{"id":1554,"date":"2026-10-30T03:00:00","date_gmt":"2026-10-29T18:00:00","guid":{"rendered":"https:\/\/quantumsea.net\/?p=1554"},"modified":"2026-10-27T09:44:28","modified_gmt":"2026-10-27T00:44:28","slug":"qs-archimedes-volume-buoyancy-20261024","status":"publish","type":"post","link":"https:\/\/quantumsea.net\/?p=1554","title":{"rendered":"\u30a2\u30eb\u30ad\u30e1\u30c7\u30b9\u306e\u539f\u7406\u3001\u540c\u3058\u91cd\u3055\u3067\u3082\u6d6e\u304f\u3082\u306e\u3068\u6c88\u3080\u3082\u306e\u304c\u3042\u308b\u7406\u7531"},"content":{"rendered":"<p>\u540c\u3058\u91cd\u3055\u306e\u4e8c\u3064\u306e\u7269\u4f53\u3092\u6c34\u306b\u5165\u308c\u3066\u3082\u3001\u4e00\u65b9\u306f\u6d6e\u304d\u3001\u3082\u3046\u4e00\u65b9\u306f\u6c88\u3080\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u9055\u3044\u3092\u751f\u3080\u306e\u306f\u3001\u91cd\u3055\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3069\u308c\u3060\u3051\u306e\u6c34\u3092\u62bc\u3057\u306e\u3051\u3001\u305d\u306e\u6c34\u304b\u3089\u3069\u308c\u3060\u3051\u306e\u4e0a\u5411\u304d\u306e\u529b\u3092\u53d7\u3051\u308b\u304b\u3082\u95a2\u4fc2\u3057\u307e\u3059\u3002\u3053\u306e\u529b\u304c<strong>\u6d6e\u529b<\/strong>\u3067\u3001\u305d\u306e\u5927\u304d\u3055\u3092\u7d50\u3073\u3064\u3051\u308b\u306e\u304c<strong>\u30a2\u30eb\u30ad\u30e1\u30c7\u30b9\u306e\u539f\u7406<\/strong>\u3067\u3059\u3002\u7269\u4f53\u306e\u4f53\u7a4d\u3092\u5909\u3048\u305f\u6570\u5024\u4f8b\u304b\u3089\u3001\u6d6e\u3044\u3066\u3044\u308b\u3068\u304d\u306e\u3064\u308a\u5408\u3044\u3092\u8aad\u307f\u89e3\u304d\u307e\u3059\u3002<\/p>\n<section class=\"influvetor-quick-summary\">\n<p><strong>\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f<\/strong><\/p>\n<ul>\n<li>\u6d6e\u529b\u306f\u3001\u7269\u4f53\u304c\u62bc\u3057\u306e\u3051\u305f\u6c34\u306b\u50cd\u304f\u91cd\u529b\u3068\u540c\u3058\u5927\u304d\u3055\u3067\u3059\u3002\u6c88\u3080\u7269\u4f53\u306b\u3082\u6d6e\u529b\u306f\u50cd\u3044\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\u9759\u304b\u306b\u6d6e\u3044\u3066\u3044\u308b\u7269\u4f53\u3067\u306f\u3001\u6d6e\u529b\u3068\u7269\u4f53\u306b\u50cd\u304f\u91cd\u529b\u304c\u3064\u308a\u5408\u3044\u307e\u3059\u3002\u5916\u5f62\u5168\u4f53\u306e\u4f53\u7a4d\u3068\u3001\u6c34\u4e2d\u306b\u5165\u3063\u3066\u3044\u308b\u90e8\u5206\u306e\u4f53\u7a4d\u3092\u5206\u3051\u3066\u6570\u3048\u307e\u3059\u3002<\/li>\n<li>\u5bc6\u9589\u3057\u305f\u7a7a\u6d1e\u306f\u3001\u6c34\u3092\u62bc\u3057\u306e\u3051\u3089\u308c\u308b\u4f53\u7a4d\u3092\u5e83\u3052\u3089\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u4e0a\u4e0b\u306e\u529b\u304c\u3064\u308a\u5408\u3046\u3053\u3068\u3068\u3001\u50be\u3044\u3066\u3082\u8ee2\u8986\u3057\u306b\u304f\u3044\u3053\u3068\u306f\u5225\u306e\u6761\u4ef6\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/section