Q2. Banking of road : (a) Reduce wear and tear of tyres (b) Provide more centripetal force (c) Increase drive velocity as compare to circular unbanked road (d) All of the above Hoxha the ceiling.
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Answer:
(a) Reduce wear and tear of tyres
Explanation:
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 suitably that will cause wear and tear . However when the curved road is banked a component of normal reaction of the ground provides the necessary centripetal force . The role of friction becomes secondary Therefore wear and tear of the tyres is reduced .
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