Video: Qhov unit ntawm rotational kinetic zog yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Cov chav tsev ntawm kinetic zog yog Joules (J). Hais txog lwm yam units , ib tug Joule yog sib npaug rau ib kilogram ' meter ' squared ib ob squared (). Rotational Kinetic Zog Cov lus nug ntawm cov qauv: 1) Ib puag ncig zeb pob zeb nrog lub sijhawm ntawm inertia ntawm kuv = 1500 kg∙m2 yog rotating ntawm ib lub kaum sab xis ceev 8.00 radians/s.
Tib neeg kuj nug, dab tsi yog lub zog rotational kinetic ntsuas hauv?
Cov kinetic zog ntawm ib qho khoom rotating nyob ntawm qhov khoom lub angular ( kev hloov ) ceev nyob rau hauv radians ib ob, thiab ntawm cov khoom lub sij hawm ntawm inertia. Lub sij hawm ntawm inertia yog sawv cev nrog tsab ntawv I, thiab qhia nyob rau hauv units ntawm kg∙m2. Unit ntawm kinetic zog yog Joules (J).
Ib sab saum toj no, puas yog lub zog kinetic sib npaug sib npaug ntawm kev txhais lus kinetic zog? Tsuas yog qhov sib txawv ntawm kev hloov thiab txhais lus kinetic zog yog tias txhais lus yog txoj kab ncaj nraim thaum kev hloov tsis yog.
Ua raws li qhov kev pom no, koj yuav ua li cas thiaj daws tau lub zog kinetic rotational?
Cov lub kaum sab xis acceleration yog sib npaug rau qhov kawg lub kaum sab xis nrawm muab faib los ntawm lub sijhawm thiab qhov nruab nrab lub kaum sab xis nrawm yog sib npaug rau ib nrab ntawm qhov kawg lub kaum sab xis ceev. Nws ua raws li qhov rotational kinetic zog muab rau lub flywheel yog sib npaug rau cov hauj lwm ua los ntawm lub torque.
Puas yog acceleration yog kev sib hloov?
Cov lub kaum sab xis veloc ib tig khoom yog tus nqi ntawm nws tig . Yog tias lub kaum sab xis nrawm hloov, ces cov khoom kuj muaj ib angular acceleration , uas yog txhais raws li tus nqi ntawm kev hloov ntawm lub lub kaum sab xis ceev.
Pom zoo:
Dab tsi yog qhov zoo sib xws thiab qhov sib txawv ntawm kinetic thiab lub zog muaj peev xwm?
Lub Zog Muaj Peev Xwm yog lub zog khaws cia hauv ib qho khoom lossis qhov system vim nws txoj haujlwm lossis kev teeb tsa. Kinetic zog ntawm ib yam khoom yog txheeb ze rau lwm yam khoom txav thiab nyob ruaj ruaj hauv nws qhov chaw tam sim ntawd
Dab tsi yog qhov txawv ntawm qhov sib txawv ntawm qhov sib txawv thiab qhov sib txawv ntawm qhov ntab?
Integers thiab floats yog ob yam sib txawv ntawm cov ntaub ntawv tus lej. Ib tus lej (feem ntau hu ua anint) yog tus lej tsis muaj tus lej lej. Float isa floating-point number, uas txhais tau hais tias nws yog tus lej uas muaj tus lej lej. Floats siv thaum xav tau ntau dua
Dab tsi yog kev sib raug zoo ntawm gravitational muaj peev xwm zog thiab kinetic zog?
Thaum ib yam khoom ntog, nws lub peev xwm gravitational hloov mus rau kinetic zog. Koj tuaj yeem siv qhov kev sib raug zoo no los xam qhov ceev ntawm qhov khoom qhovntsej thiaj tsis mob. Gravitational muaj peev xwm zog rau ib pawg m ntawm qhov siab h nyob ze ntawm lub ntiaj teb yog mgh ntau tshaj li lub zog muaj peev xwm yuav nyob rau qhov siab 0
Dab tsi yog qhov txawv ntawm lub zog siv zog thiab lub zog thauj khoom?
Raws li nrog cov dav hlau inclined, cov khoom yuav tsum tau txav mus los yog lub zog muaj zog los yog thauj khoom thiab kev siv zog yog lub zog muab tso rau hauv kev txav mus los ntawm lwm qhov kawg ntawm lub fulcrum
Dab tsi yog cov qauv ntawm lub zog nyob rau hauv lub peev xwm thiab lub zog kinetic?
Lub zog muaj peev xwm yog khaws cia lub zog thiab lub zog ntawm txoj haujlwm - lub zog gravitational. Muaj ntau hom kev muaj peev xwm muaj zog. Kinetic zog yog kev txav - ntawm nthwv dej, electrons, atoms, molecules, tshuaj, thiab khoom. Chemical Zog yog lub zog khaws cia hauv cov khoom sib txuas ntawm atoms thiab molecules