Angle of friction is the
(A) Angle between normal reaction and the resultant of normal reaction and the limiting friction
(B) Ratio of limiting friction and normal reaction
(C) The ratio of minimum friction force to the friction force acting when the body is just about
to move
(D) The ratio of minimum friction force to friction force acting when the body is in motion
(A) Angle between normal reaction and the resultant of normal reaction and the limiting friction
(B) Ratio of limiting friction and normal reaction
(C) The ratio of minimum friction force to the friction force acting when the body is just about
to move
(D) The ratio of minimum friction force to friction force acting when the body is in motion