Three horses are side-by-side on a merry-go-round: one at the edge, one near the axis, and one in between. Each horse has the same angular speed. Which horse has the greatest linear speed?
A) The horse at the edge.
B) The horse in the middle.
C) The horse nearest the axis.
D) The linear speed is the same for all three horses.

Question

Quizplus · Accepted Answer

The linear speed of a point on the merry-go-round is proportional to its distance from the axis of rotation. Therefore, the horse at the edge, which has the greatest distance from the axis, will have the greatest linear speed.

Three Horses Are Side-By-Side on a Merry-Go-Round: One at the Edge