1.

A boy having a mass equal to 40 kilograms is standing in an elevator. The force felt by the feet of the boy will begreatest when the elevator             \[(g=9.8\,metres/{{\sec }^{2}})\]     [MP PMT 1995; BVP 2003]            

A.                              Stands still            
B.                         Moves downward at a constant velocity of 4 metres/sec            
C.                         Accelerates downward with an acceleration equal to \[4\,metres/{{\sec }^{2}}\]            
D.                         Accelerates upward with an acceleration equal to \[4\,metres/{{\sec }^{2}}\]            
Answer» E.


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