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  4. A man of mass m stands on a crate of mass M. He pulls on a light rope passing over a smooth light pulley. The other end of the rope is attached to the crate. For the system to be in equilibrium, the force exerted by the men on the rope will be

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Q. A man of mass $m$ stands on a crate of mass $M$. He pulls on a light rope passing over a smooth light pulley. The other end of the rope is attached to the crate. For the system to be in equilibrium, the force exerted by the men on the rope will bePhysics Question Image

Laws of Motion

Solution:

Considering free body diagram of man and crate system in vertical direction.
$2 T =(M+ m) g$
$\therefore T =\frac{(M+ m) g}{2}$

Solution Image