Lub zog muaj peev xwm yog lub zog ib yam khoom muaj vim nws txoj haujlwm hauv qhov chaw gravitational. Kev siv lub zog gravitational ntau tshaj plaws yog rau ib qho khoom nyob ze ntawm lub ntiaj teb qhov twg lub gravitational acceleration tuaj yeem xav tias yuav nyob tas li ntawm 9.8 m / s 2 .
Lub zog gravitational pom nyob qhov twg?
Yog ib yam khoom, xws li lub pob yog lifted saum av nwsmuaj peev xwm gravitational. Yog hais tias lub pob yog poob los ntawm so nws yuav poob rov qab rau hauv av. Lub zog gravitational muaj peev xwm hloov mus rau kinetic zog.
Yam khoom twg muaj lub zog gravitational?
Ib yam khoom muaj peev xwm gravitational yog nws nyob ntawm qhov siab saum toj (los yog hauv qab) qhov siab xoom. Ib yam khoom muaj lub zog elastic zog yog tias nws nyob ntawm txoj haujlwm ntawm qhov nruab nrab elastic uas tsis yog txoj haujlwm sib npaug.
Dab tsi yog qhov siab tshaj plaws gravitational lub zog thiab qhov twg?
gravitational muaj peev xwm lub zog yog siab tshaj nyob rau theem av / qhov chaw ntawm lub ntiaj teb.
Dab tsi yog lub cim rau lub zog gravitational?
Gravitational muaj peev xwm zog feem ntau yog muab lub cim U g U_g UgU, pib subscript, g, kawg subscript. Nws sawv cev rau qhov muaj peev xwm ib yam khoom yuav tsum tau ua haujlwm raws li qhov tshwm sim ntawm qhov chaw nyob ntawm ib qho chaw tshwj xeeb hauv thaj chaw gravitational.
