[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.zadaas.cz\/mereni-pravitky\/#Article","mainEntityOfPage":"https:\/\/www.zadaas.cz\/mereni-pravitky\/","headline":"M\u011b\u0159en\u00ed prav\u00edtky","name":"M\u011b\u0159en\u00ed prav\u00edtky","description":"Prav\u00edtka n\u00e1s doprov\u00e1z\u00ed u\u017e od z\u00e1kladn\u00ed \u0161koly, kdy s nimi r\u00fdsujeme. T\u00edm to nemus\u00ed v\u016fbec skon\u010dit, proto\u017ee t\u0159eba takov\u00e9 sinusov\u00e9 prav\u00edtko je velmi d\u016fle\u017eit\u00e9. M\u011b\u0159en\u00ed <a href=\"https:\/\/www.zadaas.cz\/mereni-pravitky\/\" class=\"read-more\"> <i class=\"ion-ios-arrow-right read-more-right\"><\/i><\/a>","datePublished":"2021-01-28","dateModified":"2023-04-28","author":{"@type":"Person","@id":"https:\/\/www.zadaas.cz\/author\/#Person","name":"","url":"https:\/\/www.zadaas.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/f14f9548cfce1bfc4b3267434069a757db9568e455121a8852ede019c83b3b5e?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/f14f9548cfce1bfc4b3267434069a757db9568e455121a8852ede019c83b3b5e?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"zadaas.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.zadaas.cz\/wp-content\/uploads\/r%C3%BDsovan%C3%AD%20s%20prav%C3%ADtkem.jpg","url":"https:\/\/www.zadaas.cz\/wp-content\/uploads\/r%C3%BDsovan%C3%AD%20s%20prav%C3%ADtkem.jpg","height":0,"width":0},"url":"https:\/\/www.zadaas.cz\/mereni-pravitky\/","about":["V\u00fdrobky"],"wordCount":489,"articleBody":"      Prav\u00edtka n\u00e1s doprov\u00e1z\u00ed u\u017e od z\u00e1kladn\u00ed \u0161koly, kdy s nimi r\u00fdsujeme. T\u00edm to nemus\u00ed v\u016fbec skon\u010dit, proto\u017ee t\u0159eba takov\u00e9 sinusov\u00e9 prav\u00edtko je velmi d\u016fle\u017eit\u00e9.M\u011b\u0159en\u00ed prav\u00edtkySnadn\u00e9 m\u011b\u0159idloS prav\u00edtkem pracoval ka\u017ed\u00fd z n\u00e1s, proto\u017ee jist\u011b si vzpomenete na l\u00e9ta, kdy jste m\u011bli na z\u00e1kladn\u00ed \u0161kole hodiny geometrie a na nich jste museli konstruovat v\u0161emo\u017en\u00e9 \u00falohy. D\u016fle\u017eit\u00e9 bylo dodr\u017eet postup a tak\u00e9 spr\u00e1vn\u011b prav\u00edtko pou\u017e\u00edvat, abychom mohli t\u0159eba tvo\u0159it rovnob\u011b\u017eky. Z\u00e1kladem byla p\u0159esnost, aby byl nap\u0159\u00edklad prav\u00fd \u00fahel skute\u010dn\u011b prav\u00fd a nar\u00fdsovan\u00e1 konstrukce byla podle zad\u00e1n\u00ed spr\u00e1vn\u011b a p\u0159esn\u00e9.Pou\u017e\u00edv\u00e1n\u00ed prav\u00edtka nen\u00ed ot\u00e1zkou jen \u0161koly, proto\u017ee je to jedno z nejz\u00e1kladn\u011bj\u0161\u00edch m\u011b\u0159idel, jen\u017e vyu\u017eijeme v re\u00e1ln\u00e9m \u017eivot\u011b. T\u0159eba takov\u00fd stola\u0159 jej mus\u00ed m\u00edt neust\u00e1le po ruce, proto\u017ee sice m\u016f\u017ee