When does a force do work? What is the work done by the moon when it r – InterviewSolution

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1.

When does a force do work? What is the work done by the moon when it revolves around the earth?

Answer»

Work is said to be done if a body undergoes displacement due to applied force. Work done = Force × Displacement

Work done is zero by the moon, as there is no displacement since it is moving in a circular path.

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