What is the minimum coefficient of friction for a solid sphere to roll without slipping on an inclined plane of inclination θ?
1)2/7tanθ
2)1/3tanθ
3)1/2tanθ
4)2/5tanθ
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https://www.meritnation.com/ask-answer/question/what-is-the-minimum-coefficient-of-friction-for-a-solid-sphe/system-of-particles-and-rotational-motion/8732187
https://www.meritnation.com/ask-answer/question/what-is-the-minimum-coefficient-of-friction-for-a-solid-sphe/system-of-particles-and-rotational-motion/8732187