{"id":8961,"date":"2022-08-14T23:54:57","date_gmt":"2022-08-14T14:54:57","guid":{"rendered":"https:\/\/hatsudy.com\/jp\/?p=8961"},"modified":"2022-09-06T17:57:49","modified_gmt":"2022-09-06T08:57:49","slug":"moment-of-force","status":"publish","type":"post","link":"https:\/\/hatsudy.com\/jp\/moment-of-force.html","title":{"rendered":"\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\uff1a\u525b\u4f53\u306e\u3064\u308a\u5408\u3044\u3084\u516c\u5f0f\u306e\u4f7f\u3044\u65b9\u3001\u529b\u306e\u5411\u304d\u30fb\u5206\u89e3\u65b9\u6cd5"},"content":{"rendered":"\n<p>\u5927\u304d\u3055\u304c\u3042\u308a\u3001\u5916\u304b\u3089\u529b\u304c\u52a0\u308f\u3063\u3066\u3082\u5909\u5f62\u3057\u306a\u3044\u7269\u4f53\u3092\u525b\u4f53\u3068\u3044\u3044\u307e\u3059\u3002\u525b\u4f53\u3092\u68d2\u306b\u3064\u308b\u3059\u5834\u5408\u3001\u68d2\u306f\u56de\u8ee2\u3057\u307e\u3059\u3002\u525b\u4f53\u306b\u3088\u3063\u3066\u751f\u307e\u308c\u308b\u56de\u8ee2\u3059\u308b\u529b\u3092\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3068\u3044\u3044\u307e\u3059\u3002<\/p>\n<p>\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3059\u308b\u3068\u304d\u3001\u8ddd\u96e2\u3068\u91cd\u3055\u304c\u91cd\u8981\u3067\u3059\u3002\u305f\u3060\u89d2\u5ea6\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3001\u3069\u306e\u3088\u3046\u306b\u89d2\u5ea6\u3092\u5229\u7528\u3057\u3066\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3059\u308c\u3070\u3044\u3044\u306e\u304b\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u307e\u305f\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u525b\u4f53\u306e\u3064\u308a\u5408\u3044\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002\u525b\u4f53\u304c\u9759\u6b62\u3057\u3066\u3044\u308b\u72b6\u614b\u3068\u3044\u3046\u306e\u306f\u3001\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u304c\u540c\u3058\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u5229\u7528\u3057\u3066\u5f0f\u3092\u4f5c\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\u3001\u3069\u306e\u3088\u3046\u306b\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3059\u308c\u3070\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u525b\u4f53\u306b\u50cd\u304f\u529b\u306e\u3064\u308a\u5408\u3044\u3092\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h2>\u525b\u4f53\u3092\u56de\u8ee2\u3055\u305b\u308b\u529b\u304c\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8<\/h2>\n<p>\u68d2\u306b\u525b\u4f53\u3092\u3064\u308b\u3059\u3068\u56de\u8ee2\u3055\u305b\u308b\u529b\u304c\u50cd\u304d\u307e\u3059\u3002\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3067\u306f\u68d2\u3068\u525b\u4f53\u306e\u95a2\u4fc2\u3092\u8003\u3048\u307e\u3059\u3002\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u56f3\u3067\u306f\u3001\u70b9A\u306b\u91cd\u308a\u3092\u3064\u308b\u3059\u3053\u3068\u306b\u3088\u308a\u3001\u70b9O\u3092\u652f\u70b9\u3068\u3057\u3066\u68d2\u306b\u306f\u77e2\u5370\u306e\u5411\u304d\u306b\u56de\u8ee2\u3059\u308b\u529b\u304c\u52a0\u308f\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/wtdh18.jpg\" alt=\"\" width=\"276\" height=\"252\" class=\"aligncenter size-full wp-image-8968\" \/><\/p>\n<p><span style=\"color: #0000ff;\">\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3059\u308b\u3068\u304d\u3001\u652f\u70b9\u304b\u3089\u306e\u8ddd\u96e2\u3068\u525b\u4f53\u306b\u3088\u308b\u91cd\u529b\u3092\u304b\u3051\u307e\u3059\u3002<\/span>\u9577\u3055\\(l\\)\u306e\u68d2\u306b\u5bfe\u3057\u3066\u3001\u5782\u76f4\u306b\u529b\\(F\\)\u304c\u52a0\u308f\u308b\u5834\u5408\u3001\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\\(M\\)\u306f\u4ee5\u4e0b\u306e\u5f0f\u306b\u3088\u3063\u3066\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(M=l\u00d7F\\)<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/wtdh16.jpg\" alt=\"\" width=\"195\" height=\"149\" class=\"aligncenter size-full wp-image-8965\" 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loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/wtdh19.jpg\" alt=\"\" width=\"185\" height=\"116\" class=\"aligncenter size-full wp-image-8969\" \/><\/p>\n<p>\u305f\u3060\u3001\u68d2\u3068\u529b\u306e\u5411\u304d\u304c\u5782\u76f4\u306e\u95a2\u4fc2\u3068\u306a\u3063\u3066\u3044\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u30b1\u30fc\u30b9\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/wtdh20.jpg\" alt=\"\" width=\"278\" height=\"130\" class=\"aligncenter size-full wp-image-8970\" \/><\/p>\n<p>\u3053\u306e\u3088\u3046\u306b\u5782\u76f4\u306e\u95a2\u4fc2\u306b\u306a\u3063\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u3069\u306e\u3088\u3046\u306b\u8003\u3048\u308c\u3070\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u8003\u3048\u65b9\u306f\u4e8c\u3064\u3042\u308a\u307e\u3059\u3002\u4e00\u3064\u76ee\u306f\u3001\u529b\u3092\u5206\u89e3\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u529b\u3092\u5206\u89e3\u3059\u308b\u3068\u3001\u68d2\u306b\u5bfe\u3057\u3066\u5782\u76f4\u65b9\u5411\u306e\u529b\u3092\u5f97\u308b\u306b\u306f\u3001\\(cos\u03b8\\)\u3092\u304b\u3051\u308c\u3070\u3044\u3044\u3068\u308f\u304b\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001<span style=\"color: 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#ff0000;\">\u529b\u306e\u5ef6\u9577\u7dda\u4e0a\u3092\u4f5c\u7528\u7dda\u3068\u547c\u3073\u3001\u4f5c\u7528\u7dda\u4e0a\uff08\u76f4\u7dda\u4e0a\uff09\u3067\u3042\u308c\u3070\u529b\u306e\u79fb\u52d5\u304c\u53ef\u80fd\u3067\u3059\u3002<\/span>\u305d\u3053\u3067\u3001\u652f\u70b9\u304b\u3089\u306e\u8ddd\u96e2\\(lcos\u03b8\\)\u3068\u529b\u306e\u5927\u304d\u3055\\(F\\)\u3092\u304b\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>\\(M=lcos\u03b8\u00d7F\\)<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/wtdh22.jpg\" alt=\"\" width=\"278\" height=\"160\" class=\"aligncenter size-full wp-image-8972\" \/><\/p>\n<p>\u3069\u3061\u3089\u306e\u65b9\u6cd5\u3067\u8a08\u7b97\u3057\u3066\u3082\u3001\\(M=lFcos\u03b8\\)\u306b\u3088\u3063\u3066\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3044\u305a\u308c\u306b\u3057\u3066\u3082\u3001\u68d2\u3068\u529b\u306e\u5411\u304d\u304c\u5782\u76f4\u3067\u306a\u3044\u5834\u5408\u3001\u89d2\u5ea6\u3092\u5229\u7528\u3057\u3066\u8a08\u7b97\u3059\u308c\u3070\u3044\u3044\u3053\u3068\u3092\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u529b\u306e\u4f5c\u7528\u7dda\u4e0a\u3067\u3042\u308c\u3070\u79fb\u52d5\u304c\u53ef\u80fd<\/h3>\n<p>\u306a\u304a\u5148\u307b\u3069\u3001\u4f5c\u7528\u7dda\u4e0a\uff08\u76f4\u7dda\u4e0a\uff09\u3067\u3042\u308c\u3070\u3001\u529b\u