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Questions  

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

a
1.173
b
1.732
c
2.732
d
1.677

detailed solution

Correct option is B

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

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