Video: Dab tsi yog angular acceleration sib npaug?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Nws yog qhov kev hloov hauv lub lub kaum sab xis ceev, faib los ntawm kev hloov hauv lub sijhawm. Qhov nruab nrab angular acceleration yog qhov kev hloov hauv lub kaum sab xis nrawm, muab faib los ntawm kev hloov hauv lub sijhawm. Cov angular acceleration yog ib tug vector uas taw tes rau hauv adirection raws lub rotation axis. Unit ntawm angularacceleration yog radians/s2.
Ib yam li ntawd, tib neeg nug, puas yog angular acceleration thiab centripetal acceleration tib yam?
2) vim angular acceleration siv rau tag nrho cov khoom nruj, txawm li cas los xij, tangential acceleration thiab centripetal acceleration yog rau ib lub vojvoog tshwj xeeb. Tsis muaj centripetal acceleration txhais tau hais tias cov khoom tsis txav hauv lub voj voog. o Centripetal acceleration tshwm sim los ntawm kev hloov pauv kev coj ntawm tangential tshaj tawm.
Tsis tas li ntawd, puas angular acceleration hloov nrog lub vojvoog? Kev sib npaug. Lub linear tshaj tawm yog proportional rau lub lub kaum sab xis velocity thiab lub vojvoog . Qhov nruab nrab angular acceleration yog cov hloov hauv lub kaum sab xis nrawm muab faib los ntawm lub sijhawm. Lub tangential kev ceev isproportional rau cov angular acceleration thiab cov lub vojvoog.
Dhau li ntawm no, qhov kev sib raug zoo ntawm angular tshaj tawm thiab angular acceleration yog dab tsi?
Cov angular acceleration tseem hu ua rotational acceleration . Nws yog ib tug quantitative qhia ntawm qhov kev hloov nyob rau hauv angular tshaj tawm nyob rau lub sijhawm unit. Cov kev ceev vector, magnitude los yog ntev yog ncaj qha mus rau tus nqi ntawm kev hloov nyob rau hauv angularvelocity.
Dab tsi ua rau angular acceleration?
Torque yog ib qho kev ntsuas ntawm lub peev xwm ntawm lub zog ua rau kev sib hloov. Ib yam li lub zog net ua rau acceleration , net torque ua rau angular acceleration , yog li koj tuaj yeem xav txog torque li tus lub kaum sab xis sib npaug zog. Torque coj lub zog mus rau hauv lub ntiaj teb tig.
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