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A uniform sphere of mass m and radius r ...

A uniform sphere of mass m and radius r rolls without slipping down a inclined plane, inclined at an angle `45^(@)` to the horizontal . Find the magnitude of frictional coefficient at which slipping is absent :

A

`(1)/(3)`

B

`(2)/(7)`

C

`(1)/(5)`

D

`(1)/(7)`

Text Solution

Verified by Experts

The correct Answer is:
B
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