- Satellites orbit due to the balance between inertia and Earth's gravity. - Orbital motion itself is a form of freefall. - No continuous energy input is needed solely to stay in orbit.
Which one of the following statements about a satellite orbiting around the Earth is correct ?
Asked in UPSC NDA 2 2017 · Topic: Introduction to Space Science and Technology (Basic Concepts of Orbital Mechanics and Trajectories)
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Answer: D. Satellite does not require any energy for orbit‐ ing.
Read the notes: Introduction to Space Science and Technology →
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