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Q.

If the angle of inclination of the inclined plane is sin−1⁡12 when the body just starts sliding find the angle of repose and coefficient of static friction between the body and the inclined plane.

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a

45∘,13

b

300,12

c

300,13

d

60∘,23

answer is C.

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Detailed Solution

Given, sinθ=12

⇒θ=300

Just sliding condition,

mgsinθ=μmgcosθ

⇒μ=tanθ=13

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