Question

What is friction? Give three examples in the field of sports where friction is needed.
answer in brief.

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Answer 1

Answer:

Friction acts as a resisting force which is generated , when two solid surfaces slide against one another. Examples :- <> For walking , there is a friction between our shoes / feet . <>There is a friction between the tires of a vehicle and between the road.

Explanation:

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Answer 2

Answer:

the force which opposes the relative motion between two bodies in contact is called friction

Ex. friction of sleeper on the fursh

friction of toy car on the fursh

friction of car Wheels on the road