Question

Why are curved roads are banked?
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Answer 1

Answer:

To avoid the risk of skidding of vehicles and to reduce the degradation of tyres, the curved roads are banked. If the road is horizontal, then the necessary centripetal force is of the static friction only.

Answer 2

To avoid the risk of skidding of vehicles and to reduce the degradation of tyres, the curved roads are banked. If the road is horizontal, then the necessary centripetal force is of the static friction only.