>\n<h2>\u62bc\u3057\u306e\u3051\u305f\u6c34\u306e\u4f53\u7a4d\u304b\u3089\u3001\u6d6e\u529b\u3092\u6c42\u3081\u308b<\/h2>\n<p>\u9759\u6b62\u3057\u305f\u6c34\u306e\u4e2d\u3067\u306f\u3001\u6df1\u3044\u5834\u6240\u307b\u3069\u5727\u529b\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002\u7269\u4f53\u306e\u4e0b\u9762\u306f\u4e0a\u9762\u3088\u308a\u6df1\u3044\u306e\u3067\u3001\u4e0b\u9762\u3092\u62bc\u3057\u4e0a\u3052\u308b\u529b\u304c\u4e0a\u9762\u3092\u62bc\u3057\u4e0b\u3052\u308b\u529b\u3092\u4e0a\u56de\u308a\u307e\u3059\u3002\u7269\u4f53\u306e\u8868\u9762\u5168\u4f53\u306b\u50cd\u304f\u6c34\u5727\u3092\u8db3\u3057\u5408\u308f\u305b\u305f\u3068\u304d\u306b\u6b8b\u308b\u4e0a\u5411\u304d\u306e\u529b\u304c\u3001\u6d6e\u529b\u3067\u3059\u3002<\/p>\n<p>\u6c34\u306e\u5bc6\u5ea6\u3092\u03c1\u3001\u7269\u4f53\u304c\u62bc\u3057\u306e\u3051\u305f\u6c34\u306e\u4f53\u7a4d\u3092V<sub>\u6c34<\/sub>\u3001\u91cd\u529b\u52a0\u901f\u5ea6\u3092g\u3068\u3059\u308c\u3070\u3001\u6d6e\u529b\u306e\u5927\u304d\u3055F<sub>B<\/sub>\u306f<strong>F<sub>B<\/sub> = \u03c1gV<sub>\u6c34<\/sub><\/strong>\u3067\u3059\u3002\u7269\u4f53\u306e\u6750\u8cea\u540d\u3092\u76f4\u63a5\u5165\u308c\u308b\u5f0f\u3067\u306f\u306a\u304f\u3001\u6c34\u306e\u5bc6\u5ea6\u3068\u62bc\u3057\u306e\u3051\u305f\u4f53\u7a4d\u3092\u5165\u308c\u308b\u5f0f\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4e00\u65b9\u3001\u7269\u4f53\u306e\u8cea\u91cf\u304cm\u306a\u3089\u3001\u4e0b\u5411\u304d\u306e\u91cd\u529b\u306fmg\u3067\u3059\u3002\u300c\u91cd\u3055600\u30b0\u30e9\u30e0\u300d\u3068\u3044\u3046\u65e5\u5e38\u306e\u8a00\u3044\u65b9\u306b\u5bfe\u3057\u3066\u3001\u3053\u3053\u3067\u306f\u8cea\u91cf\u30920.6 kg\u3001\u529b\u3092\u30cb\u30e5\u30fc\u30c8\u30f3\uff08N\uff09\u3067\u533a\u5225\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u5bc6\u5ea6\u30921,000 kg\/m\u00b3\u3068\u7f6e\u3044\u305f\u9759\u304b\u306a\u6c34\u3068\u3001g = 9.80665 m\/s\u00b2\u3067\u306e\u30e2\u30c7\u30eb\u8a08\u7b97\u3067\u3059\u3002\u7269\u4f53\u306f\u786c\u304f\u3001\u6c34\u3092\u901a\u3055\u306a\u3044\u3082\u306e\u3068\u3057\u3001\u7a7a\u6c17\u306e\u6d6e\u529b\u3001\u8868\u9762\u5f35\u529b\u3001\u5e95\u3084\u58c1\u3068\u306e\u63a5\u89e6\u3001\u3072\u3082\u306e\u529b\u306f\u7701\u304d\u307e\u3059\u3002<\/p>\n<h2>\u8cea\u91cf\u306f\u540c\u30580.6 kg\u3001\u5916\u5f62\u4f53\u7a4d\u3060\u3051\u304c\u9055\u3046\u4e8c\u3064\u306e\u30e2\u30c7\u30eb<\/h2>\n<p>\u30e2\u30c7\u30ebA\u306e\u5916\u5f62\u4f53\u7a4d\u30920.1 L\u3001\u30e2\u30c7\u30ebB\u30921 L\u3068\u3057\u3001\u4e21\u65b9\u306e\u7dcf\u8cea\u91cf\u30920.6 