3092\u79fb\u52d5\u3067\u304d\u308b\u3053\u3068\u3092\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002\u529b\u306e\u5411\u304d\u3092\u5909\u3048\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002\u305f\u3060\u529b\u306e\u5411\u304d\u3092\u5909\u3048\u306a\u3044\u306e\u3067\u3042\u308c\u3070\u3001\u81ea\u7531\u306b\u79fb\u52d5\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u68d2\u3067\u306f\u306a\u304f\u3001\u677f\u306b\u5bfe\u3057\u3066\u529b\u3092\u52a0\u3048\u308b\u5834\u9762\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u652f\u70b9O\u3092\u57fa\u6e96\u306b\u3057\u305f\u9577\u65b9\u5f62\u306e\u677f\u306b\u5bfe\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u70b9B\u306b\u529b\\(F\\)\u3092\u52a0\u3048\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/wtdh24.jpg\" alt=\"\" width=\"204\" height=\"174\" class=\"aligncenter size-full wp-image-8974\" \/><\/p>\n<p>\u3053\u306e\u5834\u5408\u3001\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u3088\u3046\u306b\u8a08\u7b97\u3059\u308c\u3070\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u524d\u8ff0\u306e\u901a\u308a\u3001\u4f5c\u7528\u7dda\u4e0a\u3067\u3042\u308c\u3070\u81ea\u7531\u306b\u529b\u3092\u79fb\u52d5\u3067\u304d\u307e\u3059\u3002\u305d\u3053\u3067\u30d9\u30af\u30c8\u30eb\u306e\u5411\u304d\u3092\u5909\u3048\u306a\u3044\u3088\u3046\u306b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u79fb\u52d5\u3055\u305b\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/wtdh25.jpg\" alt=\"\" width=\"205\" height=\"146\" class=\"aligncenter size-full wp-image-8975\" \/><\/p>\n<p>\u3053\u3046\u3057\u3066\u3001\\(M=l\u00d7F\\)\u306b\u3088\u3063\u3066\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\u3001\u306a\u305c\u4f5c\u7528\u7dda\u4e0a\u3067\u3042\u308c\u3070\u529b\u3092\u79fb\u52d5\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3059\u308b\u3068\u304d\u3001\u5fc5\u305a\u7dda\u3068\u529b\u306e\u5411\u304d\u304c\u5782\u76f4\u3067\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002\u305d\u3053\u3067\u3001OB\u306e\u9577\u3055\u3068OB\u306b\u5782\u76f4\u306a\u529b\u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u89d2\u5ea6\u3092\u7528\u3044\u3066\u8a08\u7b97\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>OB\u306e\u9577\u3055\uff1a\\(\\displaystyle\\frac{l}{cos\u03b8}\\)<\/li>\n<li>OB\u306b\u5782\u76f4\u306a\u529b\uff1a\\(Fcos\u03b8\\)<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/djdh1.jpg\" alt=\"\" width=\"239\" height=\"211\" class=\"aligncenter size-full wp-image-8977\" \/><\/p>\n<p>\u305d\u3053\u3067OB\u306e\u9577\u3055\u3068OB\u306b\u5782\u76f4\u306a\u529b\u3092\u304b\u3051\u3001\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\\(M=\\displaystyle\\frac{l}{cos\u03b8}\u00d7Fcos\u03b8\\)<\/p>\n<p>\\(M=l\u00d7F\\)<\/p>\n<p>\u3053\u3046\u3057\u3066\u3001\u4f5c\u7528\u7dda\u4e0a\u3067\u529b\u3092\u79fb\u52d5\u3055\u305b\u305f\u3068\u304d\u3068\u540c\u3058\u5f0f\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002\u3053\u306e\u3088\u3046\u306b\u8a08\u7b97\u4e0a\u3067\u3082\u3001\u4f5c\u7528\u7dda\u4e0a\uff08\u76f4\u7dda\u4e0a\uff09\u3067\u3042\u308c\u3070\u529b\u3092\u52d5\u304b\u3057\u3066\u3082\u554f\u984c\u306a\u3044\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<h2>\