Question

define angle of repose and angle of friction respectively in applied mechanics

Answer 1

Angle of repose is defined as the the minimum angle of inclination of a plane with the horizontal ,such that a body placed on the plane just begins to slide down the incline.
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Answer 2

the steepest angle at which a sloping surface formed of loose material is stable is called angle of repose.

the angle of a plane to the horizontal when a body placed on the plane will just start to slide. The tangent of the angle of friction is the coefficient of static friction.

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