Lub zog thiab nws cov units yog dab tsi?
Lub zog thiab nws cov units yog dab tsi?

Video: Lub zog thiab nws cov units yog dab tsi?

Video: Lub zog thiab nws cov units yog dab tsi?
Video: Da Vang - Puas Yog Nyuab2 Koj (nkauj tawm tshiab 2021) 2024, Tej zaum
Anonim

Momentum . Yog tias qhov loj ntawm ib yam khoom yog m thiab nws muaj qhov nrawm v, ces qhov lub zog ntawm cov khoom yog txhais ua nws huab hwm coj multiplied nws ceev. lub zog = mv. Momentum muaj ob qhov loj thiab kev taw qhia thiab yog li yog qhov vector ntau. Cov units ntawm lub zog yog kg m s−1 or newton seconds, Ns.

Hauv qhov no, dab tsi yog units rau lub zog?

Cov chav tsev ntawm lub zog yog cov khoom ntawm lub units ntawm huab hwm coj thiab tshaj tawm. In SI units Yog hais tias qhov hnyav hauv kilograms thiab qhov tshaj tawm yog nyob rau hauv meters ib ob ces tus lub zog yog nyob rau hauv kilometer ib ob (kg⋅m/s).

Ib tug kuj yuav nug, dab tsi yog formula rau momentum Dab tsi yog unit of momentum? Nws yog ib lo lus uas piav txog kev sib raug zoo ntawm lawv thiab qhov nrawm ntawm ib qho khoom, thiab peb tuaj yeem pom qhov no thaum nws sau rau hauv kev sib npaug form, p = mv, qhov twg p lub zog , m yog qhov hnyav hauv kg thiab v yog qhov nrawm hauv m / s. Vim lub zog yog vector kom muaj nuj nqis, qhov no txhais tau tias nws muaj ob qho tib si loj thiab kev taw qhia.

Kuj paub, lub zog yog dab tsi thiab nws lub SI unit yog dab tsi?

Momentum yog vector kom muaj nuj nqis tus khoom ntawm tus loj thiab tus ceev ntawm ib yam khoom orparticle. Cov txheem chav tsev ntawm lub zog magnitude yog tus kilogram-meter per second (kg. · m/sor kg.

Momentum piav qhia yog dab tsi?

Momentum yog ib lo lus physics; nws hais txog qhov ntau ntawm kev txav uas ib yam khoom muaj. Ib pab neeg ua kis las uas tab tom txav mus muaj lub zog . Momentum tuaj yeem txhais tau tias "mass in motion." Txhua yam khoom muaj pawg; yog li yog hais tias ib yam khoom txav, ces nws muaj lub zog - nws muaj nws loj inmotion.

Pom zoo: