Consider the following statementsA) Angle of repose is equal to angle of frictionB) Angle of friction is independent of coefficient of friction

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A and B are true

A and B are false

A is false and B is true

B is false and A is true

answer is D.

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Detailed Solution

If the block is the verge of slipping , we can write - mg sinθ = fBut N = mg cosθ and f = μs .N.: mg sinθ = μs .mg cosθ ⇒ θ = tan-1(μs) = λ

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