Question

What is the work done by the force of gravity on a saterlite moving round the earth? Justify your answer?

Answer 1

Answer:

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If the direction of the force is perpendicular to displacement, then the work done is zero. When a satellite moves around the earth ,then the direction of force gravity on the satellite is perpendicular to its displacement . Hence the work done on the satellite by the earth is zero.

Answer 2

Answer:

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the direction of the force is perpendicular to displacement, then the work done is zero. When a satellite moves around the earth ,then the direction of force gravity on the satellite is perpendicular to its displacement . Hence the work done on the satellite by the earth is zero.