A string of negligible mass going over a clamped pulley of mass m supports a block of mass M as shown in the figure. The force on the pulley by the clamp is given by
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a
2 Mg
b
2mg
c
(M+m)2+m2g
d
g(M+m)2+M2
answer is D.
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Detailed Solution
Force on the pulley by the clampFpc = T2+[(M+m)g]2Fpc = (Mg)2+[(M+m)g]2Fpc =gM2+(M+m)2