{"id":164,"date":"2010-12-19T13:03:27","date_gmt":"2010-12-19T11:03:27","guid":{"rendered":"http:\/\/www.imaxi.net\/?p=164"},"modified":"2018-08-25T18:23:28","modified_gmt":"2018-08-25T16:23:28","slug":"kaldiraci-kim-buldu","status":"publish","type":"post","link":"https:\/\/www.ilkkimbuldu.com\/?p=164","title":{"rendered":"Kald\u0131rac\u0131 kim buldu"},"content":{"rendered":"<p>\u0130nsano\u011flunun var oldu\u011fu g\u00fcnden bu yana, \u015fu ya da bu bi\u00e7imde kald\u0131ra\u00e7lardan yararland\u0131\u011f\u0131 biliniyor. Zira tarih \u00f6ncesi binalar\u0131n hi\u00e7birini kald\u0131ra\u00e7 kullanmadan yapmak m\u00fcmk\u00fcn de\u011fildi. Ayr\u0131ca, insanlar, a\u011f\u0131r bir cismi kald\u0131rmak i\u00e7in mutlaka kald\u0131ra\u00e7 prensiplerinden birinden yararlan\u0131yordu.<\/p>\n<p>M.\u00d6. 3. y\u00fczy\u0131lda ya\u015fayan Yunan matematik\u00e7isi <strong>Ar\u015fimed<\/strong>, kald\u0131ra\u00e7la ilgili ilk matematiksel prensipleri ortaya koydu. Ar\u015fimed&#8217;in, &#8220;<em>Bana sa\u011flam bir destek noktas\u0131 verin, d\u00fcnyay\u0131 yerinden oynatay\u0131m<\/em>&#8221; s\u00f6z\u00fc \u00fcnl\u00fcd\u00fcr. Eski M\u0131s\u0131r&#8217;da, yap\u0131 ustalar\u0131, a\u011f\u0131rl\u0131\u011f\u0131 100 tonu bulan granit bloklar\u0131 kald\u0131ra\u00e7 y\u00f6ntemiyle bir yere kald\u0131r\u0131rlar ya da bir yere g\u00f6t\u00fcr\u00fcrlerdi.<\/p>\n<p><a href=\"http:\/\/www.ilkkimbuldu.com\/arsimet-archimedes-kimdir\/\">Ar\u015fimet<\/a>&#8216;in form\u00fcle etti\u011fi kald\u0131ra\u00e7lar, destek noktas\u0131 da denilen sabit bir nokta etraf\u0131nda d\u00f6nebilen sistemlere denir. Kald\u0131rac\u0131n etraf\u0131nda d\u00f6nd\u00fc\u011f\u00fc noktaya destek denir. Uygulanan kuvvetin destek noktas\u0131na olan uzakl\u0131\u011f\u0131na kuvvet kolu, y\u00fck ile destek aras\u0131ndaki uzakl\u0131\u011fa y\u00fck kolu denir. Bir kald\u0131ra\u00e7ta kuvvet kolu, y\u00fck kolundan ne kadar uzun olursa, bu kald\u0131ra\u00e7la kald\u0131r\u0131labilecek y\u00fck de o kadar b\u00fcy\u00fck olur.<\/p>\n<p>Dengede olan bir kald\u0131ra\u00e7ta, kuvvetle kuvvet kolunun \u00e7arp\u0131m\u0131, y\u00fckle y\u00fck kolunun \u00e7arp\u0131m\u0131na e\u015fittir. Buna kald\u0131ra\u00e7 ba\u011f\u0131nt\u0131s\u0131 denir.<\/p>\n<ul>\n<li><i>Kuvvet<\/i> x <i>Kuvvet kolu<\/i> = <i>Y\u00fck<\/i> x <i>Y\u00fck kolu<\/i><\/li>\n<\/ul>\n<p>Kald\u0131ra\u00e7lar, destek noktas\u0131n\u0131n bulundu\u011fu yere g\u00f6re \u00e7ift ve tek tarafl\u0131 kald\u0131ra\u00e7 olmak \u00fczere iki gruba ayr\u0131l\u0131r.<\/p>\n<ul>\n<li><b>\u00c7ift Tarafl\u0131 Kald\u0131ra\u00e7<\/b><\/li>\n<\/ul>\n<p>Deste\u011fin arada oldu\u011fu kald\u0131ra\u00e7lara denir. Kuvvetin y\u00f6n\u00fcn\u00fc de\u011fi\u015ftirir, kuvvetten kazan\u00e7 sa\u011flar. G\u00fcnl\u00fck hayatta \u00e7ift tarafl\u0131 kald\u0131raca benzer pek \u00e7ok ara\u00e7 kullan\u0131r\u0131z. \u00d6rne\u011fin makas, pense, , levye, kay\u0131k k\u00fcre\u011fi deste\u011fin arada, tahterevalli, e\u015fit kollu terazi deste\u011fin ortada oldu\u011fu kald\u0131raca benzer ara\u00e7lard\u0131r.