{"id":14901,"date":"2025-06-24T15:19:08","date_gmt":"2025-06-24T15:19:08","guid":{"rendered":"https:\/\/www.fizika-online.ru\/?page_id=14901"},"modified":"2025-06-25T11:07:40","modified_gmt":"2025-06-25T11:07:40","slug":"%d0%b7%d0%b0%d0%b4%d0%b0%d1%87%d0%b8-%d0%bf%d0%be-%d1%81%d1%82%d0%b0%d1%82%d0%b8%d0%ba%d0%b5-%d0%b8-%d0%b3%d0%b8%d0%b4%d1%80%d0%be%d1%81%d1%82%d0%b0%d1%82%d0%b8%d0%ba%d0%b5-%d0%b7%d0%b0%d0%b4-219","status":"publish","type":"page","link":"https:\/\/www.fizika-online.ru\/?page_id=14901","title":{"rendered":"\u0417\u0430\u0434\u0430\u0447\u0438 \u043f\u043e \u0441\u0442\u0430\u0442\u0438\u043a\u0435 \u0438 \u0433\u0438\u0434\u0440\u043e\u0441\u0442\u0430\u0442\u0438\u043a\u0435. \u0417\u0430\u0434\u0430\u0447\u0430 \u0421\u0442\u0413\u0421\u0442218"},"content":{"rendered":"<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><em><strong>\u0417\u0430\u0434\u0430\u0447\u0430<\/strong><\/em>.\u00a0\u041d\u0430 \u0434\u043d\u0435 \u0446\u0438\u043b\u0438\u043d\u0434\u0440\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0441\u0442\u0430\u043a\u0430\u043d\u0430 \u0441 \u0432\u043e\u0434\u043e\u0439 \u043b\u0435\u0436\u0438\u0442 \u043a\u0443\u0441\u043e\u043a \u043b\u044c\u0434\u0430 (\u0441\u043c. \u0440\u0438\u0441). \u041a\u043e\u0433\u0434\u0430 \u043b\u0435\u0434 \u0440\u0430\u0441\u0442\u0430\u044f\u043b, \u0442\u043e \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u0432\u043e\u0434\u044b \u0432 \u0441\u0442\u0430\u043a\u0430\u043d\u0435 \u0438\u0437\u043c\u0435\u043d\u0438\u043b\u0441\u044f \u043d\u0430 $\\Delta h=4$ \u0441\u043c. \u041a\u0430\u043a\u043e\u0432\u0430 \u0431\u044b\u043b\u0430 \u0441\u0438\u043b\u0430 \u0434\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043b\u044c\u0434\u0430 \u043d\u0430 \u0434\u043d\u043e \u0441\u0442\u0430\u043a\u0430\u043d\u0430? \u041f\u043b\u043e\u0449\u0430\u0434\u044c \u0434\u043d\u0430 \u0441\u0442\u0430\u043a\u0430\u043d\u0430 $S=12$ \u0441\u043c<sup>2<\/sup>.<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-14903\" src=\"https:\/\/www.fizika-online.ru\/wp-content\/uploads\/2025\/06\/2-34.jpg\" alt=\"\" width=\"143\" height=\"201\" srcset=\"https:\/\/www.fizika-online.ru\/wp-content\/uploads\/2025\/06\/2-34.jpg 279w, https:\/\/www.fizika-online.ru\/wp-content\/uploads\/2025\/06\/2-34-213x300.jpg 213w\" sizes=\"(max-width: 143px) 100vw, 143px\" \/><\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><em><strong>\u0420\u0435\u0448\u0435\u043d\u0438\u0435.<\/strong><\/em> \u041f\u043e\u043a\u0430\u0436\u0435\u043c \u043d\u0430 \u0440\u0438\u0441\u0443\u043d\u043a\u0435 \u0441\u0438\u043b\u044b, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 \u043d\u0430 \u043b\u0435\u0434.\u00a0<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-14904\" src=\"https:\/\/www.fizika-online.ru\/wp-content\/uploads\/2025\/06\/2-35.jpg\" alt=\"\" width=\"279\" height=\"480\" srcset=\"https:\/\/www.fizika-online.ru\/wp-content\/uploads\/2025\/06\/2-35.jpg 279w, https:\/\/www.fizika-online.ru\/wp-content\/uploads\/2025\/06\/2-35-174x300.jpg 174w\" sizes=\"(max-width: 279px) 100vw, 279px\" \/><\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">\u041b\u0435\u0434 \u043f\u043e\u043a\u043e\u0438\u0442\u0441\u044f. \u0418\u0437 \u0432\u0442\u043e\u0440\u043e\u0433\u043e \u0437\u0430\u043a\u043e\u043d\u0430 \u041d\u044c\u044e\u0442\u043e\u043d\u0430 \u0441\u043b\u0435\u0434\u0443\u044e\u0442 \u043e\u0447\u0435\u0432\u0438\u0434\u043d\u043e\u0435 \u0440\u0430\u0432\u0435\u043d\u0441\u0442\u0432\u043e<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$N=mg-F_A$.\u00a0<\/span><\/p>\n<div id=\"yandex_rtb_R-A-1598022-3\"><\/div>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><script>window.yaContextCb.push(()=>{\n\tYa.Context.AdvManager.render({\n\t\t\"blockId\": \"R-A-1598022-3\",\n\t\t\"renderTo\": \"yandex_rtb_R-A-1598022-3\"\n\t})\n})\n<\/script><\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">\u041c\u0430\u0441\u0441\u0430 \u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u0432\u0448\u0435\u0439\u0441\u044f \u0432\u043e\u0434\u044b $m_1$ \u0440\u0430\u0432\u043d\u0430 \u043c\u0430\u0441\u0441\u0435 \u043b\u044c\u0434\u0430 $m$. \u041e\u0431\u044a\u0435\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u0432\u0448\u0435\u0439\u0441\u044f \u0432\u043e\u0434\u044b \u0431\u0443\u0434\u0435\u0442 \u0440\u0430\u0432\u0435\u043d $V=V_0+S \\cdot \\Delta h$, \u0433\u0434\u0435 $V_0$ &#8212; \u043e\u0431\u044a\u0435\u043c \u043f\u043e\u0433\u0440\u0443\u0436\u0435\u043d\u043d\u043e\u0439 \u0447\u0430\u0441\u0442\u0438 \u043b\u044c\u0434\u0430 \u0432 \u0432\u043e\u0434\u0443. \u0418\u0437 \u0440\u0430\u0432\u0435\u043d\u0441\u0442\u0432\u0430 \u043c\u0430\u0441\u0441 \u0441\u043b\u0435\u0434\u0443\u0435\u0442<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$m_1=\\rho \\cdot V=\\rho \\cdot (V_0+S \\cdot \\Delta h)=\\rho \\cdot V_0+\\rho \\cdot S \\cdot \\Delta h=m$.