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A car moves along a horizontal circular road of radius r with velocity v .The coefficient of friction between the wheels and the road is $\large \mu$ . Which of the following statement is not true?

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The car will slip if

the car will slip at lower speed, if it moves with some tangential acceleration, than if it moves at constant speed.

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detailed solution

Correct option is C

Centripetal force is supplied by the frictional force of where f = mV2 / r.Now , fmax = µ . mg.: The car will slip if f > fmaxi,e if mV2 / r > µ mgi.e if r < V2/µg

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A car moves along a horizontal circular road of radius r with velocity v .The coefficient of friction between the wheels and the road is . Which of the following statement is not true?

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A car moves along a horizontal circular road of radius r with velocity v .The coefficient of friction between the wheels and the road is $\large \mu$ . Which of the following statement is not true?