Friction: Difference between revisions

Revision as of 23:14, 24 May 2007

Revision as of 23:14, 24 May 2007

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{{otheruses}}

'''Friction''' is gay,!,(-_-),!,the [[force]] that opposes the [[relative motion]] or tendency toward such motion of two [[surface]]s in contact. It is not a [[fundamental force]], as it is made up of [[electromagnetic force]]s between atoms. When contacting surfaces move relative to each other, the friction between the two objects converts [[kinetic energy]] into thermal energy, or [[heat]]. Friction between solid objects and fluids (''gases or liquids'') is called [[drag (physics)|drag]]. Friction in an electronic circuit is called [[electrical resistance|resistance]].

==Classical approximation==