<\/span><\/p>\n<p><span style=\"color: #000000; font-family: georgia, palatino, serif; font-size: 12pt;\">\u041c\u043e\u0434\u0443\u043b\u044c \u0441\u0438\u043b\u044b \u0410\u0440\u0445\u0438\u043c\u0435\u0434\u0430<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><span style=\"text-align: center;\">$F_{A}=\\rho \\cdot g \\cdot V_0$.<\/span><\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">\u0422\u0435\u043f\u0435\u0440\u044c \u0432\u0435\u0440\u043d\u0435\u043c\u0441\u044f \u043a \u0432\u0442\u043e\u0440\u043e\u043c\u0443 \u0437\u0430\u043a\u043e\u043d\u0443 \u041d\u044c\u044e\u0442\u043e\u043d\u0430<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$N=(\\rho \\cdot V_0+\\rho \\cdot S \\cdot \\Delta h) \\cdot g-\\rho \\cdot g \\cdot V_0$,<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$N=\\rho \\cdot V_0 \\cdot g+\\rho \\cdot S \\cdot \\Delta h \\cdot g \\cdot g-\\rho \\cdot g \\cdot V_0$,<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$N=\\rho \\cdot S \\cdot \\Delta h \\cdot g$,<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$N=1000 \\cdot 0,0012 \\cdot 0,04 \\cdot 10=0,48$ \u041d.<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><em><strong>\u041e\u0442\u0432\u0435\u0442: <\/strong><\/em>0,48 \u041d.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0417\u0430\u0434\u0430\u0447\u0430.\u00a0\u041d\u0430 \u0434\u043d\u0435 \u0446\u0438\u043b\u0438\u043d\u0434\u0440\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0441\u0442\u0430\u043a\u0430\u043d\u0430 \u0441 \u0432\u043e\u0434\u043e\u0439 \u043b\u0435\u0436\u0438\u0442 \u043a\u0443\u0441\u043e\u043a \u043b\u044c\u0434\u0430 (\u0441\u043c. \u0440\u0438\u0441). \u041a\u043e\u0433\u0434\u0430 \u043b\u0435\u0434 \u0440\u0430\u0441\u0442\u0430\u044f\u043b, \u0442\u043e \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u0432\u043e\u0434\u044b \u0432 \u0441\u0442\u0430\u043a\u0430\u043d\u0435 \u0438\u0437\u043c\u0435\u043d\u0438\u043b\u0441\u044f \u043d\u0430 $\\Delta h=4$ \u0441\u043c. \u041a\u0430\u043a\u043e\u0432\u0430 \u0431\u044b\u043b\u0430 \u0441\u0438\u043b\u0430 \u0434\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043b\u044c\u0434\u0430 \u043d\u0430 \u0434\u043d\u043e \u0441\u0442\u0430\u043a\u0430\u043d\u0430? \u041f\u043b\u043e\u0449\u0430\u0434\u044c \u0434\u043d\u0430 \u0441\u0442\u0430\u043a\u0430\u043d\u0430 $S=12$ \u0441\u043c2. \u0420\u0435\u0448\u0435\u043d\u0438\u0435. \u041f\u043e\u043a\u0430\u0436\u0435\u043c \u043d\u0430 \u0440\u0438\u0441\u0443\u043d\u043a\u0435 \u0441\u0438\u043b\u044b, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 \u043d\u0430 \u043b\u0435\u0434.\u00a0 \u041b\u0435\u0434 \u043f\u043e\u043a\u043e\u0438\u0442\u0441\u044f. \u0418\u0437 \u0432\u0442\u043e\u0440\u043e\u0433\u043e \u0437\u0430\u043a\u043e\u043d\u0430 \u041d\u044c\u044e\u0442\u043e\u043d\u0430 \u0441\u043b\u0435\u0434\u0443\u044e\u0442 \u043e\u0447\u0435\u0432\u0438\u0434\u043d\u043e\u0435 \u0440\u0430\u0432\u0435\u043d\u0441\u0442\u0432\u043e $N=mg-F_A$.\u00a0\u2026 <span class=\"read-more\"><a href=\"https:\/\/www.fizika-online.ru\/?page_id=14901\">\u0427\u0438\u0442\u0430\u0442\u044c \u0434\u0430\u043b\u0435\u0435 &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=\/wp\/v2\/pages\/14901"}],"collection":[{"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=14901"}],"version-history":[{"count":3,"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=\/wp\/v2\/pages\/14901\/revisions"}],"predecessor-version":[{"id":14907,"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=\/wp\/v2\/pages\/14901\/revisions\/14907"}],"wp:attachment":[{"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14901"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}