JEE Main · PhysicsHard
A solid cylinder of mass $M$ and radius $R$ is rolling without slipping down an inclined plane of angle $\theta$. The minimum coefficient of static friction required is:
- A.$\frac{1}{2}\tan\theta$
- B.$\frac{1}{3}\tan\theta$
- C.$\frac{2}{3}\tan\theta$
- D.$\tan\theta$
Show correct answer & step-by-step solution
Correct answer: B — $\frac{1}{3}\tan\theta$
Solution
Using and with and , we find . Since , we get .
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