<\/p>\n<ul>\n<li><b>Tek Tarafl\u0131 Kald\u0131ra\u00e7<\/b><\/li>\n<\/ul>\n<p>Deste\u011fin u\u00e7ta oldu\u011fu kald\u0131ra\u00e7lard\u0131r. \u0130ki \u00e7e\u015fittir:<\/p>\n<ol>\n<li>Deste\u011fin u\u00e7ta, y\u00fck\u00fcn ortada oldu\u011fu kald\u0131ra\u00e7. Kuvvetten kazan\u00e7, yoldan kay\u0131p vard\u0131r. Deste\u011fin u\u00e7ta, y\u00fck\u00fcn ortada oldu\u011fu kald\u0131ra\u00e7lara \u00f6rnekler; el arabas\u0131, f\u0131nd\u0131k k\u0131raca\u011f\u0131, gazoz a\u00e7aca\u011f\u0131,<\/li>\n<li>Deste\u011fin u\u00e7ta, kuvvetin ortada oldu\u011fu kald\u0131ra\u00e7. Yoldan kazan\u00e7, kuvvetten kay\u0131p vard\u0131r. Bu \u00e7e\u015fit kald\u0131raca \u00f6rnekler; c\u0131mb\u0131z, ma\u015fa, insan \u00e7enesi, i\u015f makinelerinin pistonla \u00e7al\u0131\u015fan kollar\u0131, \u00f6n kollar\u0131m\u0131z.<\/li>\n<\/ol>\n<h2>Kald\u0131ra\u00e7ta Kuvvet Kazanc\u0131<\/h2>\n<p>Basit makinelerde kuvvet kazanc\u0131, y\u00fck\u00fcn kuvvete oran\u0131 olarak ifade edilir.<\/p>\n<ul>\n<li><i>y\u00fck<\/i> x <i>y\u00fck kolu<\/i> = <i>kuvvet<\/i> x <i>kuvvet kolu<\/i> oldu\u011funa g\u00f6re,<\/li>\n<li><i>kuvvet kazanc\u0131<\/i> = <i>Y\u00fck<\/i> \/ <i>Kuvvet<\/i> = <i>Kuvvet Kolu<\/i> \/ <i>Y\u00fck Kolu<\/i> olarak yaz\u0131labilir.<\/li>\n<\/ul>\n<p>Kuvvet, deste\u011fe y\u00fckten daha uzak oldu\u011funda kuvvet kolu daha uzun oldu\u011fu i\u00e7in kuvvetten kazan\u00e7 vard\u0131r.\u00a0Y\u00fck, deste\u011fe kuvvetten daha yak\u0131n oldu\u011funda y\u00fck kolu daha k\u0131sa oldu\u011fu i\u00e7in yoldan kazan\u00e7 vard\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0130nsano\u011flunun var oldu\u011fu g\u00fcnden bu yana, \u015fu ya da bu bi\u00e7imde kald\u0131ra\u00e7lardan yararland\u0131\u011f\u0131 biliniyor. Zira tarih \u00f6ncesi binalar\u0131n hi\u00e7birini kald\u0131ra\u00e7 kullanmadan yapmak m\u00fcmk\u00fcn de\u011fildi. Ayr\u0131ca, insanlar, a\u011f\u0131r bir cismi kald\u0131rmak&#8230;<\/p>\n","protected":false},"author":1,"featured_media":10438,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[92],"tags":[2691,147],"class_list":["post-164","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilim","tag-arsimed","tag-kaldirac"],"_links":{"self":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts\/164"}],"collection":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=164"}],"version-history":[{"count":5,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts\/164\/revisions"}],"predecessor-version":[{"id":11703,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts\/164\/revisions\/11703"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/media\/10438"}],"wp:attachment":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=164"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}