Science, asked by chandkanwarnathawat1, 7 months ago

friction is not always needed.give reason

Answers

Answered by Aяχтιc

Answer:

Friction is sometimes unhelpful.

For example, if you don't lubricate your bike regularly with oil, the friction in the chain and axles increases. Your bike will be noisy and difficult to pedal. When there is a lot of friction between moving parts, energy is lost to the surroundings as heat.

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