what is friction❓❓❓❓❓❓❓❓
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what is friction❓❓❓❓❓❓❓❓
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Friction is a force that opposes the relative motion between two surfaces in contact. It acts on both the surfaces. You might have heard about the ball bearings. They are used in many machines and tyres so as to reduce friction.
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The rubbing of one surface or thing against another.Friction is the resistance to motion of one object moving relative to another. It is not a fundamental force, like gravity or electromagnetism. Instead, scientists believe it is the result of the electromagnetic attraction between charged particles in two touching surfaces.
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