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A solid sphere of mass m and radius R is...

A solid sphere of mass `m` and radius `R` is placed over a plank of same mass `m`. There is sufficient friction between sphere and plank to prevent slipping.

A Horizontal force `F` is applied on the plank. What is the maximum value of `F`, if `mu` is coefficient of friction between sphere movment and plank and there is no slipping ?

A

`(7)/(2)mu mg`

B

`mu mg`

C

`(9)/(2)mu mg`

D

`(5)/(2) mu mg`

Text Solution

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