An object of mass 20kg slides down an inclined plane at an angle of 30o…

An object of mass 20kg slides down an inclined plane at an angle of 30o to the horizontal. The coefficient of static friction is?
[g = 10ms-2]
  • A.
    0.2
  • B.
    0.3
  • C.
    0.5
  • D.
    0.6
Correct Answer: Option D
Explanation

(mu = tantheta = tan30)

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