Two cars go around a banked curve at the proper speed for the banking angle. One car has tires with excellent traction, while the other car has bald slippery tires. Which of these cars is more likely
To slide on the pavement as it goes around the curve?
A) the car with the new tires
B) Neither car will slide.
C) the car with the bald tires
D) It depends on if the pavement is wet or dry.

Question

Quizplus · Accepted Answer

When cars go around a banked curve at the proper speed for the banking angle, the force necessary to keep them in their circular path is provided by the normal force from the banking of the road, not by friction. Therefore, both cars with excellent traction and bald tires will not slide if they are traveling at the correct speed for the banking angle.

Two Cars Go Around a Banked Curve at the Proper