If an object just begins to slide on a surface inclined at 30º to the horizontal,the coefficient of friction is?
- √3
- \(\frac{√3}{2}\)
- \(\frac{1}{√2}\)
-
\(\frac{1}{√3}\)
The correct answer is: D
Explanation
A body sliding down a plane inclined at 30o to the horizontal,
Has coefficient of friction = tan 30º or \(\frac{1}{√3}\)
There is an explanation video available .