If an object just begins to slide on a surface inclined at 30º to the
PHYSICS
JAMB 2022
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. \(\frac{1}{√3}\)
Correct Answer: D. \(\frac{1}{√3}\)
Explanation
A body sliding down a plane inclined at 30o to the horizontal,
Has coefficient of friction = tan 30º or \(\frac{1}{√3}\)
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