kg\u306b\u305d\u308d\u3048\u307e\u3059\u3002B\u306f\u7a7a\u6d1e\u3092\u542b\u3093\u3060\u5bc6\u9589\u4f53\u3067\u3082\u3088\u304f\u3001\u8cea\u91cf\u306b\u306f\u6bbb\u3068\u5185\u90e8\u306e\u3082\u306e\u3092\u3059\u3079\u3066\u542b\u3081\u307e\u3059\u3002\u7279\u5b9a\u306e\u7d20\u6750\u3084\u88fd\u54c1\u306e\u6e2c\u5b9a\u5024\u3067\u306f\u306a\u304f\u3001\u4f53\u7a4d\u306e\u5f79\u5272\u3092\u898b\u308b\u305f\u3081\u306e\u8a2d\u5b9a\u3067\u3059\u3002<\/p>\n<p>A\u304c\u5168\u90e8\u6c34\u4e2d\u306b\u5165\u3063\u3066\u3082\u3001\u62bc\u3057\u306e\u3051\u3089\u308c\u308b\u6c34\u306f0.1 L\u3067\u3059\u30021 L\u306f0.001 m\u00b3\u306a\u306e\u3067\u3001A\u306e\u6d6e\u529b\u306f1,000 \u00d7 9.80665 \u00d7 0.0001\u3067\u3001<strong>\u7d040.98 N<\/strong>\u306b\u306a\u308a\u307e\u3059\u3002\u7269\u4f53\u306b\u50cd\u304f\u91cd\u529b\u306f0.6 \u00d7 9.80665\u3067\u7d045.88 N\u3002\u6d6e\u529b\u306f\u50cd\u3044\u3066\u3044\u307e\u3059\u304c\u3001\u91cd\u529b\u3088\u308a\u5c0f\u3055\u3044\u305f\u3081\u3001\u9759\u6b62\u72b6\u614b\u304b\u3089\u624b\u3092\u96e2\u305b\u3070\u6c88\u307f\u59cb\u3081\u307e\u3059\u3002<\/p>\n<p>B\u304c\u5168\u90e8\u6c34\u4e2d\u306b\u5165\u3063\u305f\u5834\u5408\u306e\u6d6e\u529b\u306f\u7d049.81 N\u3067\u3059\u3002\u3053\u308c\u306f\u7d045.88 N\u306e\u91cd\u529b\u3088\u308a\u5927\u304d\u3044\u306e\u3067\u3001\u624b\u3092\u96e2\u3059\u3068\u4e0a\u6607\u3057\u3001\u6c34\u9762\u306b\u51fa\u308b\u306b\u3064\u308c\u3066\u62bc\u3057\u306e\u3051\u308b\u6c34\u306e\u4f53\u7a4d\u304c\u6e1b\u308a\u307e\u3059\u3002\u9759\u304b\u306b\u6d6e\u304f\u72b6\u614b\u3067\u5fc5\u8981\u306a\u306e\u306f\u3001<strong>0.6 L\u306e\u6c34\u3092\u62bc\u3057\u306e\u3051\u308b\u3053\u3068<\/strong>\u3067\u3059\u3002\u305d\u306e\u6c34\u306e\u8cea\u91cf\u306f0.6 kg\u3067\u3001\u7269\u4f53\u306e\u8cea\u91cf\u3068\u7b49\u3057\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-archimedes-volume-buoyancy-20261024-figure-f626f16e04f6.png\" alt=\"\u8cea\u91cf0.6\u30ad\u30ed\u30b0\u30e9\u30e0\u306e\u4e8c\u3064\u306e\u30e2\u30c7\u30eb\u3002\u5916\u5f62\u4f53\u7a4d0.1\u30ea\u30c3\u30c8\u30eb\u3067\u306f\u5168\u4f53\u304c\u6c34\u4e2d\u3067\u3082\u6d6e\u529b\u306f\u7d040.98\u30cb\u30e5\u30fc\u30c8\u30f3\u3067\u6c88\u3080\u3002\u5916\u5f62\u4f53\u7a4d1\u30ea\u30c3\u30c8\u30eb\u3067\u306f0.6\u30ea\u30c3\u30c8\u30eb\u304c\u6c34\u4e2d\u306b\u5165\u308a\u3001\u7d045.88\u30cb\u30e5\u30fc\u30c8\u30f3\u306e\u6d6e\u529b\u3067\u91cd\u529b\u3068\u3064\u308a\u5408\u3046\u3002\" style=\"max-width:100%;height:auto\"><figcaption>\u540c\u3058\u8cea\u91cf\u306e\u4e8c\u3064\u306e\u30e2\u30c7\u30eb\u3002B\u304c\u6d6e\u3044\u3066\u9759\u6b62\u3057\u3066\u3044\u308b\u3068\u304d\u306e\u6d6e\u529b\u306f\u3001\u5168\u4f53\u3092\u6c88\u3081\u305f\u5834\u5408\u306e9.81 N\u3067\u306f\u306a\u304f\u3001\u91cd\u529b\u3068\u7b49\u3057\u30445.88 N\u306b\u306a\u308b\u3002QS\u306b\u3088\u308b\u72ec\u81ea\u4f5c\u56f3\u3002<\/figcaption><\/figure>\n<p>\u3053\u3053\u3067\u5206\u3051\u305f\u3044\u306e\u306f\u3001B\u306e\u5916\u5f62\u5168\u4f53\u306e1 