B-v_A)\\)<\/li>\n<\/ul>\n<p>\u3069\u3061\u3089\u306e\u7269\u4f53\u3092\u57fa\u6e96\u306b\u3057\u3066\u3082\u7d50\u679c\u306f\u540c\u3058\u3067\u3042\u308a\u3001\u516c\u5f0f\u3092\u899a\u3048\u3066\u3082\u610f\u5473\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u3046\u3067\u306f\u306a\u304f\u3001\u516c\u5f0f\u304c\u3082\u3064\u672c\u8cea\u3092\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u306a\u304a\u7269\u4f53\u306e\u904b\u52d5\u3067\u306f\u30d9\u30af\u30c8\u30eb\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u306f\u306d\u8fd4\u308a\u4fc2\u6570\u3092\u5229\u7528\u3067\u304d\u308b\u306e\u306f\u3001\u4e00\u76f4\u7dda\u4e0a\u3067\u306e\u904b\u52d5\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u5fc5\u305a\u30d9\u30af\u30c8\u30eb\u306e\u5411\u304d\uff08\u7269\u4f53\u306e\u904b\u52d5\u306e\u5411\u304d\uff09\u306b\u7740\u76ee\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u306f\u306d\u8fd4\u308a\u4fc2\u6570\uff08\u53cd\u767a\u4fc2\u6570\uff09\u3092\u5229\u7528\u3059\u308b\u7df4\u7fd2\u554f\u984c<\/h3>\n<p>\u305d\u308c\u3067\u306f\u3001\u306f\u306d\u8fd4\u308a\u4fc2\u6570\uff08\u53cd\u767a\u4fc2\u6570\uff09\u3092\u7528\u3044\u305f\u7269\u7406\u306e\u554f\u984c\u3092\u89e3\u3044\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4ee5\u4e0b\u306e\u554f\u984c\u306e\u7b54\u3048\u306f\u4f55\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u8cea\u91cf\\(m\\)\u306e\u7269\u4f53A\u306f\u53f3\u5411\u304d\u306b\u901f\u5ea6\\(2v\\)\u3067\u52d5\u3044\u3066\u304a\u308a\u3001\u8cea\u91cf\\(4m\\)\u306e\u7269\u4f53B\u306f\u5de6\u5411\u304d\u306b\u901f\u5ea6\\(v\\)\u3067\u52d5\u3044\u3066\u3044\u307e\u3059\u3002\u7269\u4f53A\u3068\u7269\u4f53B\u306f\u885d\u7a81\u3057\u3001\u885d\u7a81\u5f8c\u306e\u901f\u5ea6\u306f\u305d\u308c\u305e\u308c\\(v_A,v_B\\)\u3067\u3059\u3002\u306a\u304a\u3001\u306f\u306d\u8fd4\u308a\u4fc2\u6570\u306f0.5\u3067\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/cjfh10.jpg\" alt=\"\" width=\"366\" height=\"160\" class=\"aligncenter size-full wp-image-9107\" \/><\/p>\n<ol>\n<li>\u885d\u7a81\u5f8c\u306e\u7269\u4f53A\u3068\u7269\u4f53B\u306e\u901f\u3055\u3092\u6c42\u3081\u307e\u3057\u3087\u3046\u3002<\/li>\n<li>\u7269\u4f53A\u304c\u53d7\u3051\u305f\u529b\u7a4d\u3092\u6c42\u3081\u307e\u3057\u3087\u3046\u3002<\/li>\n<\/ol>\n<p><strong>1)\u00a0\u885d\u7a81\u5f8c\u306e\u7269\u4f53A\u3068\u7269\u4f53B\u306e\u901f\u3055\u3092\u6c42\u3081\u307e\u3057\u3087\u3046<\/strong><\/p>\n<p>\u307e\u305a\u3001\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u3092\u5229\u7528\u3057\u3066\u5f0f\u3092\u4f5c\u308a\u307e\u3057\u3087\u3046\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\\(m\u00b72v+4m(-v)=mv_A+4mv_B\\)<\/p>\n<p>\\(-2v=v_A+4v_B\\)<\/p>\n<p>\u6b21\u306b\u3001\u306f\u306d\u8fd4\u308a\u4fc2\u6570\u3092\u5229\u7528\u3057\u3066\u5f0f\u3092\u4f5c\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\\(v_A-v_B=-0.5(2v+v)\\)<\/p>\n<p>\\(v_A-v_B=-1.5v\\)<\/p>\n<p>\\(v_A=-\\displaystyle\\frac{3}{2}v+v_B\\)<\/p>\n<p>\u306f\u306d\u8fd4\u308a\u4fc2\u6570\u3