What is cause friction
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Amar Kumar 8 years, 2 months ago
When we try to move one object over another object, the irregularities present on their surface get entangled or locked with one another. The interlocking of irregularities of the two surfaces opposes the motion of one object over the other and give rise to force of friction.
Friction is caused by the interlocking of irregularities in the surface of two objects which are in contact with each other. To move one object over the other ,we have to apply a force to overcome interlocking of the irregularities in their surfaces.
More the roughness of a surface larger is the number of irregularities on its surface and has greater will be the friction does the force of friction.
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