{"id":3823,"date":"2025-04-07T10:00:17","date_gmt":"2025-04-07T01:00:17","guid":{"rendered":"https:\/\/winroadrikeijyuku.com\/oita\/?p=3823"},"modified":"2025-06-26T20:17:45","modified_gmt":"2025-06-26T11:17:45","slug":"%e6%96%9c%e9%9d%a2%e4%b8%8a%e3%81%ae%e7%89%a9%e4%bd%93%e3%81%ae%e9%81%8b%e5%8b%95%e3%81%a8%e6%b0%b4%e5%b9%b3%e9%9d%a2%e4%b8%8a%e3%81%ae%e5%8f%b0%e3%81%ae%e9%81%8b%e5%8b%95%e9%87%8d%e8%a6%81%e5%95%8f","status":"publish","type":"post","link":"https:\/\/winroadrikeijyuku.com\/oita\/2025\/04\/07\/%e6%96%9c%e9%9d%a2%e4%b8%8a%e3%81%ae%e7%89%a9%e4%bd%93%e3%81%ae%e9%81%8b%e5%8b%95%e3%81%a8%e6%b0%b4%e5%b9%b3%e9%9d%a2%e4%b8%8a%e3%81%ae%e5%8f%b0%e3%81%ae%e9%81%8b%e5%8b%95%e9%87%8d%e8%a6%81%e5%95%8f\/","title":{"rendered":"\u659c\u9762\u4e0a\u306e\u7269\u4f53\u306e\u904b\u52d5\u3068\u6c34\u5e73\u9762\u4e0a\u306e\u53f0\u306e\u904b\u52d5(\u91cd\u8981\u554f\u984c\u96c627)| \u5927\u5206\u5e02 \u5927\u5b66\u53d7\u9a13 \u7269\u7406 \u587e |\u5927\u5206\u7406\u7cfb\u5c02\u9580\u587eWINROAD"},"content":{"rendered":"

\u56f3\uff11\u306e\u3088\u3046\u306a\u3001\u6c34\u5e73\u3068\u306e\u306a\u3059\u89d2\u304c\u03b8<\/span><\/em>\u306e\u306a\u3081\u3089\u304b\u306a\u659c\u9762\u3068\u306a\u3081\u3089\u304b\u306a\u925b\u76f4\u9762\u304b\u3089<\/span><\/p>\n

\u306a\u308b\u8cea\u91cfM\u306e\u53f0A\u3092\u8003\u3048\u3001<\/span>\u305d\u306e\u659c\u9762\u4e0a\u306b\u8cea\u91cfm\u306e\u5c0f\u7269\u4f53B\u3092\u304a\u304f\u3002\"\"<\/p>\n

\u3053\u306e\u5c0f\u7269\u4f53B\u306b\u8efd\u304f\u3066\u4f38\u3073\u306a\u3044\u7cf8\u306e\u4e00\u7aef\u3092\u3064\u306a\u304e\u3001\u305d\u308c\u3092\u3053\u306e\u659c\u9762\u4e0a\u7aef\u306b<\/p>\n

\u56fa\u5b9a\u3055\u308c\u305f\u8efd\u304f\u3066\u306a\u3081\u3089\u304b\u306b\u56de\u308b\u6ed1\u8eca\u306b\u901a\u3057\u3066\u3001\u305d\u306e\u3082\u3046\u4e00\u65b9\u306e\u7aef\u306b\u8cea\u91cfm\u306e<\/p>\n

\u5c0f\u7269\u4f53C\u3092\u3064\u306a\u3044\u3067\u3001\u5c0f\u7269\u4f53C\u3092\u6ed1\u8eca\u304b\u3089\u925b\u76f4\u306b\u3064\u308a\u4e0b\u3052\u305f\u3068\u304d\u53f0A\u306e\u925b\u76f4\u9762\u306b<\/p>\n

\u63a5\u3059\u308b\u3088\u3046\u306b\u3059\u308b\u3002\u5c0f\u7269\u4f53B\u3068\u6ed1\u8eca\u306e\u9593\u306e\u7cf8\u306f\u659c\u9762\u306b\u5e73\u884c\u306b\u4fdd\u305f\u308c\u3001\u3055\u3089\u306b<\/p>\n