092\u5229\u7528\u3057\u3066\u5f0f\u3092\u4f5c\u308b\u3068\u304d\u3001\u5f0f\u306b\u30de\u30a4\u30ca\u30b9\u3092\u52a0\u3048\u308b\u306e\u3092\u5fd8\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002\u6b21\u306b\u3001\\(v_A=-\\displaystyle\\frac{3}{2}v+v_B\\)\u3092\\(-2v=v_A+4v_B\\)\u306b\u4ee3\u5165\u3057\u307e\u3059\u3002<\/p>\n<p>\\(-2v=v_A+4v_B\\)<\/p>\n<p>\\(-2v=-\\displaystyle\\frac{3}{2}v+v_B+4v_B\\)<\/p>\n<p>\\(-\\displaystyle\\frac{1}{2}v=5v_B\\)<\/p>\n<p>\\(v_B=-\\displaystyle\\frac{1}{10}v\\)<\/p>\n<p>\u307e\u305f\\(v_A=-\\displaystyle\\frac{3}{2}v+v_B\\)\u3088\u308a\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\\(v_A=-\\displaystyle\\frac{3}{2}v+v_B\\)<\/p>\n<p>\\(v_A=-\\displaystyle\\frac{3}{2}v-\\displaystyle\\frac{1}{10}v\\)<\/p>\n<p>\\(v_A=-\\displaystyle\\frac{16}{10}v\\)<\/p>\n<p>\\(v_A=-\\displaystyle\\frac{8}{5}v\\)<\/p>\n<p>\u3053\u3046\u3057\u3066\\(v_A=-\\displaystyle\\frac{8}{5}v\\)\u3001\\(v_B=-\\displaystyle\\frac{1}{10}v\\)\u3068\u8a08\u7b97\u3067\u304d\u307e\u3057\u305f\u3002\u8a00\u3044\u63db\u3048\u308b\u3068\u3001\u885d\u7a81\u5f8c\u306b\u7269\u4f53A\u306f\u5de6\u5411\u304d\u306b\\(\\displaystyle\\frac{8}{5}v\\)\u3001\u7269\u4f53B\u306f\u5de6\u5411\u304d\u306b\\(\\displaystyle\\frac{1}{10}v\\)\u306e\u30b9\u30d4\u30fc\u30c9\u3067\u52d5\u304d\u307e\u3059\u3002<\/p>\n<p><strong>2) \u7269\u4f53A\u304c\u53d7\u3051\u305f\u529b\u7a4d\u3092\u6c42\u3081\u307e\u3057\u3087\u3046<\/strong><\/p>\n<p>\u904b\u52d5\u91cf\u306e\u5909\u5316\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u529b\u7a4d\\(Ft\\)\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002\u904b\u52d5\u91cf\u306e\u5909\u5316\u5f8c\u3068\u5909\u5316\u524d\u3092\u5229\u7528\u3057\u3001\u4ee5\u4e0b\u306e\u5f0f\u3092\u4f5c\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\\(Ft=m\u00b7-\\displaystyle\\frac{8}{5}v-2mv\\)<\/p>\n<p>\\(Ft=-\\displaystyle\\frac{18}{5}mv\\)<\/p>\n<p>\u3053\u3046\u3057\u3066\u3001\u7269\u4f53A\u304c\u53d7\u3051\u305f\u529b\u7a4d\u306f\\(-\\displaystyle\\frac{18}{5}mv\\)\u3068\u8a08\u7b97\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<h2>\u306f\u306d\u8fd4\u308a\u4fc2\u6570\u3068\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u3092\u5229\u7528\u3057\u3066\u5f0f\u3092\u4f5c\u308b<\/h2>\n<p>\u306f\u306d\u8fd4\u308a\u4fc2\u6570\uff08\u53cd\u767a\u4fc2\u6570\uff09\u3092\u5b66\u3076\u3068\u304d\u3001\u6559\u79d1\u66f8\u306b\u306f\u306f\u306d\u8fd4\u308a\u4fc2\u6570\u306e\u516c\u5f0f\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3001\u306f\u306d\u8fd4\u308a\u4fc2\u6570\u306e\u516c\u5f0f\u3092\u899a\u3048\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002<\/p>\n<p>\u58c1\u306b\u885d\u7a81\u3059\u308b\u3068\u304d\u3001\u901f\u5ea6\u306e\u9055\u3044\u3092\u8868\u3059\u6307\u6a19\u304c\u306f\u306d\u8fd4\u308a\u4fc2\u6570\u3067\u3042\u308b\u3053\u3068\u3092\u7406\u89e3\u3059\u308c\u3070\u3001\u516c\u5f0f\u306a\u3057\u306b\u5f0f\u3092\u4f5c\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u516c\u5f0f\u3092\u5229\u7528\u3057\u306a\u3044\u5