Suppose a NASCAR race car rounds one end of the Martinsville Speedway. This end of the track is a turn with a radius of approximately 57.0 m. If the track is completely flat and the race car is traveling at a constant 33.5 m/s (about 75 mph) around the turn, what is the race car's centripetal (radial) acceleration? centripetal acceleration: m/s² Which force is responsible for the centripetal acceleration in this case? weight gravity friction normal What is the minimum coefficient of static friction between the race car's tires and the track necessary to keep the car from skidding into the wall on the outside of the turn? coefficient of static friction:

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A:

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A:

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A: Speed of car ( V ) = 96 km/h = 96 * (1000 / 3600 )  = 26.667 m/s Speed of car ( V ) = 26.667 m/s

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.