Q.

The coefficient of friction is 1.33. If sin 530 = 0.8, the angle of friction is

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a

180

b

530

c

740

d

370

answer is B.

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Detailed Solution

μ=Tanθ 1.33 = Tanθ=43=tan 530 so angle of friction=θ = 530
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Best Books for NEET
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