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Mr. Dubey • 100.64K Points
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Q. A mass of 4kg rests on a horizontal plane. The plane is gradually inclined until at an angle θ= 15° with the horizontal, the mass just begins to slide. What is the coefficient of static friction between the block and the surface?

  • (A) 0.814
  • (B) 0.27
  • (C) 1.5
  • (D) 3.5
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Explanation by: Mr. Dubey
θ = 15° is the angle of response.

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