A mass of 4 kg rests on a horizontal plane. The plane is gradually inclined until at an angle
q = 15° with the horizontal, the mass just begins to slide. What is the coefficient of static friction between the block and the surface ?
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Answer:
0.2679 means we can take 0.268
Explanation:
Coefficient of friction=tan(angle of repose)
= tan 15°
= 0.2679
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