{"id":14375,"date":"2025-05-11T15:49:02","date_gmt":"2025-05-11T15:49:02","guid":{"rendered":"https:\/\/www.fizika-online.ru\/?page_id=14375"},"modified":"2025-05-11T15:53:12","modified_gmt":"2025-05-11T15:53:12","slug":"%d0%b7%d0%b0%d0%b4%d0%b0%d1%87%d0%b8-%d0%b5%d0%b3%d1%8d-%d0%b7%d0%b0%d0%b4%d0%b0%d1%87%d0%b0-%d1%81%d1%82%d0%b3%d1%81%d1%82%d0%b5%d0%b3%d1%8d23","status":"publish","type":"page","link":"https:\/\/www.fizika-online.ru\/?page_id=14375","title":{"rendered":"\u0417\u0430\u0434\u0430\u0447\u0438 \u0415\u0413\u042d. \u0417\u0430\u0434\u0430\u0447\u0430 \u0421\u0442\u0413\u0421\u0442\u0415\u0413\u042d23"},"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 \u0440\u0438\u0441\u0443\u043d\u043a\u0435 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430, \u0441\u043e\u0441\u0442\u043e\u044f\u0449\u0430\u044f \u0438\u0437 \u0440\u044b\u0447\u0430\u0433\u0430 \u0438 \u0431\u043b\u043e\u043a\u0430. \u0427\u0442\u043e\u0431\u044b \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u043d\u0430\u0445\u043e\u0434\u0438\u043b\u0430\u0441\u044c \u0432 \u0440\u0430\u0432\u043d\u043e\u0432\u0435\u0441\u0438\u0438, \u043a \u0440\u044b\u0447\u0430\u0433\u0443 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u043f\u0440\u0438\u043b\u043e\u0436\u0438\u0442\u044c \u0441\u0438\u043b\u0443 4 \u041d. \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435 \u043c\u0430\u0441\u0441\u0443 \u0433\u0440\u0443\u0437\u0430.<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-14374\" src=\"https:\/\/www.fizika-online.ru\/wp-content\/uploads\/2025\/05\/2-42.jpg\" alt=\"\" width=\"455\" height=\"192\" srcset=\"https:\/\/www.fizika-online.ru\/wp-content\/uploads\/2025\/05\/2-42.jpg 559w, https:\/\/www.fizika-online.ru\/wp-content\/uploads\/2025\/05\/2-42-300x127.jpg 300w\" sizes=\"(max-width: 455px) 100vw, 455px\" \/><\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt;\"><span style=\"color: #000000;\"><em><strong>\u0420\u0435\u0448\u0435\u043d\u0438\u0435. <\/strong><\/em>\u041f\u0440\u0438 \u0440\u0435\u0448\u0435\u043d\u0438\u0438 \u0437\u0430\u0434\u0430\u0447\u0438 \u0431\u0443\u0434\u0435\u043c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f <a href=\"https:\/\/www.fizika-online.ru\/?page_id=2478\" target=\"_blank\" rel=\"noopener\">\u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u043e\u043c \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u0437\u0430\u0434\u0430\u0447 \u043f\u043e \u0441\u0442\u0430\u0442\u0438\u043a\u0435<\/a>.<\/span><\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">1. \u0421\u0438\u0441\u0442\u0435\u043c\u0443 \u043e\u0442\u0441\u0447\u0435\u0442\u0430 \u0441\u0432\u044f\u0436\u0435\u043c \u0441 \u0417\u0435\u043c\u043b\u0435\u0439, \u0442\u0430\u043a\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u043e\u0442\u0441\u0447\u0435\u0442\u0430 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0438\u043d\u0435\u0440\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0439.<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">2. \u0412\u044b\u043f\u043e\u043b\u043d\u0438\u043c \u0447\u0435\u0440\u0442\u0435\u0436 \u0441 \u0443\u043a\u0430\u0437\u0430\u043d\u0438\u0435\u043c \u0432\u0441\u0435\u0445 \u0441\u0438\u043b, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u043d\u0430 \u0442\u0435\u043b\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u044b. \u0411\u0443\u0434\u0435\u043c \u0441\u0447\u0438\u0442\u0430\u0442\u044c \u043d\u0438\u0442\u044c \u043d\u0435\u0432\u0435\u0441\u043e\u043c\u043e\u0439, \u0430 \u0431\u043b\u043e\u043a \u0438\u0434\u0435\u0430\u043b\u044c\u043d\u044b\u043c, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u043d\u0430\u0442\u044f\u0436\u0435\u043d\u0438\u0435 \u043d\u0438\u0442\u0438 \u0432\u0441\u044e\u0434\u0443 \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u044b\u043c.