Question

explain angle of friction and angle of repose with formula.

Answer 1

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Relation between Angle of Friction and Angle of Repose

From (1) and (2), tanα=μ=tanθ tanα=tanθ α=θ Thus, angle of friction is equal to the angle of repose.

Answer 2

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$\sf\green{Relation\: between\: Angle\: of \:Friction }$$\sf\green{and\: Angle\: of \:Repose\: :-}$

From (1) and (2), tanα=μ=tanθ tanα=tanθ α=θ Thus, angle of friction is equal to the angle of repose.❤