Question

7). When do we say that work is done?
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Answer 1

Answer:

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Explanation:

Work is done whenever the given conditions are satisfied: A force acts on the body. There is a displacement of the body caused by the applied force along the direction of the applied force.

Answer 2

Answer:

Work is done whenever the given conditions are satisfied: A force acts on the body. There is a displacement of the body caused by the applied force along the direction of the applied force. The work W is equal to the force f times the distance d, or W = fd.