Answer to Question #320208 in Physics for eyd

Question #320208

A car is moving at a speed of 25 m/sec around a level curve of radius 100 m. What is the minimum value of the coefficient of static friction between the tires and the road required to prevent the car from skidding?


1
Expert's answer
2022-03-29T12:27:49-0400

The car will move without skidding when

F=mv2RμsmgF=\frac{mv^2}{R}\leq\mu_s mg

Hence, the minimum value of the coefficient of static friction between the tires and the road

μs=v2gR=2529.8100=0.64\mu_s=\frac{v^2}{gR}=\frac{25^2}{9.8*100}=0.64


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