If an object just begins to slide on a surface inclined at 30° to the horizontal, the coefficient of friction is?

By: |Published on: Nov 14|Categories: Physics JAMB| 0 comments

A. √3
B. √3/2
C. 1/√2
D. 1/√3

Correct Answer:

Option D – 1/√3

Explanation

A body sliding down a plane inclined at 30° to the horizontal, has coefficient of friction
= tan 30° = 1/√3

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