Rotational Motion Question 149

Question: The least coefficient of friction for an inclined plane inclined at angle a with horizontal in order that a solid cylinder will roll down without slipping is

Options:

A) 23tanα

B) 27tanα

C) tanα

D) 57tanα

Show Answer

Answer:

Correct Answer: C

Solution:

[c]

μ=FR=mgsinαmgcosα=tanα



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