freyashah146 freyashah146

03-08-2016
Physics

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What makes the steps of foot over bridge at railway station to wear out slowly?

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Аноним Аноним

03-08-2016

The constant friction between the soles of shoes and the stairs leads to wear the tear of the stairs

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kasandra118322 kasandra118322

03-08-2016

Any step or path will wear due to the constant passage of feet over a long time. The rate of wear can be slowed by covering the steps with a hard-wearing non-slip coating.

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