Q.

The coefficient of static friction between contact surfaces of two bodies is 13 . The contact surface of lower body supports the other till the inclination is less than

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a

450

b

300

c

600

d

900

answer is B.

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Detailed Solution

μ=Tanθ = 13=Tanθ θ=300
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The coefficient of static friction between contact surfaces of two bodies is 13 . The contact surface of lower body supports the other till the inclination is less than