Question

what is friction? How does it originate?​

Answer 1

Answer:

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.

Explanation:

Friction originates in nanoscale contacts, as the result of new surface formation. The theory explains the generation of frictional force and frictional heating in dry contact

Answer 2

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.

Friction originates in nanoscale contacts, as the result of new surface formation.

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