<\/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-14376\" src=\"https:\/\/www.fizika-online.ru\/wp-content\/uploads\/2025\/05\/2-43.jpg\" alt=\"\" width=\"607\" height=\"285\" srcset=\"https:\/\/www.fizika-online.ru\/wp-content\/uploads\/2025\/05\/2-43.jpg 607w, https:\/\/www.fizika-online.ru\/wp-content\/uploads\/2025\/05\/2-43-300x141.jpg 300w\" sizes=\"(max-width: 607px) 100vw, 607px\" \/><\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">3. \u0417\u0430\u043f\u0438\u0448\u0435\u043c \u043f\u0435\u0440\u0432\u043e\u0435 \u0443\u0441\u043b\u043e\u0432\u0438\u0435 \u0440\u0430\u0432\u043d\u043e\u0432\u0435\u0441\u0438\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0434\u043b\u044f \u0433\u0440\u0443\u0437\u0430, \u043f\u043e\u0434\u0432\u0435\u0448\u0435\u043d\u043d\u043e\u0433\u043e \u043a \u043d\u0438\u0442\u0438 \u043f\u0435\u0440\u0435\u043a\u0438\u043d\u0443\u0442\u043e\u0439 \u0447\u0435\u0440\u0435\u0437 \u0431\u043b\u043e\u043a. \u0414\u043b\u044f \u0440\u044b\u0447\u0430\u0433\u0430 \u044d\u0442\u043e \u043d\u0435 \u0446\u0435\u043b\u0435\u0441\u043e\u043e\u0431\u0440\u0430\u0437\u043d\u043e, \u0442.\u043a. \u0442\u0430\u043c \u043f\u0440\u0438\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u0435\u0442 \u0441\u0438\u043b\u0430 \u0440\u0435\u0430\u043a\u0446\u0438\u0438, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043d\u0430\u043c \u0432 \u043e\u0431\u0449\u0435\u043c \u0442\u043e \u043d\u0435 \u043f\u0440\u0438\u0433\u043e\u0434\u0438\u0442\u0441\u044f<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$\\vec{T}+m\\vec{g}=0$,<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$T-mg=0\\Rightarrow T=mg$.<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><!-- Yandex.RTB R-A-1598022-3 --><\/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;\">4. \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u043e \u043e\u0441\u0438 \u0432\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u0432\u044b\u0431\u0435\u0440\u0435\u043c \u0442\u043e\u0447\u043a\u0443 \u043e\u043f\u043e\u0440\u044b \u0440\u044b\u0447\u0430\u0433\u0430, \u0432\u044b\u0431\u043e\u0440 \u044d\u0442\u043e\u0439 \u043e\u0441\u0438 \u0432\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442 \u043d\u0430\u043c \u0438\u0437\u0431\u0430\u0432\u0438\u0442\u044c\u0441\u044f \u043e\u0442 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u0438\u044f \u043c\u043e\u043c\u0435\u043d\u0442\u0430 \u0441\u0438\u043b\u044b \u0440\u0435\u0430\u043a\u0446\u0438\u0438 $N$ \u0432 \u043f\u0440\u0430\u0432\u0438\u043b\u0435 \u043c\u043e\u043c\u0435\u043d\u0442\u043e\u0432.<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">5. \u041f\u043b\u0435\u0447\u043e $l_1$ \u0441\u0438\u043b\u044b \u043d\u0430\u0442\u044f\u0436\u0435\u043d\u0438\u044f $\\vec{T}$ \u0440\u0430\u0432\u043d\u043e, \u0441\u0443\u0434\u044f \u043f\u043e \u0440\u0438\u0441\u0443\u043d\u043a\u0443, 4 \u0435\u0434\u0438\u043d\u0438\u0447\u043d\u044b\u043c \u043e\u0442\u0440\u0435\u0437\u043a\u0430\u043c, \u0430 \u043f\u043b\u0435\u0447\u043e $l_2$ \u0441\u0438\u043b\u044b $\\vec{F}$ \u0440\u0430\u0432\u043d\u043e 2 \u0435\u0434\u0438\u043d\u0438\u0447\u043d\u044b\u043c \u043e\u0442\u0440\u0435\u0437\u043a\u0430\u043c. \u0417\u0430\u043f\u0438\u0448\u0435\u043c \u043f\u0440\u0430\u0432\u0438\u043b\u043e \u043c\u043e\u043c\u0435\u043d\u0442\u043e\u0432, \u0443\u0447\u0438\u0442\u044b\u0432\u0430\u044f \u0442\u043e, \u043a\u0443\u0434\u0430 \u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0440\u044b\u0447\u0430\u0433 \u043a\u0430\u0436\u0434\u0430\u044f \u0441\u0438\u043b\u0430 \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0432\u044b\u0431\u0440\u0430\u043d\u043d\u043e\u0439 \u043e\u0441\u0438<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$Tl_1-Fl_2=0$.<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">6. \u0418\u0437 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f, \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u0432 \u043f\u0443\u043d\u043a\u0442\u0435 3 \u0438 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u043d\u0430\u0445\u043e\u0434\u0438\u043c \u043c\u0430\u0441\u0441\u0443 \u0442\u0435\u043b\u0430<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$mgl_1-Fl_2=0$,<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$mgl_1=Fl_2$,<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$m=\\frac{Fl_2}{gl_1}$,<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$m=\\frac{4 \\cdot 2}{10 \\cdot 4}=0,2$ \u043a\u0433.<\/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>0,2 \u043a\u0433.<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><em><strong>\u041f\u0440\u0438\u043c\u0435\u0447\u0430\u043d\u0438\u0435.<\/strong><\/em> \u041a\u043e\u043d\u0435\u0447\u043d\u043e \u0436\u0435 \u0437\u0430\u0434\u0430\u0447\u0443 \u043c\u043e\u0436\u043d\u043e \u0431\u044b\u043b\u043e \u0440\u0435\u0448\u0438\u0442\u044c \u043d\u0435 \u0440\u0430\u0441\u043f\u0438\u0441\u044b\u0432\u0430\u044f \u0432\u0441\u0435 \u0442\u0430\u043a \u0432 \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u043e\u0441\u0442\u044f\u0445. \u041f\u0440\u043e\u0441\u0442\u043e \u043d\u0435 \u0445\u043e\u0442\u0435\u043b\u043e\u0441\u044c \u0442\u0435\u0440\u044f\u0442\u044c \u0446\u0435\u043d\u043d\u043e\u0441\u0442\u044c \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u0430 \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u0437\u0430\u0434\u0430\u0447 \u043f\u043e \u0441\u0442\u0430\u0442\u0438\u043a\u0435.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0417\u0430\u0434\u0430\u0447\u0430.\u00a0\u041d\u0430 \u0440\u0438\u0441\u0443\u043d\u043a\u0435 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430, \u0441\u043e\u0441\u0442\u043e\u044f\u0449\u0430\u044f \u0438\u0437 \u0440\u044b\u0447\u0430\u0433\u0430 \u0438 \u0431\u043b\u043e\u043a\u0430. \u0427\u0442\u043e\u0431\u044b \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u043d\u0430\u0445\u043e\u0434\u0438\u043b\u0430\u0441\u044c \u0432 \u0440\u0430\u0432\u043d\u043e\u0432\u0435\u0441\u0438\u0438, \u043a \u0440\u044b\u0447\u0430\u0433\u0443 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u043f\u0440\u0438\u043b\u043e\u0436\u0438\u0442\u044c \u0441\u0438\u043b\u0443 4 \u041d. \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435 \u043c\u0430\u0441\u0441\u0443 \u0433\u0440\u0443\u0437\u0430. \u0420\u0435\u0448\u0435\u043d\u0438\u0435. \u041f\u0440\u0438 \u0440\u0435\u0448\u0435\u043d\u0438\u0438 \u0437\u0430\u0434\u0430\u0447\u0438 \u0431\u0443\u0434\u0435\u043c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u043e\u043c \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u0437\u0430\u0434\u0430\u0447 \u043f\u043e \u0441\u0442\u0430\u0442\u0438\u043a\u0435. 1. \u0421\u0438\u0441\u0442\u0435\u043c\u0443 \u043e\u0442\u0441\u0447\u0435\u0442\u0430 \u0441\u0432\u044f\u0436\u0435\u043c \u0441 \u0417\u0435\u043c\u043b\u0435\u0439, \u0442\u0430\u043a\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u043e\u0442\u0441\u0447\u0435\u0442\u0430 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0438\u043d\u0435\u0440\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0439. 2. \u0412\u044b\u043f\u043e\u043b\u043d\u0438\u043c \u0447\u0435\u0440\u0442\u0435\u0436 \u0441 \u0443\u043a\u0430\u0437\u0430\u043d\u0438\u0435\u043c \u0432\u0441\u0435\u0445 \u0441\u0438\u043b, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u043d\u0430\u2026 <span class=\"read-more\"><a href=\"https:\/\/www.fizika-online.ru\/?page_id=14375\">\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\/14375"}],"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=14375"}],"version-history":[{"count":3,"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=\/wp\/v2\/pages\/14375\/revisions"}],"predecessor-version":[{"id":14379,"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=\/wp\/v2\/pages\/14375\/revisions\/14379"}],"wp:attachment":[{"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14375"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}