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CBSE Class 11-science Answered

What is friction? Explain how it takes place.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer

Friction is retarding force which comes into action when a body moves or tends to move over a surface. Every surface if seen closely has some irregularities. Even at molecular level some irregularities exists. When such surfaces come in contact they tend to get interlocked giving rise to friction.

 
Answered by | 04 Jun, 2014, 03:23: PM
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