The frictional force between two bodies - TEEZAB

The frictional force between two bodies

Jamb 1978

The frictional force between two bodies 

A. exists only when there is relative motion or tendency for motion

B. acts so as to oppose the motion

C. depends on the normal reaction between the two surfaces

D. is relatively independent of the area in contact

E. has all these characteristics

ANSWER: Option E

Note those characteristics as there may be a question on friction that may come in different formats!

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