{"author_url":"https://blog.hatena.ne.jp/egory_cat/","version":"1.0","provider_name":"Hatena Blog","author_name":"egory_cat","published":"2025-12-09 09:23:25","title":"\u90062\u4e57\u5247\u306f\u5fc5\u7136","provider_url":"https://hatena.blog","image_url":null,"url":"https://egory-cat.hatenablog.com/entry/2025/12/09/092325","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fegory-cat.hatenablog.com%2Fentry%2F2025%2F12%2F09%2F092325\" title=\"\u90062\u4e57\u5247\u306f\u5fc5\u7136 - \u73fe\u5b9f\u3068\u6570\u5b66\u306e\u533a\u5225\u304c\u4ed8\u304b\u306a\u3044\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"\u73fe\u5b9f\u3068\u6570\u5b66\u306e\u533a\u5225\u304c\u4ed8\u304b\u306a\u3044","height":"190","categories":[],"width":"100%","blog_url":"https://egory-cat.hatenablog.com/","description":"\u4e07\u6709\u5f15\u529b\u306e\u6cd5\u5247\u3084\u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247\u306b\u4ee3\u8868\u3055\u308c\u308b\u3088\u3046\u306b\uff0c\u7269\u7406\u91cf\u306e\u5927\u304d\u3055\u304c\u305d\u306e\u767a\u751f\u6e90\u304b\u3089\u306e\u8ddd\u96e2\u306e\u9006\u4e8c\u4e57\u306b\u6bd4\u4f8b\u3059\u308b\u73fe\u8c61\u306f\u5e83\u304f\u77e5\u3089\u308c\u3066\u3044\u308b\uff0e ja.wikipedia.org \u767a\u751f\u6e90\u304c\u7c92\u5b50\uff08\u70b9\uff09\u3067\u3042\u308b\u4fdd\u5b58\u529b\u5834 \uff08\u30dd\u30c6\u30f3\u30b7\u30e3\u30eb\u3092\u6301\u3064\u30d9\u30af\u30c8\u30eb\u5834\uff09\u304c\u90062\u4e57\u5247\u3092\u6e80\u305f\u3059\u3053\u3068\u304c\u5fc5\u7136\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3059\uff0e\\begin{align*}{\\bf r}:=(x,y,z),\\quad r:=|{\\bf r}|=\\sqrt{x^2+y^2+z^2}\\end{align*}\u3068\u3059\u308b\u3068\uff0c \u304c\u90062\u4e57\u5247\u3092\u6e80\u305f\u3059\u3068\u3044\u3046\u306e\u306f\uff0c\u3042\u308b\u5b9a\u6570 \u306b\u3088\u308a\\begin{align*}F=\\dfrac{k}{r^3}{\\bf r} \\end{align*}\u3068\u66f8\u308b\u2026"}