\u5c0f\u7269\u4f53B\u3068C\u306f\u3044\u305a\u308c\u3082\u53f0A\u306e\u4e0a\u7aef\u307e\u305f\u306f\u4e0b\u7aef\u306b\u9054\u3057\u306a\u3044\u3068\u3057\u3001\u307e\u305f\u91cd\u529b\u52a0\u901f\u5ea6\u306e<\/p>\n

\u5927\u304d\u3055\u3092g\u9060\u304f\u3002\u7a7a\u6c17\u306e\u5f71\u97ff\u306f\u306a\u3044\u3082\u306e\u3068\u3057\u3066\u3001\u6b21\u306e\u554f\u3044\u306b\u7b54\u3048\u3088\u3002<\/p>\n

[A] \u56f3\uff11\u306e\u3088\u3046\u306b\u3001\u53f0A\u3092\u6c34\u5e73\u9762\u4e0a\u306b\u56fa\u5b9a\u3057\u3001\u5c0f\u7269\u4f53B \u3092\u659c\u9762\u4e0a\u306b\u6b62\u3081\u305f\u72b6\u614b\u304b\u3089<\/p>\n

\u9759\u304b\u306b\u306f\u306a\u3059\u3068\u3001\u5c0f\u7269\u4f53B\u3068C\u306f\u52d5\u304d\u59cb\u3081\u305f\u3002\u3053\u306e\u3068\u304d\u6b21\u306e\u554f\u3044\u306b\u7b54\u3048\u3088\u3002<\/p>\n

(\uff11) \u5c0f\u7269\u4f53C\u306f\u4e0a\u6607\u3059\u308b\u304b\u4e0b\u964d\u3059\u308b\u304b\u3002<\/p>\n

\u5c0f\u7269\u4f53B\u304b\u3089\u7cf8\u304c\u53d7\u3051\u308b\u529b\u306fmg<\/span> <\/em>sin\u03b8\u307e\u305f\u5c0f\u7269\u4f53C\u304b\u3089\u7cf8\u304c\u53d7\u3051\u308b\u529b\u306fmg<\/span><\/em>\u306a\u306e\u3067\u7cf8\u306fC\u5074\u306b\u52d5\u304f\u3001\u3088\u3063\u3066\u4e0b\u964d\u3059\u308b\u3002<\/span><\/span><\/p>\n

(\uff12) \u5c0f\u7269\u4f53C\u306e\u52a0\u901f\u5ea6\u306e\u5927\u304d\u3055\u3092\u6c42\u3081\u3088\u3002<\/p>\n

\u52a0\u901f\u5ea6\u03b1\u3001\u7cf8\u306e\u5f35\u529b\u3092T\u3068\u3057\u3066\u904b\u52d5\u65b9\u7a0b\u5f0f\u3092\u305f\u3066\u308b\u3068\u3001\"\"<\/span><\/p>\n

\u5c0f\u7269\u4f53B\u306b\u3064\u3044\u3066\u306e\u904b\u52d5\u65b9\u7a0b\u5f0f\u306f<\/span><\/p>\n

mg\u2212T=m\u03b1 \u3000\u2460\u5f0f<\/span><\/p>\n

\u5c0f\u7269\u4f53C\u306b\u3064\u3044\u3066\u306e\u904b\u52d5\u65b9\u7a0b\u5f0f\u306f<\/span><\/p>\n

T\u2212mg sin\u03b8=m\u03b1\u3000\u2461\u5f0f<\/span><\/p>\n

\u2460\u5f0f\uff0b\u2461\u5f0f\u3088\u308amg(1-sin\u03b8)\uff1d\uff12m\u03b1\u3057\u305f\u304c\u3063\u3066<\/span><\/p>\n

\u03b1\uff1dg(1-sin\u03b8)\/2<\/span><\/p>\n

(\uff13) \u7cf8\u304c\u5c0f\u7269\u4f53B\u3092\u5f15\u304f\u529b\u306e\u5927\u304d\u3055\u3092\u6c42\u3081\u3088\u3002\"\"<\/p>\n

\u2461\u5f0f\u2212\u2460\u5f0f\u3088\u308a\uff12T\u2212mg\u2212mg sin\u03b8\uff1d\uff10\u3057\u305f\u304c\u3063\u3066<\/span><\/p>\n