834\u5408\u3067\u3042\u308c\u3070\u5fdc\u7528\u554f\u984c\u304c\u51fa\u3055\u308c\u3066\u3082\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a2\u3064\u306e\u7269\u4f53\u304c\u885d\u7a81\u3059\u308b\u3068\u304d\u3001\u306f\u306d\u8fd4\u308a\u4fc2\u6570\u3092\u5229\u7528\u3057\u3066\u885d\u7a81\u5f8c\u306e\u901f\u5ea6\u3092\u8a08\u7b97\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u3087\u3046\u3002\u3053\u306e\u3068\u304d\u306f\u76f8\u5bfe\u901f\u5ea6\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u5f0f\u3092\u4f5c\u308c\u307e\u3059\u3002\u307e\u305f\u7269\u4f53\u306e\u885d\u7a81\u3067\u306f\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u3092\u5229\u7528\u3067\u304d\u308b\u305f\u3081\u3001\u306f\u306d\u8fd4\u308a\u4fc2\u6570\u3068\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u3092\u7528\u3044\u3066\u5f0f\u3092\u4f5c\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u7269\u7406\u3067\u306f\u516c\u5f0f\u3092\u899a\u3048\u3066\u306f\u3044\u3051\u306a\u3044\u30b1\u30fc\u30b9\u304c\u591a\u304f\u3001\u305d\u306e\u4e00\u3064\u304c\u306f\u306d\u8fd4\u308a\u4fc2\u6570\u3067\u3059\u3002\u7269\u7406\u73fe\u8c61\u3092\u5b66\u3076\u3053\u3068\u3067\u3001\u306f\u306d\u8fd4\u308a\u4fc2\u6570\u306e\u516c\u5f0f\u3092\u5229\u7528\u305b\u305a\u306b2\u7269\u4f53\u306e\u885d\u7a81\u306b\u95a2\u3059\u308b\u554f\u984c\u3092\u89e3\u3051\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7269\u4f53\u304c\u58c1\u306b\u885d\u7a81\u3059\u308b\u3068\u3001\u7269\u4f53\u306f\u53cd\u5bfe\u5411\u304d\u306e\u30b9\u30d4\u30fc\u30c9\u3092\u3082\u3064\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u8a00\u3044\u63db\u3048\u308b\u3068\u3001\u7269\u4f53\u306f\u58c1\u306b\u306f\u306d\u8fd4\u3055\u308c\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u901f\u5ea6\u304c\u5909\u5316\u3057\u307e\u3059\u3002 \u7269\u4f53\u304c\u58c1\u306b\u885d\u7a81\u5f8c\u3001\u3069\u308c\u3060\u3051\u306e\u901f\u5ea6\u3067\u306f\u306d\u8fd4\u3055\u308c\u308b\u306e\u304b\u3092\u8868\u3059\u6307\u6a19\u306b\u3001\u306f\u306d\u8fd4\u308a\u4fc2\u6570\uff08\u53cd\u767a\u4fc2 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9109,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":{"0":"post-9092","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-physics-2"},"_links":{"self":[{"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/posts\/9092","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/comments?post=9092"}],"version-history":[{"count":9,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/posts\/9092\/revisions"}],"predecessor-version":[{"id":9543,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/posts\/9092\/revisions\/9543"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/media\/9109"}],"wp:attachment":[{"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/media?parent=9092"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/categories?post=9092"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/tags?post=9092"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}