placed on a smooth horizontal surface. The coefficient of friction between man and plank is mu as no external in horizontal direction.

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A man of mass m walks from end A to the other end B of a plank of mass M and length l, placed on a smooth horizontal surface. The coefficient of friction between man and plank is mu as no external in horizontal direction.
21
Sep
A man of mass m walks from end A to the other end B of a plank of mass M and length l, placed on a smooth horizontal surface. The coefficient of friction between man and plank is mu as no external in horizontal direction. A man of mass m walks from end A to [...]
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