Q.

A box is lying on an inclined plane what is the coefficient of static friction if the box starts slidingwhen an angle of inclination is 60° ?

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a

1.173

b

1.732

c

2.732

d

1.677

answer is B.

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Detailed Solution

μ=tan⁡( Angle of repose )=tan⁡60∘=1.732
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