define friction with help of some examples
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define friction with help of some examples
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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.
Examples
1. Driving of a a vehicle on a surface
2. Applying brakes to stop a moving vehicle
3. Skating
4. Walking on the road
5. Writing on notebook/ blackboard
Answer:
the action of one surface or object rubbing against another.
example: brake, sketch, writting
this all are friction