T=mg(1+ sin\u03b8)\/2<\/span><\/p>\n

(\uff14) \u7cf8\u304c\u6ed1\u8eca\u3092\u901a\u3057\u3066\u53f0A\u3092\u62bc\u3059\u529b\u306e\u6c34\u5e73\u65b9\u5411\u306e\u6210\u5206\u306e\u5927\u304d\u3055\u3092\u6c42\u3081\u3088\u3002<\/p>\n

T cos\u03b8\u306a\u306e\u3067mgcos\u03b8(1+ sin\u03b8)\/2<\/span><\/p>\n

 <\/p>\n

[B] \u56f3\uff12\u306e\u3088\u3046\u306b\u3001\u53f0A\u3092\u306a\u3081\u3089\u304b\u306a\u6c34\u5e73\u9762\u4e0a\u306b\u7f6e\u304d\u3001\u305d\u308c\u3092\u6c34\u5e73\u306b\u4e00\u5b9a\u306e\u529b\u3067\"\"<\/p>\n

\u5f15\u304f\u3053\u3068\u306b\u3088\u308a\u7b49\u52a0\u901f\u5ea6\u904b\u52d5\u3092\u3055\u305b\u308b\u3068\u3001\u5c0f\u7269\u4f53B\u304c\u659c\u9762\u4e0a\u306e\u3042\u308b\u4f4d\u7f6e\u306b\u6b62\u307e\u3063\u305f<\/p>\n

\u307e\u307e\u306b\u306a\u3063\u305f\u3002\u3053\u306e\u3068\u304d\u6b21\u306e\u554f\u3044\u306b\u7b54\u3048\u3088\u3002<\/p>\n

(\uff11) \u53f0A\u3092\u5f15\u304f\u529b\u306e\u5411\u304d\u306f\u3001\u56f3\uff12\u306e\u77e2\u5370P\u3068Q\u306e\u3044\u305a\u308c\u306e\u5411\u304d\u304b\u3002<\/p>\n

B\u306b\u659c\u9762\u306b\u5e73\u884c\u306a\u4e0b\u5411\u304d\u306e\u529b\u304c\u50cd\u3051\u3070\u826f\u3044\u306e\u3067B\u306bP\u306e\u65b9\u5411\u306e\u6163\u6027\u529b\u304c\u50cd\u3051\u3070\u826f\u3044\u3002\u3088\u3063\u3066Q\u306e\u65b9\u5411<\/span><\/p>\n

(\uff12) \u53f0A\u306e\u52a0\u901f\u5ea6\u306e\u5927\u304d\u3055\u3092\u6c42\u3081\u3088\u3002<\/p>\n

\u6163\u6027\u529b\u3092I\u3068\u3059\u308b\u3068\u659c\u9762\u306b\u5e73\u884c\u306a\u4e0b\u5411\u304d\u306e\u529b\u306f\u3000I cos\u03b8\uff0bmg sin\u03b8\u3053\u308c\u304c\u5f35\u529bT\u3068\u3064\u308a\u3042\u3048\u3070\u826f\u3044\u306e\u3067<\/p>\n

\u3000I cos\u03b8\uff0bmg sin\u03b8=T\u3000B\u304c\u53f0A\u306b\u5bfe\u3057\u3066\u9759\u6b62\u3057\u3066\u3044\u308b\u72b6\u614b\u3067\u306fT=mg\u3067\u3042\u308b\u306e\u3067\"\"<\/span><\/p>\n

I cos\u03b8=mg-mg sin\u03b8=mg(1- sin\u03b8)<\/span>\u3057\u305f\u304c\u3063\u3066I=mg(1-<\/span> sin\u03b8)\/cos\u03b8\u3053\u306e\u3068\u304d\u306e\u52a0\u901f\u5ea6\u306fg(1- sin\u03b8)\/cos\u03b8<\/span><\/p>\n

