If an object just begins to slide on a surface inclined at 30º to the horizontal,the coefficient of friction is?
A
√3
B
\(\frac{√3}{2}\)
C
\(\frac{1}{√2}\)
D
\(\frac{1}{√3}\)
Verified Correct Answer: D.
Physical Principles & Numerical Solution
A body sliding down a plane inclined at 30o to the horizontal,
Has coefficient of friction = tan 30º or \(\frac{1}{\sqrt3}\)
Source: Official Exam / Past Question Archive