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

A uniform disc of mass `M` and radius `R` is mounted on an axle supported in frictionless bearings. A light cord is wrapped around the rim of the disc and a steady downward pull `T` is exerted on the cord. The angular acceleration of the disc is

A

`F/MR`

B

`2F/MR`

C

`F/2MR`

D

`MR/F`

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Verified by Experts

The correct Answer is:
B
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