L\u3068\u3001\u5b9f\u969b\u306b\u6c34\u4e2d\u3078\u5165\u3063\u305f0.6 L\u3067\u3059\u3002\u6d6e\u529b\u306e\u5f0f\u306b\u5165\u308c\u308b\u306e\u306f\u5f8c\u8005\u3067\u3059\u3002\u6d6e\u3044\u3066\u3044\u308b\u304b\u3089\u5f37\u3044\u4e0a\u5411\u304d\u306e\u529b\u304c\u51fa\u7d9a\u3051\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u6c34\u4e2d\u306b\u5165\u308b\u4f53\u7a4d\u304c\u5909\u308f\u308b\u3053\u3068\u3067\u3001\u4e0a\u4e0b\u306e\u529b\u304c\u3064\u308a\u5408\u3046\u72b6\u614b\u306b\u306a\u308a\u307e\u3059\u3002\u6ce2\u3084\u904b\u52d5\u304c\u3042\u308b\u9593\u306f\u3001\u305d\u306e\u3064\u308a\u5408\u3044\u304b\u3089\u5916\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u8377\u7269\u3092\u5897\u3084\u3059\u3068\u3001\u6d6e\u529b\u304c\u5897\u3048\u308b\u307e\u3067\u6df1\u304f\u5165\u308b<\/h2>\n<p>B\u306b0.3 kg\u306e\u8377\u7269\u3092\u52a0\u3048\u3001\u5916\u5f62\u4f53\u7a4d\u30921 L\u306e\u307e\u307e\u306b\u3059\u308b\u3068\u3001\u7dcf\u8cea\u91cf\u306f0.9 kg\u306b\u306a\u308a\u307e\u3059\u3002\u9759\u6b62\u3057\u3066\u6d6e\u304f\u305f\u3081\u306b\u62bc\u3057\u306e\u3051\u308b\u6c34\u30820.9 L\u5fc5\u8981\u3068\u306a\u308a\u3001\u6c34\u4e2d\u306b\u5165\u308b\u4f53\u7a4d\u306f\u5168\u4f53\u306e90%\u306b\u306a\u308a\u307e\u3059\u3002\u4f53\u7a4d\u306e\u5272\u5408\u3067\u3042\u3063\u3066\u3001\u3069\u3093\u306a\u5f62\u3067\u3082\u9ad8\u3055\u306e90%\u304c\u6c88\u3080\u3068\u3044\u3046\u610f\u5473\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<div style=\"overflow-x:auto\">\n<table style=\"border-collapse:collapse;min-width:620px;width:100%\">\n<thead>\n<tr>\n<th style=\"padding:10px;border:1px solid #ccd\">\u30e2\u30c7\u30eb<\/th>\n<th style=\"padding:10px;border:1px solid #ccd\">\u7dcf\u8cea\u91cf<\/th>\n<th style=\"padding:10px;border:1px solid #ccd\">\u5916\u5f62\u4f53\u7a4d<\/th>\n<th style=\"padding:10px;border:1px solid #ccd\">\u5168\u90e8\u6c34\u4e2d\u306e\u6d6e\u529b<\/th>\n<th style=\"padding:10px;border:1px solid #ccd\">\u6c34\u9762\u3067\u306e\u9759\u6b62\u6761\u4ef6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:10px;border:1px solid #ccd\">A<\/td>\n<td style=\"padding:10px;border:1px solid #ccd\">0.6 kg<\/td>\n<td style=\"padding:10px;border:1px solid #ccd\">0.1 L<\/td>\n<td style=\"padding:10px;border:1px solid #ccd\">\u7d040.98 N<\/td>\n<td style=\"padding:10px;border:1px solid #ccd\">\u4e0d\u8db3\u3057\u3001\u6c88\u307f\u59cb\u3081\u308b<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #ccd\">B<\/td>\n<td style=\"padding:10px;border:1px solid #ccd\">0.6 kg<\/td>\n<td style=\"padding:10px;border:1px solid #ccd\">1 L<\/td>\n<td style=\"padding:10px;border:1px solid #ccd\">\u7d049.81 N<\/td>\n<td style=\"padding:10px;border:1px solid #ccd\">0.6 L\u304c\u6c34\u4e2d\u3001\u6d6e\u529b\u7d045.88 N<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #ccd\">B\u306b\u8377\u7269<\/td>\n<td