(\uff13) \u5c0f\u7269\u4f53B\u304c\u53f0A\u304b\u3089\u53d7\u3051\u308b\u6297\u529b\u306e\u5927\u304d\u3055\u3092\u6c42\u3081\u3088\u3002<\/p>\n

mg cos\u03b8\u2212I sin\u03b8<\/span><\/p>\n

\uff1dmg cos\u03b8\u2212mg(1- sin\u03b8) sin\u03b8\/cos\u03b8\uff1d{mg cos2<\/span>\u03b8-mg sin\u03b8+mg sin2<\/span>\u03b8}\/cos\u03b8<\/span><\/p>\n

=mg(1- sin\u03b8)\/cos\u03b8<\/span><\/p>\n

(\uff14) \u53f0A\u3092\u5f15\u304f\u529b\u306e\u5927\u304d\u3055\u3092\u6c42\u3081\u3088\u3002<\/p>\n

\u53f0A\u3068\u5c0f\u7269\u4f53BC\u304c\u4e00\u4f53\u3068\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u304b\u3089<\/span><\/p>\n

(M+2m)g(1- sin\u03b8)\/cos\u03b8<\/span><\/p>\n

[C] \u53f0A\u304c\u306a\u3081\u3089\u304b\u306a\u6c34\u5e73\u9762\u4e0a\u3092\u81ea\u7531\u306b\u52d5\u304f\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/p>\n

\u3055\u3089\u306b\u56f3\uff13\u306e\u3088\u3046\u306b\u5c0f\u7269\u4f53C\u306e\u53f3\u5074\u306b\u306a\u3081\u3089\u304b\u306a\u925b\u76f4\u306e\u58c1D\u3092\u53f0A\u306b\u56fa\u5b9a\u3057\u3001\"\"<\/p>\n

\u5c0f\u7269\u4f53\u3000C\u304c\u53f0A\u306e\u925b\u76f4\u9762\u306b\u63a5\u3057\u306a\u304c\u3089\u53f0A\u306b\u5bfe\u3057\u4e0a\u4e0b\u306b\u306e\u307f\u306a\u3081\u3089\u304b\u306b<\/p>\n

\u52d5\u304f\u3088\u3046\u306b\u3059\u308b\u3002\u3053\u306e\u72b6\u6cc1\u3067\u3001\u5c0f\u7269\u4f53B\u3092\u305d\u306e\u659c\u9762\u4e0a\u3067\u52d5\u304b\u306a\u3044\u3088\u3046\u306b\u652f\u3048\u3001<\/p>\n

\u304b\u3064\u3001\u53f0A\u3092\u6c34\u5e73\u9762\u4e0a\u3067\u52d5\u304b\u306a\u3044\u3088\u3046\u306b\u652f\u3048\u308b\u3002\u3053\u306e\u72b6\u614b\u304b\u3089\u53f0A\u3068\u5c0f\u7269\u4f53B\u306e\u652f\u3048\u3092\u540c\u6642\u306b\u9759\u304b\u306b\u5916\u3059\u3068\u3001\u53f0A\u304a\u3088\u3073\u5c0f\u7269\u4f53B<\/p>\n

\u3068C\u306f\u52d5\u304d\u59cb\u3081\u305f\u3002\u53f0A\u306b\u53d6\u308a\u4ed8\u3051\u305f\u58c1D\u304b\u3089\u306a\u308b\u90e8\u5206\u306e\u8cea\u91cf\u306f\u306a\u3044\u3082\u306e\u3068\u3057\u3066\u3002\u6b21\u306e\u554f\u3044\u306b\u7b54\u3048\u3088\u3002<\/p>\n

(\uff11) \u53f0A\u306e\u52a0\u901f\u5ea6\u306e\u5927\u304d\u3055\u3092\u03b1<\/span>A\u3001\u307e\u305f\u53f0A\u306b\u5bfe\u3057\u3066\u9759\u6b62\u3057\u305f(\u53f0A\u3068\u3068\u3082\u306b\u52d5\u304f)\u89b3\u6e2c\u8005\u304b\u3089\u898b\u305f\u3068\u304d\u306b\u3001\u5c0f\u7269\u4f53C \u304c\u925b\u76f4\u65b9\u5411\u306b\u52d5\u304f\u52a0\u901f\u5ea6\u306e\u5927\u304d\u3055\u3092\u03b1<\/span>C\u3068\u3059\u308b\u3068\u304d\u3001\u52a0\u901f\u5ea6\u306e\u5927\u304d\u3055\u306e\u6bd4\u03b1<\/span>C<\/span>\/\u03b1<\/span>A\u3092M,m,\u03b8<\/span><\/em>\u3092\u7528\u3044\u3066\u8868\u305b\u3002<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

