Video: Qhov yooj yim tshaj plaws ntawm kinetic zog yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Cov yooj yim daim ntawv ntawm kinetic zog yog cov zog ntawm tag nrho cov khoom txav. Nws yog ib feem ntawm Mechanical Zog.
Raws li txoj cai, qhov yooj yim tshaj plaws ntawm kev txav yog dab tsi?
daim ntawv ntawm nws tsab ntawv tsa suab . Cov daim ntawv yooj yim tshaj plaws ntawm tsab ntawv tsa suab ntawm qhov teeb meem yog kev hloov kho tshuab ntawm qhov chaw ntawm lub cev hauv qhov chaw. Ib qho nyuaj dua daim ntawv ntawm kev txav yog yuav tsum tau pom (piv txwv li) nyob rau hauv cov txheej txheem thermal thiab cov tsis tau txiav txim tsab ntawv tsa suab ntawm cov molecules uas ua rau lub cev.
Ib sab saum toj no, dab tsi yog kev txav ntawm lub voj voog nrog qhov nruab nrab ntawm lub voj voog sab nraum cov khoom? Tshwj xeeb, koj muaj centripetal acceleration - lub acceleration xav tau kom lub khoom txav hauv ncig ncig . Lub centripetal acceleration ib txwm taw rau sab hauv raws lub vojvoog mus rau nruab nrab ntawm lub voj voog . Nyob rau hauv txhua rooj plaub, qhov ceev ntawm lub khoom yog perpendicular rau lub vojvoog ntawm lub lub voj voog.
Raws li, qhov yooj yim kinetic zog yog dab tsi?
Kinetic zog yog cov zog uas ib yam khoom muaj vim nws txoj kev txav. Qhov no zog tuaj yeem hloov mus rau lwm yam, xws li gravitational lossis hluav taws xob muaj peev xwm zog , uas yog zog hais tias ib yam khoom muaj vim nws txoj hauj lwm nyob rau hauv ib tug gravitational los yog hluav taws xob teb.
Yuav ua li cas rau lub kinetic zog ntawm ib yam khoom yog hais tias nws ceev yog doubled yog hais tias nws loj yog doubled?
Cov zog muaj lub cev vim yog nws tsab ntawv tsa suab, sib npaug rau ib nrab ntawm pawg ntawm lub cev lub sij hawm lub square ntawm nws ceev hu ua nws lub zog kinetic . Vim li no, thaum ceev yog ua ob npaug , kinetic zog ua 4x.
Pom zoo:
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