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Thursday, 02 April 2026
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If an object just begins to slide on a surface inclined at 30º to the ...

If an object just begins to slide on a surface inclined at 30º to the horizontal,the coefficient of friction is?
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  • A √3
  • B \(\frac{√3}{2}\)
  • C \(\frac{1}{√2}\)
  • D \(\frac{1}{√3}\)
Correct Answer: Option D
Explanation:
A body sliding down a plane inclined at 30o to the horizontal,
Has coefficient of friction = tan 30º or \(\frac{1}{√3}\)

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