Question

Give at least three examples where friction is useful​

Answer 1

Explanation:

Helpful frictional forces

friction between our shoes and the floor stop us from slipping.

friction between tyres and the road stop cars from skidding.

friction between the brakes and wheel help bikes and cars to slow down.

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Answer 2

Answer:

Writing

Friction enables on to write on a paper.

Climbing

Friction enables a ladder to remain still when one is climbing.

Walking

Friction enables one to move from place to place.