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u8a08\u7b97\u65b9\u6cd5\uff1a\u6b63\u3068\u8ca0\u306e\u8003\u3048\u65b9<\/h2>\n<p>\u305d\u308c\u3067\u306f\u3001\u5b9f\u969b\u306b\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306b\u306f\u3001\u6642\u8a08\u56de\u308a\u306e\u529b\uff08\u53f3\u56de\u308a\u306e\u529b\uff09\u3068\u53cd\u6642\u8a08\u56de\u308a\u306e\u529b\uff08\u5de6\u56de\u308a\u306e\u529b\uff09\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u3069\u3061\u3089\u304b\u4e00\u3064\u3092\u6b63\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u3069\u3061\u3089\u3092\u6b63\u306b\u3057\u3066\u3082\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002\u8a08\u7b97\u7d50\u679c\u306f\u540c\u3058\u306b\u306a\u308b\u304b\u3089\u3067\u3059\u3002\u4f8b\u3048\u3070\u53f3\u56de\u308a\u306e\u529b\u3092\u6b63\u306b\u3057\u305f\u306e\u3067\u3042\u308c\u3070\u3001\u5de6\u56de\u308a\u306e\u529b\u3092\u8ca0\u306b\u3057\u307e\u3057\u3087\u3046\u3002\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u56f3\u306b\u3064\u3044\u3066\u3001\u70b9O\u3092\u652f\u70b9\u3068\u3059\u308b\u3068\u304d\u3001\u8cea\u91cf\\(m\\)\u3001\u9577\u3055\\(l\\)\u306e\u68d2\u3067\u306e\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u3069\u306e\u3088\u3046\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/yuu5.jpg\" alt=\"\" width=\"333\" height=\"214\" class=\"aligncenter size-full wp-image-9522\" \/><\/p>\n<p>\u65b9\u6cd5\u306f2\u3064\u3042\u308a\u3001\u3053\u308c\u307e\u3067\u8aac\u660e\u3057\u305f\u901a\u308a\u300c\u529b\u3092\u5206\u89e3\u3059\u308b\u300d\u307e\u305f\u306f\u300c\u529b\u3092\u4f5c\u7528\u7dda\u4e0a\u3067\u79fb\u52d5\u3055\u305b\u308b\u300d\u3053\u3068\u306b\u3088\u3063\u3066\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u53f3\u56de\u308a\u3068\u5de6\u56de\u308a\u306e\u3046\u3061\u3001\u3069\u3061\u3089\u304b\u4e00\u65b9\u3092\u6b63\u306b\u3057\u307e\u3057\u3087\u3046\u3002\u3069\u3061\u3089\u3092\u6b63\u306b\u3057\u3066\u3082\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002\u4eee\u306b\u53f3\u56de\u308a\u306e\u529b\u3092\u6b63\u306b\u3059\u308b\u5834\u5408\u3001\u5de6\u56de\u308a\u306e\u529b\u306f\u8ca0\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><strong>\u30fb\u529b\u3092\u5206\u89e3\u3059\u308b\u30b1\u30fc\u30b9<\/strong><\/p>\n<p>\u305d\u308c\u3067\u306f\u3001\u529b\u3092\u89d2\u5ea6\u306b\u3088\u3063\u3066\u5206\u89e3\u3059\u308b\u30d1\u30bf\u30fc\u30f3\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u529b\u3092\u5206\u89e3\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u53f3\u5411\u304d\u306e\u529b\u3068\u5de6\u5411\u304d\u306e\u529b\u3092\u305d\u308c\u305e\u308c\u8a08\u7b97\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/djdh9.jpg\" alt=\"\" width=\"332\" height=\"245\" class=\"aligncenter size-full