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

Answers (1)
D Devendra Khairwa

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.