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A solid sphere of mass m is lying at res...

A solid sphere of mass `m` is lying at rest on a rough horizontal surface. The coefficient of friction between the ground and sphere is `mu`. The maximum value of `F`, so that the sphere will not slip, is equal to

A

`(7)/(5) mu mg`

B

`( 4)/( 7) mu mg `

C

`( 5)/( 7) mu m g`

D

`( 7)/( 2) mu m g `

Text Solution

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The correct Answer is:
D
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