pou\u017e\u00edt metr, ale ten na rozd\u00edl od ur\u010dit\u00fdch prav\u00edtek nem\u00e1 z\u00e1rove\u0148 funkci \u00faheln\u00edku, d\u00edky \u010demu\u017e ud\u011bl\u00e1 snadno prav\u00fd \u00fahel. Pr\u00e1v\u011b tento \u00fahel pou\u017e\u00edv\u00e1me p\u0159i v\u00fdrob\u011b velmi \u010dasto. Druh\u016f jich je mnoho, proto\u017ee prav\u00edtka se po\u017e\u00edvaj\u00ed v r\u016fzn\u00fdch oborech, p\u0159i\u010dem\u017e u ka\u017ed\u00e9ho se pr\u00e1ce li\u0161\u00ed, a proto jsou j\u00ed p\u0159izp\u016fsoben\u00e1 i m\u011b\u0159idla, aby se s nimi dalo lehce pracovat.Sinusov\u00e1 prav\u00edtkaNyn\u00ed se p\u0159esuneme ke speci\u00e1ln\u00edmu typu t\u011bchto prav\u00edtek, kter\u00e1 nefunguj\u00ed jak ta oby\u010dejn\u00e1 k m\u011b\u0159en\u00ed ur\u010dit\u00e9 vzd\u00e1lenosti, proto\u017ee n\u00e1m pom\u00e1haj\u00ed ur\u010dovat pot\u0159ebn\u00fd \u00fahel. Prav\u00edtko se nejmenuje jen tak sinusov\u00e9, proto\u017ee funguje pr\u00e1v\u011b d\u00edky funkci sinus, jen\u017e zn\u00e1m\u00e9 z pravo\u00fahl\u00e9ho troj\u00faheln\u00edku. Odli\u0161uje se o vzhledem proto\u017ee na rozd\u00edl od klasick\u00e9ho prav\u00edtka nen\u00ed placat\u00e9, ale m\u00e1 kovov\u00e9 t\u011blo a dv\u011bma v\u00e1le\u010dky. Sinusov\u00e9 prav\u00edtko I-nastroje.cz se podle d\u00e9lky a sv\u00fdch rozm\u011br\u016f.O n\u011bco dra\u017e\u0161\u00ed je proveden\u00ed s hroty. Proveden\u00ed je samoz\u0159ejm\u011b v\u00edce, kdy se prod\u00e1vaj\u00ed t\u0159eba i s radi\u00e1lem, co\u017e u\u017e z\u00e1le\u017e\u00ed na Va\u0161em pou\u017e\u00edv\u00e1n\u00ed, kter\u00fd je pro V\u00e1s nejv\u00fdhodn\u011bji. M\u011b\u0159en\u00ed \u00fahl\u016f je v\u00fdhodn\u00e9 u ku\u017eelovit\u00fdch sou\u010d\u00e1st\u00ed, kdy \u00fahel a ku\u017eelovitost m\u016f\u017ee zjistit snadno, rychle a s vysokou p\u0159esnost\u00ed, a proto jsou \u010dasto pou\u017e\u00edvan\u00e9 ve firm\u00e1ch, kter\u00e9 se zab\u00fdvaj\u00ed strojn\u00edm opracov\u00e1n\u00edm kov\u016f. Stoj\u00ed v \u0159\u00e1du tis\u00edc\u016f, ale je to m\u011b\u0159idlo, kter\u00e9 n\u00e1m skute\u010dn\u011b vydr\u017e\u00ed dlouhou dobu a m\u016f\u017eeme je pou\u017e\u00edt kdykoliv budeme pot\u0159ebovat pou\u017e\u00edt.                                                                                                                                                                                                                                                                                                                                                                                                   "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"M\u011b\u0159en\u00ed prav\u00edtky","item":"https:\/\/www.zadaas.cz\/mereni-pravitky\/#breadcrumbitem"}]}]