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A hollow sphere of mass 2 kg is kept on ...

A hollow sphere of mass `2 kg` is kept on a rough horizontal surface. A force of `10 N` is applied at the centre of the sphere as shown in the figure. Find the minimum value of `mu` so that the sphere starts pure rolling. (take `g=10 ms^(-2)`)

A

`sqrt(3)xx0.16`

B

`sqrt(3)xx0.08`

C

`sqrt(3)xx0.1`

D

data insufficient

Text Solution

Verified by Experts

The correct Answer is:
B
From given figure we get
`N=F sin theta+mg to(1), F cos theta-f=mg to(2)`
`fR=Ialphato(3)`
Solve above equations we can easily get
`mu=0.08xxsqrt(3))`
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