The Moon of mass revolves around Earth in a nearly circular orbit of radius with an…

PHYSICS · Subjective · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics

Problem

The Moon of mass 7.4×1022 kg7.4\times10^{22}\,\text{kg} revolves around Earth in a nearly circular orbit of radius 3.84×108 m3.84\times10^{8}\,\text{m} with an orbital speed of 1.02×103 m s−11.02\times10^{3}\,\text{m}\,\text{s}^{-1}. Determine the magnitude of the centripetal force acting on the Moon and state which fundamental force provides this centripetal force.

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