Motion of artificial satellite around the earth is powered by:

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Liquid fuel

Solar energy

Atomic energy

None of these

answer is D.

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Detailed Solution

Concept: A moon, planet, or artificial satellite that orbits a planet or star is referred to as a satellite. For instance, because Earth orbits the sun, it is a satellite. The moon is a satellite as well because it revolves around Earth. Some examples of natural satellites are the Earth and the moon. There are a lot of man-made or artificial satellites orbiting the Earth.
The moon is a planet, satellite, and machine as well. Therefore, something aids in their motion around the sun's or another planet's orbit. A satellite orbits the Earth or the Sun when its speed and the gravitational attraction of those bodies are equal. Without this equilibrium, the satellite would either fall back to that planet or star or fly off into space in a straight line (assuming it has no initial speed).
Artificial satellites orbit the Earth in a variety of ways, at varying altitudes, speeds, and trajectories. The geometry of this path is elliptical.
It is now obvious that gravity aids in the rotation of both natural and manufactured satellites around the Earth.
Hence, the correct option is 4.

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