Video: Dab tsi yog conservative quab yuam hauv physics?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Conservative quab yuam, nyob rau hauv physics , ib zog , xws li lub gravitational zog nruab nrab ntawm lub ntiaj teb thiab lwm qhov loj, uas nws txoj haujlwm tsuas yog txiav txim siab los ntawm qhov kawg ntawm qhov khoom ua raws li. Lub zog khaws cia, lossis lub zog muaj peev xwm, tuaj yeem txhais tau tsuas yog rau conservative rog.
Tsuas yog li ntawd, dab tsi yog lub zog tsis muaj kev ntseeg hauv physics?
Tsis yog - conservative rog yog dissipative zog xws li kev sib txhuam lossis cua tsis kam. Cov no zog coj lub zog tawm ntawm qhov system raws li qhov systemprogresses, lub zog uas koj tsis tuaj yeem rov qab los. Cov no zog nyob ntawm qhov chaw; yog li ntawd nws tseem ceeb qhov twg qhov khoom pib thiab nres.
Ib yam li ntawd, koj yuav ua li cas paub yog tias lub zog yog kev saib xyuas? Rau txiav txim yog tias nws yog kev saib xyuas koj tuaj yeem pom qhov ua haujlwm tiag tiag li F = ∇u F = ∇ u. Buta sufficiency test is to take the "cross partial derivatives". Vim ∂2u/∂x∂y ∂ 2 u / ∂ x ∂ y does not depend on the order in which you take partial derivatives you can take the partial w.r.t.
Hais txog qhov no, qhov sib txawv ntawm conservative thiab nonconservative rog yog dab tsi?
Hauv physics, nws tseem ceeb heev kom paub qhov sib txawv ntawm conservative thiab nonconservative rog . Txoj haujlwm a conservative zog ua rau ntawm ib yam khoom yog txoj kev ywj pheej; txoj kev tiag tiag coj los ntawm cov khoom ua rau tsis muaj txawv . Yog txawv los ntawm zog ntawm kev sib txhuam, uas dissipates kinetic zog raws li cua sov.
Yuav ua li cas yog conservative thiab tsis conservative rog nrog piv txwv?
Piv txwv : cov zog ntawm lub ntiajteb txawj nqus thiab lub caij nplooj ntoos hlav zog yog conservative rog . Rau ib tsis yog - kev saib xyuas (los yog dissipative) zog , txoj haujlwm ua tiav los ntawm A mus rau B nyob ntawm txoj kev coj. Piv txwv : kev sib txhuam thiab cua tsis kam.
Pom zoo:
Dab tsi yog qhov quab yuam ntawm ib qho khoom hauv qhov zoo li qub lossis dynamic equilibrium?
Thaum lub net quab yuam ntawm ib yam khoom sib npaug rau zerothen cov khoom no yog nyob rau ntawm so (staticequilibrium) los yog txav ntawm qhov nrawm nrawm (dynamicequilibrium)
Dab tsi yog 2 hom kev quab yuam ntawm kev nyiam?
Cov rog no tuaj yeem muab faib ua 2 hom: Intramolecular rog: Intramolecular quab yuam ntawm attraction yog lub zog ntawm attraction uas khaws ib lub molecule ua ke. Intermolecular rog: Intermolecular rog yog lub zog ntawm kev nyiam lossis kev tawm tsam uas ua haujlwm ntawm cov khoom nyob sib ze (atoms, molecules lossis ions)
Puas yog kev sib txhuam quab yuam conservative los yog nonconservative?
Lub zog uas tsis khaws lub zog yog hu ua nonconservative lossis dissipative rog. Kev sib txhuam yog lub zog tsis ruaj khov, thiab muaj lwm yam. Ib qho kev sib txhuam-hom quab yuam, zoo li huab cua tsis kam, yog lub zog tsis ruaj khov. Lub zog uas nws tshem tawm ntawm lub cev tsis muaj nyob rau hauv lub system rau kinetic zog
Dab tsi yog qhov yuam kev loj tshaj plaws yog tias Irina ntsuas qhov ntev ntawm nws lub qhov rais li 3.35 feet qhov yuam kev loj tshaj plaws yog taw?
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Dab tsi yog lub zog quab yuam hauv cov hlau nplaum?
Hauv hluav taws xob engineering thiab cov ntaub ntawv tshawb fawb, thecoercivity, tseem hu ua magnetic coercivity, coercivefield lossis coercive force, yog ib qho kev ntsuas ntawm lub peev xwm ntawm cov khoom siv ferromagnetic los tiv thaiv ib qho kev sib nqus sab nraud yam tsis tau demagnetized