Question

WHAT ARE THE LAWS OF FRICTION

Answer 1

THE FIVE LAWS OF FRICTION



1 When an object is moving, the friction is proportional and perpendicular to the normal force (N)

2 Friction is independent of the area of contact so long as there is an area of contact.

3 The coefficient of static friction is slightly greater than the coefficient of kinetic friction.

4 Within rather large limits, kinetic friction is independent of velocity.

5 Friction depends upon the nature of the surfaces in contact.

Answer 2

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