When railroad tracks make a curve, the outer track is longer. This means a wheel that rides on the outer track needs to somehow
A)roll slower than the wheel on the inner track.
B)maintain the same speed as the wheel on the inner track.
C)roll faster than the wheel on the inner track.

Question

Quizplus · Accepted Answer

In order to maintain the same speed and stay on the rails, the outer wheel needs to travel a greater distance per revolution than the inner wheel. Therefore, it must roll faster than the wheel on the inner track.

When Railroad Tracks Make a Curve, the Outer Track Is