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questions :friction what is?
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[Visitor (112.0.*.*)]answers [Chinese ]Time :2022-07-09
Friction is a Chinese word meaning that an object is in close contact with an object, moving back and forth.

Basic explanation

Use pressure to rub on the surface of an object

acceptation

Objects come into close contact with objects, moving back and forth

tribology

A discipline that studies friction, wear, and lubrication

classify

Static friction (rolling friction), sliding friction
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