Author Question: When a train makes a curve, a tapered wheel rim is able to A) cover different distances per ... (Read 106 times)

lindiwe · **on:** Jul 29, 2018

When a train makes a curve, a tapered wheel rim is able to

A) cover different distances per revolution.
B) maintain a fixed rotational speed.
C) reduce differences in angular speeds.

Question 2

The tapered shape of the wheel rims that ride on railroad tracks allows opposite wheels to

A) in effect, vary their diameters.
B) travel at different linear speeds for the same rotational speed.
C) both of these
D) none of these