style=\"padding:10px;border:1px solid #ccd\">0.9 kg<\/td>\n<td style=\"padding:10px;border:1px solid #ccd\">1 L<\/td>\n<td style=\"padding:10px;border:1px solid #ccd\">\u7d049.81 N<\/td>\n<td style=\"padding:10px;border:1px solid #ccd\">0.9 L\u304c\u6c34\u4e2d\u3001\u6d6e\u529b\u7d048.83 N<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u540c\u3058\u3053\u3068\u3092\u5e73\u5747\u5bc6\u5ea6\u3067\u3082\u8868\u305b\u307e\u3059\u3002B\u306e\u5e73\u5747\u5bc6\u5ea6\u306f0.6 kg \u00f7 0.001 m\u00b3\u3067600 kg\/m\u00b3\u3001\u6c34\u306e\u5bc6\u5ea6\u306e60%\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u3064\u308a\u5408\u3046\u3068\u304d\u306b\u6c34\u4e2d\u3078\u5165\u308b\u4f53\u7a4d\u306e\u5272\u5408\u308260%\u306b\u306a\u308a\u307e\u3059\u3002\u5bc6\u9589\u3057\u305f\u7a7a\u6d1e\u304c\u5f79\u7acb\u3064\u306e\u306f\u3001\u7dcf\u8cea\u91cf\u306b\u6bd4\u3079\u3066\u6c34\u3092\u62bc\u3057\u306e\u3051\u3089\u308c\u308b\u5916\u5f62\u4f53\u7a4d\u3092\u5927\u304d\u304f\u3067\u304d\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u30e2\u30c7\u30eb\u306e1 L\u306e\u7269\u4f53\u3067\u306f\u3001\u7dcf\u8cea\u91cf\u304c1 kg\u306b\u306a\u308b\u3068\u3001\u5168\u4f53\u3092\u6c34\u4e2d\u3078\u5165\u308c\u3066\u3088\u3046\u3084\u304f\u6d6e\u529b\u3068\u91cd\u529b\u304c\u7b49\u3057\u304f\u306a\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u8cea\u91cf\u3092\u5897\u3084\u3059\u3068\u3001\u540c\u3058\u5916\u5f62\u4f53\u7a4d\u3067\u306f\u652f\u3048\u304d\u308c\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u300c\u3042\u30680.4 kg\u307e\u3067\u5b89\u5168\u306b\u8f09\u305b\u3089\u308c\u308b\u300d\u3068\u3044\u3046\u8a2d\u8a08\u5024\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6c34\u9762\u304b\u3089\u51fa\u3066\u3044\u308b\u90e8\u5206\u306e\u4f59\u88d5\u3084\u3001\u6ce2\u3001\u6d78\u6c34\u3001\u59ff\u52e2\u306e\u5b89\u5b9a\u6027\u3092\u3001\u3053\u306e\u5358\u7d14\u306a\u529b\u306e\u8a08\u7b97\u306f\u8a55\u4fa1\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<h2>\u6df1\u3044\u5834\u6240\u307b\u3069\u6d6e\u529b\u304c\u5927\u304d\u3044\u3001\u3068\u306f\u9650\u3089\u306a\u3044<\/h2>\n<p>\u6df1\u3044\u307b\u3069\u6c34\u5727\u304c\u5927\u304d\u3044\u306a\u3089\u3001\u540c\u3058\u7269\u4f53\u3092\u6df1\u304f\u6c88\u3081\u308b\u307b\u3069\u6d6e\u529b\u3082\u5897\u3048\u305d\u3046\u306b\u611f\u3058\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u5b8c\u5168\u306b\u6c34\u4e2d\u306b\u3042\u308b\u786c\u3044\u7269\u4f53\u3092\u3001\u5bc6\u5ea6\u304c\u4e00\u5b9a\u306e\u6c34\u306e\u4e2d\u3067\u79fb\u52d5\u3059\u308b\u3060\u3051\u306a\u3089\u3001\u62bc\u3057\u306e\u3051\u305f\u4f53\u7a4d\u306f\u5909\u308f\u308a\u307e\u305b\u3093\u3002\u6d6e\u529b\u306e\u5927\u304d\u3055\u3082\u540c\u3058\u3067\u3059\u3002<\/p>\n<p>\u9762\u7a4dA\u