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If an object just begins to slide on a surface inclined at 30º to the horizontal,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. \(\frac{1}{√3}\)
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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  or \(\frac{1}{√3}\)

There is an explanation video available below.

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Explanation Video

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JAMB CBT 2024 - Candidates, Schools, Centres, Resellers - Get Ready!
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
JAMB CBT Mobile App 2024 - Free Download
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
JAMB CBT Mobile App 2024 - Free Download
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
JAMB CBT 2024 - Candidates, Schools, Centres, Resellers - Get Ready!