An artificial satellite moves at a steady 25,000 km/hr in a circular orbit around Earth. Is it accelerated?
A) Yes, because its direction of motion is changing.
B) Yes, because its speed is changing.
C) No, because its speed is unchanging.
D) No, because its direction of motion is unchanging.
E) No, for both reasons C and D.

Question

Quizplus · Accepted Answer

An object moving in a circular path is constantly changing direction, which means it is undergoing acceleration even if its speed remains constant.

An Artificial Satellite Moves at a Steady 25,000 Km/hr in a Circular