Home Physics Work, Energy, Power and Collision Mix A man pulls a block heavier than himself wit…
Physics Work, Energy, Power and Collision Mix MCQ (Single Correct)

A man pulls a block heavier than himself with a light rope. The coefficient of friction is the same between the man and the ground, and between the block and the ground.

A
The block will not move unless the man also moves.
B
The man can move even when the block is stationary.
C
If both move, the acceleration of the man is greater than the acceleration of the block.
D
None of the above assertions is correct.

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The correct answer is:
CHECK THE SOLUTION.

(a, b, c, d)

Let = T tension is the rope. Force T acts on both. The limiting force of friction is larger for the block than for the man. Each body will move when T exceeds the force of friction.

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