{"id":2083,"date":"2017-11-09T05:34:02","date_gmt":"2017-11-09T05:34:02","guid":{"rendered":"https:\/\/soniuch.net\/?p=2083"},"modified":"2017-11-09T05:34:02","modified_gmt":"2017-11-09T05:34:02","slug":"%d0%ba%d0%b8%d0%bd%d0%b5%d0%bc%d0%b0%d1%82%d0%b8%d0%ba%d0%b8%d0%b9%d0%bd-%d0%b1%d0%be%d0%b4%d0%bb%d0%be%d0%b3%d1%83%d1%83%d0%b4","status":"publish","type":"post","link":"https:\/\/soniuch.net\/?p=2083","title":{"rendered":"\u0411\u043e\u0434\u043b\u043e\u0433\u043e 20"},"content":{"rendered":"

$R$ \u0440\u0430\u0434\u0438\u0443\u0441\u0442\u0430\u0439 \u0442\u043e\u0439\u0440\u0433\u043e\u043e\u0440 \u044d\u0440\u0433\u044d\u0436 \u0431\u0443\u0439 \u0431\u04e9\u04e9\u043c\u0438\u0439\u043d \u043a\u0438\u043d\u0435\u0442\u0438\u043a \u044d\u043d\u0435\u0440\u0433\u0438 \u0437\u0430\u043c\u0430\u0430\u0441 $T = c S^2$ \u0445\u0443\u0443\u043b\u0438\u0430\u0440 \u0445\u0430\u043c\u0430\u0430\u0440\u043d\u0430. \u042d\u043d\u0434 $c$ \u043d\u044c \u0442\u043e\u0433\u0442\u043c\u043e\u043b, $S$ \u0437\u0430\u043c. \u0411\u04e9\u04e9\u043c\u0434 \u04af\u0439\u043b\u0447\u043b\u044d\u0445 \u0445\u04af\u0447\u0438\u0439\u0433 \u0437\u0430\u043c\u0430\u0430\u0441 \u0445\u0430\u043c\u0430\u0430\u0440\u0443\u0443\u043b\u0430\u043d \u043e\u043b.<\/p>\n

\n

\u04e8\u0433\u0441\u04e9\u043d \u043d\u044c:<\/p>\n

$T=cS^2$<\/p>\n

$c$ – \u0442\u043e\u0433\u0442\u043c\u043e\u043b<\/p>\n

$S$ – \u0437\u0430\u043c<\/p>\n

— – – – – – – – – – – – – – – – – – – – –<\/p>\n

\u041e\u043b\u043e\u0445 \u043d\u044c:<\/p>\n

$F = ?$<\/p>\n

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – –<\/p>\n

\u0411\u043e\u0434\u043e\u043b\u0442:<\/p>\n

\u0411\u04e9\u04e9\u043c\u0434 \u04af\u0439\u043b\u0447\u043b\u044d\u0445 \u043d\u0438\u0439\u043b\u0431\u044d\u0440 \u0445\u04af\u0447 \u043d\u044c<\/p>\n

$$ \\vec F = \\vec F_{\u0442\u0437} + \\vec F_{\\tau} \\quad \\quad (1)$$.<\/p>\n

\u042d\u043d\u0434 $F_{\u0442\u0437}$ \u043d\u044c \u0442\u04e9\u0432\u04e9\u04e9\u0441 \u0437\u0443\u0433\u0442\u0430\u0430\u0445 \u0445\u04af\u0447, $F_{\\tau}$ \u043d\u044c \u0442\u0430\u043d\u0433\u0435\u043d\u0446\u0438\u0430\u043b \u0445\u04af\u0447.\u00a0 \u0422\u0430\u043d\u0433\u0435\u043d\u0446\u0438\u0430\u043b \u0445\u04af\u0447\u043d\u0438\u0439 \u0445\u0438\u0439\u0441\u044d\u043d \u0430\u0436\u0438\u043b \u043d\u044c \u0431\u04e9\u04e9\u043c\u0438\u0439\u043d \u043a\u0438\u043d\u0435\u0442\u0438\u043a \u044d\u043d\u0435\u0440\u0433\u0438\u0439\u0433 \u043d\u044d\u043c\u044d\u0433\u0434\u04af\u04af\u043b\u043d\u044d.<\/p>\n

$$dT = dA = \\vec{F_{\\tau}} d \\vec{S} = F_{\\tau} dS \\quad \\quad (2)$$<\/p>\n

\u041d\u04e9\u0433\u04e9\u04e9 \u0442\u0430\u043b\u0430\u0430\u0441 \u043a\u0438\u043d\u0435\u0442\u0438\u043a \u044d\u043d\u0435\u0440\u0433\u0438\u0439\u043d \u04e9\u04e9\u0440\u0447\u043b\u04e9\u043b\u0442 \u043d\u044c:<\/p>\n

$$dT = d(c\\cdot S^2) = 2cS \\cdot dS \\quad\u00a0 \\quad(3) $$<\/p>\n

(2) \u0431\u0430 (3)-\u0440 \u0442\u044d\u0433\u0448\u0438\u0442\u0433\u044d\u043b\u04af\u04af\u0434\u044d\u044d\u0441<\/p>\n