wp-image-8979\" \/><\/p>\n<p>\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3059\u308b\u3068\u304d\u3001\u3053\u306e\u3084\u308a\u65b9\u306e\u307b\u3046\u304c\u308f\u304b\u308a\u3084\u3059\u3044\u3067\u3059\u3002\u529b\u306e\u5206\u89e3\u3092\u3059\u308b\u3068\u304d\u3001\u3069\u3053\u304c\u03b8\u306b\u306a\u308b\u306e\u304b\u3092\u628a\u63e1\u3059\u308c\u3070\u3001\u3053\u306e\u3088\u3046\u306b\u529b\u306e\u5206\u89e3\u304c\u53ef\u80fd\u3067\u3059\u3002\u306a\u304a\u53f3\u5411\u304d\u306e\u529b\u3092\u6b63\u3068\u3059\u308b\u305f\u3081\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306b\u95a2\u3059\u308b\u5f0f\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\\(M=Fsin\u03b8\u00b7l-\\displaystyle\\frac{l}{2}\u00b7mgcos\u03b8\\)<\/p>\n<p>\u8cea\u91cf\\(m\\)\u306e\u68d2\u3067\u306f\u3001\u4e0a\u56f3\u3088\u308a\u68d2\u306b\u5782\u76f4\u65b9\u5411\u306e\u529b\u306f\\(mgcos\u03b8\\)\u3067\u3059\u3002\u305f\u3060\u91cd\u529b\u306f\u7269\u8cea\u306e\u4e2d\u5fc3\uff08\u68d2\u306e\u4e2d\u70b9\uff09\u306b\u50cd\u304f\u305f\u3081\u3001\u9577\u3055\u306f\\(\\displaystyle\\frac{l}{2}\\)\u3092\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u30fb\u529b\u3092\u4f5c\u7528\u7dda\u4e0a\u3067\u79fb\u52d5\u3055\u305b\u308b\u30b1\u30fc\u30b9<\/strong><\/p>\n<p>\u6b21\u306b\u529b\u3092\u4f5c\u7528\u7dda\u4e0a\u3067\u79fb\u52d5\u3055\u305b\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3059\u308b\u3068\u304d\u3001\u68d2\u3068\u529b\u306f\u5fc5\u305a\u5782\u76f4\u3067\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002\u305d\u3053\u3067\u3001\u4f5c\u7528\u7dda\u4e0a\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u529b\u3092\u79fb\u52d5\u3055\u305b\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/djdh10.jpg\" alt=\"\" width=\"353\" height=\"280\" class=\"aligncenter size-full wp-image-8980\" \/><\/p>\n<p>\u3053\u3046\u3057\u3066\u3001\u68d2\u3068\u529b\u306e\u5411\u304d\u304c\u5782\u76f4\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u53f3\u5411\u304d\u306e\u529b\u3092\u6b63\u3001\u5de6\u56de\u308a\u306e\u529b\u3092\u8ca0\u3067\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u5f0f\u3092\u4f5c\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\\(M=Fsin\u03b8\u00b7l-\\displaystyle\\frac{l}{2}\u00b7mgcos\u03b8\\)<\/p>\n<p>\u529b\u3092\u5206\u89e3\u3059\u308b\u30b1\u30fc\u30b9\u3068\u8a08\u7b97\u7d50\u679c\u306f\u540c\u3058\u3067\u3059\u3002\u307e\u305f\u3001\u8a08\u7b97\u65b9\u6cd5\u306f\u3069\u3061\u3089\u3067\u3082\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002\u51fa\u984c\u3055\u308c\u308b\u554f\u984c\u306b\u5fdc\u3058\u3066\u3001\u3069\u3061\u3089\u306e\u65b9\u6cd5\u3092\u5229\u7528\u3057\u3066\u8a08\u7b97\u3059\u308b\u306e\u304b\u6c7a\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u65b9\u7a0b\u5f0f\u3092\u4f5c\u308a\u3001\u525b\u4f53\u306e\u3064\u308a\u5408\u3044\u3092\u8003\u3048\u308b<\/h3>\n<p>\u6b21\u306b\u3001\u525b\u4f53\u304c\u9759\u6b62\u3057\u3066\u3044\u308b\u72b6\u614b\uff08\u525b\u4f53\u306e\u3064\u308a\u5408\u3044\uff09\u3092\u5b66\u3073\u307e\u3057\u3087\u3046\u3002\u7269\u4f53\u304c\u52d5\u3044\u3066\u304a\u3089\u305a\u3001\u9759\u6b62\u3057\u3066\u3044\u308b\u72b6\u614b\u3067\u306f\u3001\u53f3\u56de\u308a\u306e\u529b\u3068\u5de6\u56de\u308a\u306e\u529b\u304c\u540c\u3058\u3067\u3059\u3002\u305d\u3053\u3067\u3001\u65b9\u7a0b\u5f0f\u3092\u4f5c\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u3087\u3046\u3002\u3064\u307e\u308a\u53f3\u56de\u308a\u306e\u529b\u3068\u5de6\u56de\u308a\u306e\u529b\u304c\u540c\u3058\u3088\u3046\u306b\u306a\u308b\u3088\u3046\u306b\u30a4\u30b3\u30fc\u30eb\u3067\u7d50\u3076\u306e\u3067\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u56f3\u3067\u68d2\u304c\u56de\u8ee2\u3057\u3066\u304a\u3089\u305a\u9759\u6b62\u3057\u3066\u3044\u308b\u306e\u3067\u3042\u308c\u3070\u3001\u4f5c\u308b\u3079\u304d\u5f0f\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\\(l\u00b7mg=x\u00b7Mg\\)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/ekfj1.jpg\" alt=\"\" width=\"319\" height=\"177\" class=\"aligncenter