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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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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709

Explanation Video

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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
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995