306e\u4e0a\u4e0b\u9762\u3092\u6301\u3064\u9ad8\u3055h\u306e\u89d2\u67f1\u3092\u8003\u3048\u308b\u3068\u3001\u4e0a\u4e0b\u306e\u6c34\u5727\u306e\u5dee\u306f\u03c1gh\u3067\u3059\u3002\u7269\u4f53\u3092\u3055\u3089\u306b\u6df1\u304f\u79fb\u3057\u3066\u3082\u3001\u4e0a\u9762\u3068\u4e0b\u9762\u306e\u4e21\u65b9\u306e\u5727\u529b\u304c\u5897\u3048\u308b\u305f\u3081\u3001\u305d\u306e\u5dee\u306f\u5909\u308f\u308a\u307e\u305b\u3093\u3002\u6d6e\u529b\u306f\u305d\u306e\u5dee\u306b\u9762\u7a4d\u3092\u639b\u3051\u305f\u03c1ghA\u3067\u3001hA\u304c\u6c34\u4e2d\u306e\u4f53\u7a4d\u306b\u5f53\u305f\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8aac\u660e\u306b\u306f\u6761\u4ef6\u304c\u3042\u308a\u307e\u3059\u3002\u67d4\u3089\u304b\u3044\u888b\u306e\u3088\u3046\u306b\u5727\u529b\u3067\u4f53\u7a4d\u304c\u7e2e\u3080\u5834\u5408\u3084\u3001\u6c34\u306e\u5bc6\u5ea6\u304c\u6df1\u3055\u3067\u5909\u308f\u308b\u5834\u5408\u306b\u306f\u3001\u540c\u3058\u6d6e\u529b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u5e95\u3078\u5bc6\u7740\u3057\u3066\u4e0b\u9762\u306b\u6c34\u304c\u56de\u308a\u8fbc\u307e\u306a\u3044\u72b6\u614b\u306f\u3001\u3053\u3053\u3067\u8003\u3048\u305f\u300c\u5468\u56f2\u3092\u6c34\u306b\u56f2\u307e\u308c\u305f\u7269\u4f53\u300d\u3068\u5206\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u5916\u5f62\u4f53\u7a4d\u3060\u3051\u3067\u306a\u304f\u3001\u4f55\u3092\u4e00\u3064\u306e\u7269\u4f53\u3068\u6570\u3048\u308b\u304b<\/h2>\n<p>\u6d6e\u6c88\u3092\u6bd4\u8f03\u3059\u308b\u306a\u3089\u3001\u307e\u305a\u6bbb\u30fb\u5185\u5bb9\u7269\u30fb\u8377\u7269\u3092\u542b\u3080\u7dcf\u8cea\u91cf\u3092\u78ba\u8a8d\u3057\u3001\u6b21\u306b\u6c34\u304c\u5165\u308a\u8fbc\u307e\u305a\u306b\u62bc\u3057\u306e\u3051\u3089\u308c\u308b\u4f53\u7a4d\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u6c34\u304c\u81ea\u7531\u306b\u51fa\u5165\u308a\u3059\u308b\u7a74\u3084\u7a7a\u6d1e\u307e\u3067\u3001\u5bc6\u9589\u3055\u308c\u305f\u5916\u5f62\u3068\u540c\u3058\u3088\u3046\u306b\u6570\u3048\u308b\u3068\u3001\u5f97\u3089\u308c\u308b\u6d6e\u529b\u3092\u904e\u5927\u306b\u898b\u7a4d\u3082\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u3057\u3066\u3001\u4e0a\u5411\u304d\u3068\u4e0b\u5411\u304d\u306e\u529b\u304c\u7b49\u3057\u3044\u3060\u3051\u3067\u306f\u3001\u5411\u304d\u306e\u5b89\u5b9a\u6027\u307e\u3067\u306f\u6c7a\u307e\u308a\u307e\u305b\u3093\u3002\u8377\u7269\u306e\u7f6e\u304d\u5834\u6240\u306a\u3069\u3067\u5909\u308f\u308b\u56de\u8ee2\u306e\u3064\u308a\u5408\u3044\u3082\u5225\u306b\u8003\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30a2\u30eb\u30ad\u30e1\u30c7\u30b9\u306e\u539f\u7406\u304b\u3089\u5206\u304b\u308b\u306e\u306f\u3001\u307e\u305a\u6c34\u304b\u3089\u53d7\u3051\u308b\u4e0a\u5411\u304d\u306e\u529b\u306e\u5927\u304d\u3055\u3067\u3059\u3002\u305d\u306e\u7bc4\u56f2\u3092\u62bc\u3055\u3048\u308b\u3068\u3001\u300c\u91cd\u3044\u304b\u3089\u6c88\u3080\u300d\u300c\u7a7a\u6d1e\u304c\u3042\u308b\u304b\u3089\u5fc5\u305a\u6d6e\u304f\u300d\u3068\u3044\u3063\u305f\u5224\u65ad\u3092\u3001\u8cea\u91cf\u3068\u4f53\u7a4d\u3092\u305d\u308d\u3048\u305f\u6bd4\u8f03\u306b\u7f6e\u304d\u63db\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<h2>\u51fa\u5178<\/h2>\n<ul>\n<li>OpenStax, Samuel