Dab tsi ua rau muaj kev hloov pauv hauv linear momentum?

2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36

Txoj cai lij choj tuaj yeem qhia tau li no: Hauv kev sib tsoo, ib qho khoom muaj kev quab yuam rau lub sijhawm tshwj xeeb uas ua rau muaj kev sib tsoo. hloov hauv lub zog . Qhov tshwm sim ntawm qhov quab yuam ua rau lub sijhawm muab yog tias qhov khoom loj yog nrawm los yog qeeb (los yog kev hloov kev taw qhia).

Tom qab ntawd, ob lub ntsiab lus twg ua rau muaj kev hloov pauv hauv lub zog?

Kev taw qhia ntawm lub lub zog vector yuav zoo ib yam li cov nrawm . Muab Momentum ” nyob rau hauv Conceptual ntsiab lus: Ob yam cuam tshuam lub zog yog qhov loj thiab nrawm ntawm qhov khoom. Ib yam khoom uas muaj qhov qis nrawm thiab ib pawg me me tsim tawm tsawg kawg lub zog vim nws yuav siv lub zog me me thiab/los yog lub sijhawm los nres nws.

Tom qab ntawd, lo lus nug yog, dab tsi yog ob txoj hauv kev uas koj tuaj yeem ua kom muaj zog linear? Raws li linear zog = velocity x mass (non-relativistically), ces muaj xwb ob txoj kev rau nce qhov (magnitude) ntawm lub lub zog . Nce qhov (magnitude) ntawm qhov nrawm los yog nce pawg. Nco ntsoov tias qhov nrawm, zoo li yog lub zog , yog li lawv muaj qhov loj thiab kev taw qhia.

Ntawm no, koj yuav daws li cas rau kev hloov pauv hauv lub zog?

Yog tias lub zog ua, piv txwv li, rau 5 vib nas this: 50 × 5 = 250. Qhov no yog qhov khoom. hloov hauv qhov nrawm, ntsuas hauv m / s. Multiply cov khoom hloov luas = 250 x 20 = 5,000. hloov hauv lub zog , ntsuas hauv kg m/s.

linear momentum txhais li cas?

Linear zog txhais tau tias yog cov khoom ntawm ib qhov system qhov loj multiplied los ntawm nws cov tshaj tawm. Yog li qhov loj dua ib yam khoom loj lossis qhov loj dua nws qhov nrawm, qhov loj dua nws lub zog . Momentum p yog a vector muaj tib qhov kev taw qhia raws li kev tshaj tawm v. Lub SI unit rau lub zog yog kg·m/s.