A car of mass m is moving on a level circular track of radius R.If μs re...

Q. A car of mass m is moving on a level circular track of radius R.If μs represents the static friction between the road and tyres of the car, the maximum speed of the car in circular motion is given by

Description : We have seen similar qus in year 2010 . qus is based on very well known concept of circular motion i.e circular turning on road by Friction only. Although no  numerical value in answer , but still its answer is result based . Students want to know why even such qus came into paper. Answer is simple , Examiner wants to check whether you even know the formula or not. Which implies while doing Revision , give importance to formula.

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