A spherical shell of radius R is rolling...

A spherical shell of radius R is rolling down an incline of inclination `theta` without slipping. Find minimum value of coefficient of friction.

`2/7 tan theta`

`2/5 tan theta`

`2/3 tan theta`

None

Text Solution

Verified by Experts

The correct Answer is:

`F_(f)r=Ialphaimpliesmu mg cos theta=2/3 Ma=2/3M (g sin theta)/(1+2/3)`
`impliesmu=2/5 tan theta`

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