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A string of negligible mass going over a...

A string of negligible mass going over a clamped pulley of mass m supports a block of M as shown in the figure. the force on the pulley by the clamp is given by:

A

`sqrt(2) Mg`

B

`sqrt(2) mg`

C

`g sqrt((M + m)^2 + m^2)`

D

`g sqrt((M + m)^2 + M^2)`

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The correct Answer is:
D
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