Question

How does banking of roads reduce wear and tear of the tyres?​

Answer 1

Ans:When a curved road is unbanked force of friction between the tyres and the road provides the necessary centripetal force. Friction has to be increased which will cause wear and tear. But when the curved road is banked, a component of normal reaction of the ground provides the necessary centripetal force which reduces the wear and tear of the tyres.

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Answer 2

Answer:

The banking of roads is a good way to lessen the wear and tear caused due to friction as the horizontal component of normal reaction gives the necessary centripetal force, hence lessens friction.

Explanation:

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