If an object just begins to slide on a surface inclined at 30o to the…

Physics JAMB 2003

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

  • √3
  • √3/2
  • 1/√2
  • 1/√3 checkmark

The correct answer is: D

Explanation

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