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A uniform disc of mass M and radius R is...

A uniform disc of mass M and radius R is hinged at its centre C . A force F is applied on the disc as shown . At this instant , angular acceleration of the disc is

A

`sqrt3F/(MR)`

B

`F/(MR)`

C

`2/sqrt3F/(MR)`

D

`F/(2MR)`

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The correct Answer is:
B
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