A man of mass m has fallen into a ditch of width d Two of...

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A man of mass m has fallen into a ditch of width d Two of his friends are slowly pulling him out using a light rope and two fixed pulleys as shown in the figure Both the friends exert forces of equal magnitude F When the man is at a depth h the value of F is mg 4h A 4h C mgd h B mgh d D infinite h d

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