Question

The moon revolves around the earth in a nearly circular orbit, kept there by the gravitational force exerted by the earth.Does gravity do (a) positive work , (b) negative work , or (c) no work on the moon?​

Answer 1

Answer:

(c)

Gravity does no work on the Moon, as the force is always perpendicular to the displacement.

Explanation:

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Answer 2

Explanation:

option c

is the right ans