The maximum speed that can be achieved without skidding by a car on a circular unbanked road of radius R and coefficient of static friction μ, is 

(1) μRg

(2) Rgμ

(3) μRg

(4) μRg

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Concept Questions :-

(4) In the given condition the required centripetal force is provided by frictional force between the road and tyre.



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