A flat (unbanked) curve on a highway has a radius of 182.5 m. A car rounds the curve at a speed of 35.0 m/s. a. What is the minimum coefficient of static friction that will prevent sliding? b. Suppose that the highway is icy and the coefficient of static friction between the tires and pavement is only one-third of what you found in part (a). What should be the maximum speed of the car so that it can round the curve safely?

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.