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

A uniform disc of radius R and mass M is free to rotate only about its axis. A string is wrapped over its rim and a body of mass m is tied to the free end of the string as shown in the figure. The body is released from rest. Then the acceleration of the body is -

A

`(2Mg)/(2m+M)`

B

`(2mg)/(2m+M)`

C

`(2Mg)/(2M+m)`

D

`(2mg)/(2M +m)`

Text Solution

Verified by Experts

The correct Answer is:
B
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