Environmental Sciences, asked by deshmukhshivani030, 10 months ago

Please explain me this who will explain me this I will make him best answer and give thank to his 5 answer but please explain me perfectly please friends ​

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Answered by geetika58
1

it says that when a person uses a staircase

friction is worn out between the soles of his shoes and the stairs

Answered by Tinuarjun
1

Answer:

Friction 'wears out' ( damages) the steps of stair cases and foot over buildings.

*friction is something that doesn't happen in smooth manner because friction itself is against force.

*But for a motion to happen ,there must be friction and hence there would be damage in steps

*this damage due to friction can be reduced by using lubricant s

Hope this would have helped (◠‿・)—☆

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