Video: Dab tsi lub zog ntawm ib yam khoom nce nrog nws qhov siab?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Tshooj 4 Phau Ntawv Qhia Kev Kawm
| Lus nug | Teb |
|---|---|
| Thermal zog yog ntsuas hauv _. | joules ua |
| Lub _ lub zog ntawm ib yam khoom nce nrog nws qhov siab. | peev xwm |
| Lub zog kinetic ntawm ib yam khoom nce raws li nws _ nce. | ceev los yog loj |
| Mechanical zog yog tag nrho kinetic thiab _ energies nyob rau hauv ib tug system. | peev xwm |
Yog li ntawd, dab tsi nce thaum lub zog kinetic ntawm ib yam khoom nce?
Kev nrawm yog ceev hauv ib qho kev taw qhia. Yog li ntawd, lub kinetic zog ntawm ib yam khoom yog proportional rau lub square ntawm nws tshaj tawm (ceev). Hauv lwm lo lus, Yog tias muaj ob npaug nce hauv speed, kinetic zog yuav nce los ntawm ib qho ntawm plaub.
Qhov thib ob, lub zog twg nyob ntawm qhov loj thiab qhov siab? Gravitational muaj peev xwm zog nyob ntawm ib qho khoom hnyav thiab nws qhov siab tshaj hauv av (GPE = qhov hnyav x qhov siab).
Ib sab ntawm qhov no, puas muaj peev xwm nce nrog qhov siab?
Qhov siab dua ib yam khoom yog qhov ntau dua nws qhov gravitational muaj peev xwm zog . Raws li feem ntau ntawm GPE no tau hloov pauv mus rau kinetic zog , qhov siab dua qhov khoom pib ntawm qhov nrawm dua nws yuav poob thaum nws tsoo hauv av. Yog li kev hloov hauv gravitational muaj peev xwm zog nyob ntawm qhov qhov siab ib yam khoom txav mus los.
Lub peev xwm lub zog ntawm ib yam khoom hloov li cas thaum nws qhov siab yog tripled?
Los ntawm gravitational muaj peev xwm zog ntawm ib yam khoom yog ncaj qha proportional rau nws qhov siab saum toj no xoom txoj hauj lwm, ib tug ob npaug ntawm cov qhov siab yuav ua rau ob npaug ntawm lub gravitational muaj peev xwm zog . A tripling ntawm qhov siab yuav ua rau a tripling ntawm lub gravitational muaj peev xwm zog.
Pom zoo:
Vim li cas lub zog gravitational muaj peev xwm nce nrog qhov siab?
Qhov siab dua ib yam khoom yog qhov ntau dua nws lub zog gravitational. Raws li feem ntau ntawm GPE no tau hloov mus rau hauv lub zog kinetic, qhov siab dua ntawm cov khoom pib los ntawm qhov nrawm dua nws yuav poob thaum nws tsoo hauv av. Yog li qhov kev hloov pauv ntawm lub zog gravitational nyob ntawm qhov siab ntawm qhov khoom txav mus los
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