size-full wp-image-9487\" \/><\/p>\n<p>\u5de6\u56de\u308a\u306e\u529b\u3068\u53f3\u5411\u304d\u306e\u529b\u3092\u540c\u3058\u306b\u3059\u308b\u305f\u3081\u3001\u5f0f\u306f\\(l\u00b7mg=x\u00b7Mg\\)\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u6c34\u5e73\u68d2\u306e\u3064\u308a\u5408\u3044\uff1a\u7df4\u7fd2\u554f\u984c<\/h3>\n<p>\u305d\u308c\u3067\u306f\u3001\u3053\u3053\u307e\u3067\u306e\u89e3\u8aac\u3092\u53c2\u8003\u306b\u3057\u3066\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306b\u95a2\u3059\u308b\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<ul>\n<li>\u4ee5\u4e0b\u306e\u56f3\u306e\u3088\u3046\u306b\u3001\u9577\u3055\\(l\\)\u306e\u68d2AB\u304c\u5730\u9762\u3068\u5e73\u884c\u306b\u306a\u308b\u3088\u3046\u306bAC\u3068BC\u304c\u7cf8\u3067\u58c1\u3068\u3064\u306a\u304c\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u68d2AB\u306e\u4e2d\u70b9\u306b\u91cd\u3055\\(m\\)\u306e\u91cd\u308a\u3092\u3064\u308b\u3057\u307e\u3059\u3002\u306a\u304aAB\u3068BC\u306e\u89d2\u5ea6\u3092\u03b8\u3001\u91cd\u529b\u52a0\u901f\u5ea6\u3092\\(g\\)\u3068\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u68d2\u3068\u58c1\u306b\u3088\u3063\u3066\u751f\u3058\u308b\u6469\u64e6\u529b\u3068\u68d2\u306e\u91cd\u3055\u306f\u7121\u8996\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/djdh14.jpg\" alt=\"\" width=\"341\" height=\"224\" class=\"aligncenter size-full wp-image-8984\" \/><\/p>\n<ol>\n<li>\u70b9A\u3092\u652f\u70b9\u3068\u3059\u308b\u3068\u304d\u3001\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u5f0f\u3092\u4f5c\u308a\u307e\u3057\u3087\u3046\u3002\u307e\u305f\u3001\u529b\u306e\u3064\u308a\u5408\u3044\u306e\u5f0f\u3092\u4f5c\u308a\u307e\u3057\u3087\u3046\u3002<\/li>\n<li>\u70b9B\u3067\u306e\u7cf8\u306e\u5f35\u529b\\(T_B\\)\u3092\u6c42\u3081\u307e\u3057\u3087\u3046\u3002<\/li>\n<li>\u70b9A\u3067\u306e\u7cf8\u306e\u5f35\u529b\\(T_A\\)\u3092\u6c42\u3081\u307e\u3057\u3087\u3046\u3002<\/li>\n<li>\u70b9A\u3067\u306e\u6297\u529b\\(N\\)\u3092\u6c42\u3081\u307e\u3057\u3087\u3046\u3002<\/li>\n<\/ol>\n<p><strong>1) \u70b9A\u3092\u652f\u70b9\u3068\u3059\u308b\u3068\u304d\u3001\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u5f0f\u3092\u4f5c\u308a\u307e\u3057\u3087\u3046\u3002\u307e\u305f\u3001\u529b\u306e\u3064\u308a\u5408\u3044\u306e\u5f0f\u3092\u4f5c\u308a\u307e\u3057\u3087\u3046<\/strong><\/p>\n<p>\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3084\u529b\u306e\u3064\u308a\u5408\u3044\u306e\u5f0f\u3092\u4f5c\u308b\u3068\u304d\u3001\u4e00\u3064\u306e\u7269\u4f53\u306b\u7740\u76ee\u3057\u307e\u3057\u3087\u3046\u3002\u68d2\u306b\u7740\u76ee\u3059\u308b\u5834\u5408\u30013\u70b9\u3067\u63a5\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u91cd\u529b\u3092\u52a0\u3048\u30664\u3064\u306e\u529b\u304c\u68d2\u306b\u50cd\u3044\u3066\u3044\u308b\u3068\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u68d2\u3068\u58c1\uff1a\\(N\\)<\/li>\n<li>\u68d2\u3068\u7cf8AC\uff1a\\(T_A\\)<\/li>\n<li>\u68d2\u3068\u7cf8BC\uff1a\\(T_B\\)<\/li>\n<li>\u91cd\u529b\uff1a\\(mg\\)<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/djdh15.jpg\" alt=\"\" width=\"417\" height=\"284\" class=\"aligncenter