A block of mass m slides down on incline...

A block of mass m slides down on inclined wedge of same mass m as shown in figure . Friction is absent everywhere . Acceleration of centre of mass of the block and wedge is

does not move

moves horizontally with constant speed

moves horizontally with increasing speed

moves vertically with increasing speed

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Verified by Experts

The correct Answer is:

There is no external force on the block + wedge system, So, centre of mass doesn’t move in horizontal.

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