Physics, asked by nilanjanahouse, 6 hours ago

In which of the following cases friction is undesirable?

A) while we walk on the road.

B) Brake pads of cycle used to stop the wheel.

C) Ball-bearing in machines parts.

D) while we write on paper with ball pen.

Answers

Answered by rkjha30Lite

Answer:

Friction is desirable in braking of a vehicle. As brakes are applied, friction between brake shoes and tyres opposes rotation of tyres and hence, forces it to stop.

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Answered by havyadarji2007

★᭄ꦿ᭄Answer★᭄ꦿ᭄

Friction is desirable in braking of a vehicle. As brakes are applied, friction between brake shoes and tyres opposes rotation of tyres and hence, forces it to stop.

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