Questions
Two blocks of different masses are attached to a spring and the system is kept on a smooth horizontal surface. Now if any of the blocks is given a sharp impulse, what will be the motion of centre of mass (COM) of the system with respect to ground after a long time
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Correct option is C
As there is no constant external force acting on the system, the COM will move with constant speed. The spring force acts as an internal force for the whole system hence the motion of COM wont be influenced by this internal forceSimilar Questions
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