$$F_{\\tau} dS = 2cS dS $$<\/p>\n

$$F_{\\tau} = 2cS \\quad\u00a0 \\quad(4)$$<\/p>\n

\u0431\u043e\u043b\u0436 \u0431\u0430\u0439\u043d\u0430.<\/p>\n

\u041e\u0434\u043e\u043e \u0442\u04e9\u0432\u04e9\u04e9\u0441 \u0437\u0443\u0442\u0433\u0430\u0430\u0445 \u0445\u04af\u0447\u0438\u0439\u0433 \u043e\u043b\u044a\u0451. \u0411\u04e9\u04e9\u043c\u0438\u0439\u043d \u043c\u0430\u0441\u0441 \u0431\u043e\u043b\u043e\u043d \u0445\u0443\u0440\u0434 \u043d\u044c \u0448\u0443\u0443\u0434 \u04e9\u0433\u04e9\u0433\u0434\u04e9\u04e9\u0433\u04af\u0439 \u0442\u0443\u043b\u00a0 $F_{\u0442\u0437} = \\frac{m \\upsilon^2}{R}$ \u0442\u044d\u0433\u0448\u0438\u0442\u0433\u044d\u043b\u0438\u0439\u0433 \u0448\u0443\u0443\u0434 \u0445\u044d\u0440\u044d\u0433\u043b\u044d\u0436 \u0431\u043e\u043b\u043e\u0445\u0433\u04af\u0439 \u043d\u044c \u044d\u044d.<\/p>\n

\u0425\u0430\u0440\u0438\u043d \u0431\u04e9\u04e9\u043c\u0438\u0439\u043d \u043a\u0438\u043d\u0435\u0442\u0438\u043a \u044d\u043d\u0435\u0440\u0433\u0438 \u043d\u044c $$T = \\frac{m \\upsilon^2}{2} = cS^2 $$ \u0431\u0430\u0439\u0433\u0430\u0430\u0433 \u0445\u0430\u0440\u0432\u0430\u043b $m \\upsilon^2 = 2cS^2$ \u0431\u043e\u043b\u0436 \u0431\u0430\u0439\u043d\u0430. \u04ae\u04af\u043d\u0438\u0439\u0433 \u0430\u0448\u0438\u0433\u043b\u0430\u0432\u0430\u043b \u0442\u04e9\u0432\u04e9\u04e9\u0441 \u0437\u0443\u0433\u0442\u0430\u0430\u0445 \u0445\u04af\u0447 \u043d\u044c $$F_{\u0442\u0437} = \\frac{m\\upsilon^2}{R} = \\frac{2cS^2}{R}$$ \u0431\u043e\u043b\u0436 \u0431\u0430\u0439\u043d\u0430. \u0418\u043d\u0433\u044d\u044d\u0434 \u043d\u0438\u0439\u043b\u0431\u044d\u0440 \u0445\u04af\u0447 \u043d\u044c<\/p>\n

$$F = \\sqrt{F_{\u0442\u0437}^2 + F_{\\tau}^2} = \\sqrt{(2cS)^2 + (\\frac{2cS^2}{R})^2} = 2cS\\sqrt{1+ \\frac{s^2}{R^2}}$$<\/p>\n

\u0411\u043e\u0434\u043b\u043e\u0433\u044b\u043d \u0445\u0430\u0440\u0438\u0443 \u043d\u044c $$F = 2cS\\sqrt{1+ \\frac{s^2}{R^2}}$$ \u0431\u0430\u0439\u043d\u0430.<\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

$R$ \u0440\u0430\u0434\u0438\u0443\u0441\u0442\u0430\u0439 \u0442\u043e\u0439\u0440\u0433\u043e\u043e\u0440 \u044d\u0440\u0433\u044d\u0436 \u0431\u0443\u0439 \u0431\u04e9\u04e9\u043c\u0438\u0439\u043d \u043a\u0438\u043d\u0435\u0442\u0438\u043a \u044d\u043d\u0435\u0440\u0433\u0438 \u0437\u0430\u043c\u0430\u0430\u0441 $T = c S^2$ \u0445\u0443\u0443\u043b\u0438\u0430\u0440 \u0445\u0430\u043c\u0430\u0430\u0440\u043d\u0430. \u042d\u043d\u0434 $c$ \u043d\u044c \u0442\u043e\u0433\u0442\u043c\u043e\u043b, $S$ \u0437\u0430\u043c. \u0411\u04e9\u04e9\u043c\u0434 \u04af\u0439\u043b\u0447\u043b\u044d\u0445 \u0445\u04af\u0447\u0438\u0439\u0433 \u0437\u0430\u043c\u0430\u0430\u0441 \u0445\u0430\u043c\u0430\u0430\u0440\u0443\u0443\u043b\u0430\u043d \u043e\u043b. \u04e8\u0433\u0441\u04e9\u043d \u043d\u044c: $T=cS^2$ $c$ – \u0442\u043e\u0433\u0442\u043c\u043e\u043b $S$ – \u0437\u0430\u043c — – – – – – – – – – – – – – – – – – –… Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[16],"tags":[],"class_list":["post-2083","post","type-post","status-publish","format-standard","hentry","category-physicsproblems"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/soniuch.net\/index.php?rest_route=\/wp\/v2\/posts\/2083","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/soniuch.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/soniuch.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/soniuch.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/soniuch.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2083"}],"version-history":[{"count":0,"href":"https:\/\/soniuch.net\/index.php?rest_route=\/wp\/v2\/posts\/2083\/revisions"}],"wp:attachment":[{"href":"https:\/\/soniuch.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2083"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/soniuch.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2083"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/soniuch.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2083"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}