Kinetic friction is the________________? – McqOptions

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1.	Kinetic friction is the________________?
A.	tangent of angle between normal reac-tion and the resultant of normal reac-tion and the limiting friction
B.	ratio of limiting friction and normal reaction
C.	the friction force acting when the body is just about to move
D.	the friction force acting when the body is in motion
E.	dynamic friction
Answer» E. dynamic friction

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