gs1medium
An artificial satellite orbiting around the Earth does not fall down. This is so because the attraction of Earth
- A.does not exist at such distance
- B.is neutralized by the attraction of the moon
- C.provides the necessary speed for its steady motion
- D.provides the necessary acceleration for its motion
▶ Answer & Explanation
Correct answer: D. provides the necessary acceleration for its motion
The gravitational pull of the Earth on a satellite provides the centripetal force required to keep it in orbit. This force causes a continuous change in the direction of the satellite's velocity, resulting in circular motion without the satellite falling towards the Earth. Without this force, the satellite would move in a straight line tangential to its orbital path.
Source: UPSC gs1 2011