Qhov txawv ntawm qhov hnyav thiab qhov hnyav yog dab tsi?
Qhov txawv ntawm qhov hnyav thiab qhov hnyav yog dab tsi?

Video: Qhov txawv ntawm qhov hnyav thiab qhov hnyav yog dab tsi?

Video: Qhov txawv ntawm qhov hnyav thiab qhov hnyav yog dab tsi?
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Raws li lub npe Qhov sib txawv ntawm qhov hnyav thiab hnyav

yog tias thauj yog lub nra; a hnyav yug thaum hnyav yog lub zog ntawm ib yam khoom vim lub gravitational attraction nruab nrab nws thiab lub ntiaj teb (los yog yam khoom astronomical nws yog feem ntau cuam tshuam los ntawm).

Khaws qhov no saib, qhov hnyav thiab quab yuam zoo li cas?

Qhov hnyav yog qhov ntsuas ntawm tus nqi ntawm zog ua rau ib tug loj vim lub acceleration vim togravity. Qhov hnyav feem ntau yog denoted los ntawm W. Qhov hnyav ismass muab faib ua acceleration of gravity (g).

Qhov thib ob, qhov load hauv physics yog dab tsi? Txwv thauj yog qhov siab tshaj plaws thauj uas astructure muaj kev nyab xeeb nqa. Nws yog tus thauj nyob rau hauv uas tus qauv yog nyob rau hauv lub xeev ntawm incipient yas vau. Raws li cov thauj nyob rau hauv tus qauv nce, lub displacements nce linearly nyob rau hauv lub elastic ntau yam kom txog rau thaum lub thauj attains lawv tus nqi.

Yog li ntawd, lub ntsiab lus ntawm qhov hnyav thiab qhov hnyav yog dab tsi?

1) Pawg yog ib qho kev ntsuas ntawm tus nqi ntawm qhov teeb meem muaj, thaum Qhov hnyav yog qhov ntsuas qhov rub ntawm lub ntiajteb txawj nqus ntawm ib yam khoom. 2) Pawg yog ntsuas los ntawm kev siv qhov sib npaug sib piv qhov paub txog qhov teeb meem mus rau qhov tsis paub qhov teeb meem. Qhov hnyav yog ntsuas ntawm qhov ntsuas.

Qhov txawv ntawm qhov piv txwv loj thiab qhov hnyav yog dab tsi?

Qhov twg hnyav yog lub zog uas lub pob ntseg rub cov khoom vim nws lub ntiajteb txawj nqus. Pawg yog ntsuas inkillo grams qhov twg hnyav ntsuas hauv Newtons. Rau piv txwv tib lub kua yuav hnyav 0.81 Newtons onMoon tab sis nws tseem yuav yog ib nrab ib kg hauv Pawg.

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