If an object just begins to slide on a surface inclined at 30o to the horizontal,the coefficient of friction is
-
A.
√3 - B.√3/2
- C.1/√2
- D.1/√3
Correct Answer: Option D
Explanation
A body sliding down a plane inclined at 30o to the horizontal, has coefficient of friction
= tan 30o = 1/√3