A man has fallen into a ditch of with d and two of his friends are slowly pulling him out using a light rope and 2 fixed pulleys as shown in figure. show that the force(assume equal for both the friends) exerted by each friend on the rope increases as the man moves up. find the force when man is at a depth h.
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theta decrease as man moves up so sintheta also decreases tending to 0 so T tending to infinity proves force due to friends increase
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