Question

What is Friction?.......​

Answer 1

Answer:

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

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Answer 2

Answer: Friction is "the resistance an object encounters in moving over another" (OED). It is easier to drag an object over glass than sandpaper. ... A "rough" surface is one which will offer some frictional resistance. Limiting Equilibrium. Imagine that you are trying to push a book along a table with your finger.

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