size-full wp-image-8985\" \/><\/p>\n<p>\u305d\u3053\u3067\u70b9A\u3092\u652f\u70b9\u3068\u3057\u3066\u3001\u53f3\u56de\u308a\u306e\u529b\u3068\u5de6\u56de\u308a\u306e\u529b\u304c\u3064\u308a\u5408\u3046\u3088\u3046\u306b\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u5f0f\u3092\u4f5c\u308a\u307e\u3057\u3087\u3046\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\\(\\displaystyle\\frac{l}{2}\u00b7mg=l\u00b7T_Bsin\u03b8\\) &#8211; \u2460<\/p>\n<p>\u70b9A\u304c\u652f\u70b9\u3067\u3042\u308b\u305f\u3081\u3001\u8ddd\u96e2\u304c0\u306e\\(T_A\\)\u3092\u5f0f\u306b\u542b\u3081\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002\u307e\u305fN\u306f\u8ddd\u96e2\u304c0\u3067\u3042\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u68d2\u306b\u5bfe\u3059\u308b\u89d2\u5ea6\u304c0\u3067\u3042\u308b\u305f\u3081\u3001\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306b\u306f\u95a2\u4e0e\u3057\u307e\u305b\u3093\u3002<\/p>\n<p>\u307e\u305f\u3001\u529b\u306e\u3064\u308a\u5408\u3044\u306e\u5f0f\u3092\u4f5c\u308a\u307e\u3057\u3087\u3046\u3002\u9759\u6b62\u3057\u3066\u3044\u308b\u3068\u3044\u3046\u306e\u306f\u3001\u529b\u304c\u3064\u308a\u5408\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u305d\u3053\u3067\u6c34\u5e73\u65b9\u5411\u3068\u925b\u76f4\u65b9\u5411\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5f0f\u3092\u4f5c\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>\u6c34\u5e73\u65b9\u5411\uff1a\\(N=T_Bcos\u03b8\\) &#8211; \u2461<\/li>\n<li>\u925b\u76f4\u65b9\u5411\uff1a\\(T_A+T_Bsin\u03b8=mg\\) &#8211; \u2462<\/li>\n<\/ul>\n<p>\u3053\u3046\u3057\u3066\u3001\u529b\u306e\u3064\u308a\u5408\u3044\u306e\u5f0f\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3053\u308c\u3089\u306e\u5f0f\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u308c\u3070\u3001\u305d\u306e\u5f8c\u306e\u8a08\u7b97\u306f\u5bb9\u6613\u3067\u3059\u3002<\/p>\n<p><strong>2) \u70b9B\u3067\u306e\u7cf8\u306e\u5f35\u529b\\(T_B\\)\u3092\u6c42\u3081\u307e\u3057\u3087\u3046<\/strong><\/p>\n<p>\u5f0f\u2460\u3088\u308a\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\\(\\displaystyle\\frac{1}{2}l\u00b7mg=l\u00b7T_Bsin\u03b8\\)<\/p>\n<p>\\(T_B=\\displaystyle\\frac{mg}{2sin\u03b8}\\)<\/p>\n<p><strong>3) \u70b9A\u3067\u306e\u7cf8\u306e\u5f35\u529b\\(T_A\\)\u3092\u6c42\u3081\u307e\u3057\u3087\u3046<\/strong><\/p>\n<p>\u5f0f\u2460\u3068\u5f0f\u2462\u3088\u308a\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\\(T_A+T_Bsin\u03b8=mg\\)<\/p>\n<p>\\(T_A=mg-T_Bsin\u03b8\\)<\/p>\n<p>\\(T_A=mg-\\displaystyle\\frac{mg}{2}\\)<\/p>\n<p>\\(T_A=\\displaystyle\\frac{mg}{2}\\)<\/p>\n<p><strong>4) \u70b9A\u3067\u306e\u6297\u529b\\(N\\)\u3092\u6c42\u3081\u307e\u3057\u3087\u3046<\/strong><\/p>\n<p>\u5f0f\u2460\u3068\u5f0f\u2461\u3088\u308a\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\\(N=T_Bcos\u03b8\\)<\/p>\n<p>\\(N=\\displaystyle\\frac{mg}{2sin\u03b8}\u00d7cos\u03b8\\)<\/p>\n<p>\\(N=\\displaystyle\\frac{mg}{2tan\u03b8}\\)<\/p>\n<h2>\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u5229\u7528\u3057\u3001\u525