Inertia: nyiam ntawm ib yam khoom los tiv thaiv kev hloov hauv nws qhov nrawm. Ib qho khoom ntawm so muaj xoom tshaj tawm - thiab (thaum tsis muaj lub zog tsis sib npaug) yuav nyob nrog xoom tshaj tawm. Xws li cov khoom yuav tsis hloov nws lub xeev ntawm kev txav (piv txwv li, tshaj tawm) tshwj tsis yog ua raws li qhov tsis sib haum xeeb.
Yuav ua li cas lub zog yuav tsis hloov qhov khoom txav?
Sib npaug zog tsis txhob hloov qhov kev txav ntawm ib qho khoom. Kev txav ntawm ib qho khoom yuav tsis hloov yog tias lub zog thawb lossis rub cov khoom sib npaug.
Dab tsi tuaj yeem hloov pauv qhov khoom txav?
A force tuaj yeem ua kom nrawm lossis qeeb ib qho khoom. Lub zog tuaj yeem hloov qhov kev taw qhia uas qhov khoom txav mus. Lub zog loj dua ntawm ib qho khoom yuav ua rau muaj kev hloov loj dua hauv kev txav. Cov khoom hnyav dua yuav tsum muaj lub zog loj dua li cov khoom sib zog txhawm rau txhawm rau hloov pauv tib yam hauv kev txav.
Yuav ua li cas qhov kev txav ntawm ib yam khoom uas tsis hloov pauv?
Thaum ib yam khoom tsis txav los teb rau kev thawb lossis rub, nws yog vim lwm lub zog sib npaug, xws li lub ntiajteb txawj nqus lossis kev sib txhuam, yog tawm tsam kev thawb lossis rub. Lub ntiajteb txawj nqus (lub ntiaj teb lub zog rub) thiab kev sib txhuam (lub zog ntawm ob qhov chaw) yog cov zog uas ua haujlwm tawm tsam.
Yuav tsum hloov tsab ntawv tsa suab?
Lub zog tsis sib npaug yog xav tau los hloov ib qho khoom txav.