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Circular motion on a level road
Concepts tested here
- Maximum speed on an unbanked road
All Questions
2012 AIPMT-MAINS 1 question
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A car of mass m is moving on a level circular track of radius R. If $\mu_s$ represents the static friction between the road and tyres of the car, the maximum speed of the car in circular motion is given byOn a level road the centripetal force is provided by static friction: $\frac{mv^2}{R} \le \mu_sN = \mu_smg$
$v^2 \le \mu_sRg$
$v_{max} = \sqrt{\mu_sRg}$