b\u4f53\u306e\u3064\u308a\u5408\u3044\u306e\u5f0f\u3092\u4f5c\u308b<\/h2>\n<p>\u9759\u6b62\u72b6\u614b\u306e\u3064\u308a\u5408\u3044\u3092\u8003\u3048\u308b\u3068\u304d\u3001\u6c34\u5e73\u65b9\u5411\u3068\u925b\u76f4\u65b9\u5411\u306e\u529b\u306e\u3064\u308a\u5408\u3044\u3060\u3051\u3067\u306a\u304f\u3001\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8003\u616e\u3057\u307e\u3057\u3087\u3046\u3002\u68d2\u3084\u677f\u306b\u5bfe\u3057\u3066\u529b\u304c\u52a0\u308f\u3063\u3066\u3044\u308b\u5834\u5408\u3001\u525b\u4f53\u3092\u56de\u8ee2\u3055\u305b\u308b\u529b\u304c\u50cd\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3067\u306f\u3001\u9759\u6b62\u3057\u3066\u3044\u308b\u306e\u3067\u3042\u308c\u3070\u53f3\u56de\u308a\u306e\u529b\u3068\u5de6\u56de\u308a\u306e\u529b\u304c\u540c\u3058\u3067\u3059\u3002\u6b63\u306e\u529b\u3068\u8ca0\u306e\u529b\u304c\u540c\u3058\u3067\u3042\u308b\u305f\u3081\u3001\u7269\u4f53\u306f\u9759\u6b62\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u3002\u305d\u3053\u3067\u89d2\u5ea6\u3092\u7528\u3044\u3066\u529b\u3092\u5206\u89e3\u3057\u305f\u308a\u3001\u529b\u306e\u4f5c\u7528\u7dda\u4e0a\u3067\u79fb\u52d5\u3055\u305b\u305f\u308a\u3057\u3066\u3001\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306e\u5f0f\u3092\u4f5c\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u306a\u304a\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u5229\u7528\u3059\u308b\u554f\u984c\u304c\u51fa\u984c\u3055\u308c\u308b\u3068\u304d\u3001\u529b\u306e\u3064\u308a\u5408\u3044\u3082\u5229\u7528\u3057\u3066\u554f\u984c\u3092\u89e3\u304b\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044\u30b1\u30fc\u30b9\u304c\u591a\u3044\u3067\u3059\u3002\u305d\u3053\u3067\u4e00\u3064\u306e\u7269\u4f53\u306b\u7740\u76ee\u3057\u3001\u7269\u4f53\u306b\u50cd\u3044\u3066\u3044\u308b\u529b\u3092\u66f8\u304d\u51fa\u3057\u305f\u5f8c\u3001\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3068\u529b\u306e\u3064\u308a\u5408\u3044\u306b\u95a2\u308f\u308b\u5f0f\u3092\u4f5c\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u529b\u5b66\u3067\u306f\u3001\u56de\u8ee2\u3059\u308b\u3068\u304d\u306b\u3069\u3046\u529b\u304c\u50cd\u304f\u306e\u304b\u5b66\u3073\u307e\u3059\u3002\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u306f\u56de\u8ee2\u3059\u308b\u3068\u304d\u306b\u50cd\u304f\u529b\u3092\u8003\u3048\u308b\u5834\u5408\u306b\u91cd\u8981\u3067\u3059\u3002\u305d\u3053\u3067\u7269\u4f53\u306b\u50cd\u304f\u529b\u3092\u63a2\u3057\u3001\u5f0f\u3092\u4f5c\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5927\u304d\u3055\u304c\u3042\u308a\u3001\u5916\u304b\u3089\u529b\u304c\u52a0\u308f\u3063\u3066\u3082\u5909\u5f62\u3057\u306a\u3044\u7269\u4f53\u3092\u525b\u4f53\u3068\u3044\u3044\u307e\u3059\u3002\u525b\u4f53\u3092\u68d2\u306b\u3064\u308b\u3059\u5834\u5408\u3001\u68d2\u306f\u56de\u8ee2\u3057\u307e\u3059\u3002\u525b\u4f53\u306b\u3088\u3063\u3066\u751f\u307e\u308c\u308b\u56de\u8ee2\u3059\u308b\u529b\u3092\u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3068\u3044\u3044\u307e\u3059\u3002 \u529b\u306e\u30e2\u30fc\u30e1\u30f3\u30c8\u3092\u8a08\u7b97\u3059\u308b\u3068\u304d\u3001\u8ddd\u96e2\u3068\u91cd\u3055\u304c\u91cd\u8981\u3067\u3059\u3002\u305f\u3060 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