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A mass of 10 kg is at a point A on a table. It is moved to a point B . If the line joining A and B is horizontal,

Q. 5.     A mass of  10 \; kg  is at a point A on a 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

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The displacement of the object is horizontally on the table. We know that the gravitational force is acting in a downward direction. There is no displacement vertically.

Thus the work done by the gravitational force is zero.

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