34. Define friction. Explain how does friction arise between two substances.
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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:
When two surfaces slide over each other, there is a kind of interlocking pattern formed which prevents the surface from moving. Friction arises whenever one body moves or tries to move, over another.
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