\u307e\u305a\u904b\u52d5\u306e\u65b9\u5411\u3092\u660e\u78ba\u306b\u3057\u3088\u3046\u3002\u7cfb\u5168\u4f53\u306e\u91cd\u5fc3\u306e\u4f4d\u7f6e\u306f\u5909\u308f\u3089\u306a\u3044\u304b\u3089\u3001\u5c0f\u7269\u4f53B\u304c\u53f3\u306b\u79fb\u52d5\u3059\u308b\u306e\u3067\u91cd\u5fc3\u306f\u53f3\u306b\u79fb\u52d5\u3059\u308b\u3002<\/span><\/p>\n

\u91cd\u5fc3\u306f\u79fb\u52d5\u3057\u306a\u3044\u306e\u3067\u7cfb\u5168\u4f53\u306f\u5de6\u306b\u79fb\u52d5\u3059\u308b\u3002\u3053\u308c\u306b\u57fa\u3065\u3044\u3066\u305d\u308c\u305e\u308c\u306b\u50cd\u304f\u529b\u3092\u56f3\u793a\u3059\u308b\u3068\u3002<\/span><\/p>\n

\"\"<\/p>\n

\u5c0f\u7269\u4f53B\u306b\u3064\u3044\u3066\u306e\u904b\u52d5\u65b9\u7a0b\u5f0f\u306f<\/span><\/p>\n

\"\"\u2460<\/span><\/p>\n

\u5c0f\u7269\u4f53B\u306e\u659c\u9762\u306b\u5782\u76f4\u306a\u65b9\u5411\u306e\u3064\u308a\u3042\u3044\u306e\u5f0f\u306f<\/span><\/p>\n

\"\"\u2461<\/span><\/p>\n

\u5c0f\u7269\u4f53C\u306b\u3064\u3044\u3066\u306e\u904b\u52d5\u65b9\u7a0b\u5f0f\u306f<\/span><\/p>\n

\"\"\u2462<\/span><\/p>\n

\u5c0f\u7269\u4f53C\u306b\u3064\u3044\u3066\u306e\u6c34\u5e73\u65b9\u5411\u306e\u3064\u308a\u3042\u3044\u306e\u5f0f\u306f<\/span><\/p>\n

\"\"\u2463<\/span><\/p>\n

\u53f0A\u306b\u50cd\u304f\u529b\u3092\u56f3\u793a\u3059\u308b\u3068<\/span><\/p>\n

\"\"<\/span><\/p>\n

\u53f0A\u306b\u3064\u3044\u3066\u306e\u904b\u52d5\u65b9\u7a0b\u5f0f\u306f<\/span><\/p>\n

\"\"\u2464<\/span><\/p>\n

\u2460\u3088\u308a\"\"\u3000\u3053\u308c\u3068\u2461\u5f0f\u3092\u2464\u306b\u4ee3\u5165\u3059\u308b\u3068<\/span><\/p>\n

\"\"\u5c55\u958b\u3057\u3066\u6574\u7406\u3059\u308b\u3068<\/span><\/p>\n

\"\"<\/span><\/p>\n

\"\"\u3088\u3063\u3066<\/span><\/p>\n

\"\"<\/span><\/p>\n

\"\"<\/span><\/p>\n

(\uff12) \u03b1<\/span>C\u3092M,m,g<\/span><\/em>,\u03b8<\/span><\/em>\u3092\u7528\u3044\u3066\u8868\u305b\u3002<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

\u2460\u3001\u2462\u5f0f\u3088\u308a<\/span><\/p>\n

\"\"<\/span><\/p>\n

\"\"<\/span><\/p>\n

\"\"<\/span><\/p>\n

\"\"<\/span><\/p>\n

\"\"\u3068\u306a\u308a\u307e\u3059\u3002<\/span><\/p>\n

\uff08\u5927\u5206\u7406\u7cfb\u5c02\u9580\u587eWINROAD \u9996\u85e4\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"

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