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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 mass M as shown in the figure. The force on the pulley by the clamp is given by

A

`sqrt2 Mg`

B

`sqrt2 mg`

C

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

D

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

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