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One end of a uniform rod of length l and...

One end of a uniform rod of length l and mass m is hinged at A. It is released from the rest from horizontal position AB as shown in figure. The force exerted by the rod on the hinge when it becomes verticle is

A

`3/2mg`

B

`5/2mg`

C

`3mg`

D

5mg

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The correct Answer is:
B
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