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A sphere kept on a rough inclined plane ...


A sphere kept on a rough inclined plane is in equilibrium by a string wrapped over it. If angle of inclination is `theta`, the tension in string will be equal to

A

`mgsintheta`

B

`2mgsintheta`

C

`(mgsintheta)/(2)`

D

`mgcostheta`

Text Solution

Verified by Experts

The correct Answer is:
C
`T+f=mgsintheta` (translational equilibrium)
`T(R)=f(R)` (rotational equilibrium)
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