Question

Motion of artificial earth satellites around the earth is powered by

• A. Liquid fuel
• B. Solar batteries
• C. Atomic energy
• D. None of the above

Answer 1

The correct option is D None of the above

A satellite orbits Earth when its speed is balanced by the pull of Earth gravity. Without this balance, the satellite would fly in a straight line off into space or fall back to Earth.

So, the the motion of satellites around the earth is powered by the gravitational pull of the earth, which provides the necessary centripetal force for the satellite to orbit the earth.