Question

what is friction?
explanation

Answer 1

Hey buddy
I think
Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.[2] There are several types of friction

Answer 2

Friction is the force that holds back the movement of the sliding object. that's it.
Friction is just the simple.
You will find friction everywere that objects come into contact with each other. The force act in the oposite direction to the way and object wants to slide.
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