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
A
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B
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C
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D
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Solution
The correct option is D Force on the pulley by the clamp Fpc=√T2+[(M+m)g]2 Fpc=√Mg2+[(M+m)g]2 Fpc=√M2+(M+m)2g