J. Ling, Jeff Sanny, William Moebs, <a href=\"https:\/\/openstax.org\/books\/university-physics-volume-1\/pages\/14-4-archimedes-principle-and-buoyancy\">University Physics Volume 1, 14.4 Archimedes\u2019 Principle and Buoyancy<\/a>\uff1a\u6d6e\u529b\u3068\u62bc\u3057\u306e\u3051\u305f\u6d41\u4f53\u3001\u56f314.20\u3001\u4f53\u7a4d\u306e\u6c34\u6ca1\u5272\u5408\u3001\u56f314.22\u3002<\/li>\n<li>\u540c\u66f8 <a href=\"https:\/\/openstax.org\/books\/university-physics-volume-1\/pages\/14-1-fluids-density-and-pressure\">14.1 Fluids, Density, and Pressure<\/a>\uff1a\u5f0f14.1\u306e\u5bc6\u5ea6\u3001\u5727\u529b\u3068\u529b\u3002\u672c\u6587\u306e\u6570\u5024\u306f\u6761\u4ef6\u3092\u7f6e\u3044\u305f\u72ec\u81ea\u8a08\u7b97\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u540c\u3058\u91cd\u3055\u306e\u4e8c\u3064\u306e\u7269\u4f53\u3092\u6c34\u306b\u5165\u308c\u3066\u3082\u3001\u4e00\u65b9\u306f\u6d6e\u304d\u3001\u3082\u3046\u4e00\u65b9\u306f\u6c88\u3080\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u9055\u3044\u3092\u751f\u3080\u306e\u306f\u3001\u91cd\u3055\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3069\u308c\u3060\u3051\u306e\u6c34\u3092\u62bc\u3057\u306e\u3051\u3001\u305d\u306e\u6c34\u304b\u3089\u3069\u308c\u3060\u3051\u306e\u4e0a\u5411\u304d\u306e\u529b\u3092\u53d7\u3051\u308b\u304b\u3082\u95a2\u4fc2\u3057\u307e\u3059\u3002\u3053\u306e\u529b\u304c\u6d6e\u529b\u3067\u3001\u305d\u306e\u5927\u304d [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1552,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":false,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[34],"tags":[313],"class_list":["post-1554","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-materials-manufacturing","tag-buoyancy"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-archimedes-volume-buoyancy-20261024-featured-9e00e4c5adcb.png","_links":{"self":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1554","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1554"}],"version-history":[{"count":1,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1554\/revisions"}],"predecessor-version":[{"id":1555,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1554\/revisions\/1555"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/media\/1552"}],"wp:attachment":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1554"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}