Question

WHAT IS FRICTION? what is friction​

Answer 1

Answer:

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Explanation:

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. There are several types of friction: Dry friction is a force that opposes the relative lateral motion of two solid surfaces in contact.

f = friction force

u = coefficient of friction

N = normal force

Where

F=un

Answer 2

Friction is the Resistance of motion of one object moving Relative to another. Hope my answer help you