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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
  • A. √3
  • B. √3/2
  • C. 1/√2
  • D. 1/√3
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Correct Answer: Option 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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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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