A satellite does not need any fuel to circle around the earth why?

Open in App

Solution

Satellites are launched with a set motion in their orbit. Since space hasno atmosphere there is no force to add friction. Hence, the satellite keeps in motion as per Newton's first law of motion. ... As the satellite approaches a planet its speed is increased due to the planets gravity.

A satellite rotates around the earth by using earth's gravitational force as centripetal force. Also as there is no air in space, it does not have to work against air resistance. Hence it doesn't lose any energy while rotating. So it does not require fuel to rotate around the earth.

Suggest Corrections

Similar questions

Q. A satellite does not need any fuel to orbit the earth why?

Q. Why does satellite keep moving in a circular orbit around Earth?

The earth exerts the necessary centripetal force on an orbiting satellite to keep it moving in a circle at constant speed. Which statement best explains why the speed of the satellite does not change although there is a net force exerted on it?

Q. Why satellites, which are revolving around the earth, do not fall into the earth?

Q. Assertion :Consider a satellite moving in an elliptical orbit around the earth. As the satellite moves, the work done by the gravitational force of the earth on the satellite for any small part of the orbit is zero. Reason:

K E

of the satellite in the above described case is not constant as it moves around the earth.

Join BYJU'S Learning Program