A mass of 10 kg is at a point A on the table. It is moved .....

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A mass of 10 kg is at a point A on the table. It is moved .....

A mass of 10 kg is at a point A on the table. It is moved to a point B. If the line joining A and B is horizontal, what is the work done on the object by the gravitational force? Explain your answer.

The video solution is embedded below.