Raws li Hooke txoj cai, tus nqi ncab ntawm lub caij nplooj ntoos hlav raws li kev siv quab yuam yog ncaj qha proportional rau qhov loj ntawm lub zog. … Ib yam li ntawd, qhov deformation ntawm cov khoom nyob rau hauv ib lub load yog ncaj qha proportional rau lub load, thiab, conversely, lub resulting kev nyuaj siab yog ncaj qha proportional rau strain.
Puas kev nyuaj siab yog ncaj qha proportional to strain?
Cov kev ntxhov siab thiab cov kab mob ntawm cov khoom siv hauv cov khoom siv tsis tu ncua (piv txwv li thaiv cov roj hmab, steel bar) txuas nrog cov kab sib txuas uas yog lej tib yam li Hooke txoj cai. … Raws li Hooke txoj cai lij choj nyob rau hauv qhov txwv elastic, qhov kev ntxhov siab yog ncaj qha proportional rau cov kab mob ntawm lub cev
Kev sib raug zoo ntawm kev nyuaj siab thiab kev ntxhov siab yog dab tsi?
Kev ntxhov siab yog lub zog siv rau cov khoom siv, muab faib los ntawm cov khoom seem ntu ntu. Lim yog deformation lossis hloov chaw ntawm cov khoom uas tshwm sim los ntawm kev siv kev ntxhov siab.
Puas yog qhov kev ntxhov siab siab tshaj plaws ntawm qhov kev ntxhov siab ncaj qha ncaj qha rau kev mob?
Qhov kev txwv tsis pub tshajyog qhov taw qhia ntawm qhov kev ntxhov siab-txoj kev nkhaus qhov twg thaj tsam linear, elastic deformation hloov mus rau hauv cheeb tsam tsis-linear, yas deformation. Hauv lwm lo lus, qhov sib piv txwv txiav txim siab qhov kev ntxhov siab loj tshaj plaws uas yog ncaj qha proportional rau strain.
E hauv Young's modulus yog dab tsi?
Young's modulus (E) piav qhia txog tensile elasticity, los yog lub siab nyiam ntawm ib yam khoom rau deform raws tus axis thaum tawm tsam quab yuam siv raws li qhov axis; Nws txhais tau tias yog qhov piv ntawm tensile stress to tensile strain Nws yog feem ntau hu ua yooj yim raws li cov elastic modulus.
