Answers

2016-06-17T17:45:13+08:00
Friction is a force that is created whenever two surfaces move or try to move across each other. Friction always opposes the motion or attempted motion of one surface across another surface. Friction is dependant on the texture of both surfaces.
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2016-06-18T09:42:19+08:00
It is a force between two surfaces that opposes the motion of body.
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