A racehorse cannot stand on one leg, but when it runs it rarely has more than one leg on the ground. Why is a running horse more stable than a standing one?
A)Its legs tilt so the hooves fall in line with its center of gravity.
B)Its momentum gives it stability.
C)Its internal organs act like a gyroscope.
D)It uses its neck for balance the way a tightrope walker uses a pole.

Question

Quizplus · Accepted Answer

When a horse runs, its legs alternate between being lifted off the ground and placed back down, resulting in a continuous flow of momentum. This momentum helps to stabilize the horse while running.

A Racehorse Cannot Stand on One Leg, but When It