Question

A car goes around a flat curve of radius 50 m at a speed of 14 m/s. What must be the minimum coefficient of friction between the tires and the road for the car to make the turn?

Answer 1

Coefficient of friction will be 0.4

Step-by-step explanation:

We have given radius of the curve r = 50 m

Speed of the car v = 14 m /sec

We have to find the coefficient of friction

For maximum turn frictional force must be equal to centripetal force

So
`\mu mg=(mv^2)/(r)`

`\mu=(v^2)/(rg)=(14^2)/(50* 9.8)=0.4`

So coefficient of friction will be 0.4