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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