alleryThe functioning of a satellite launch vehicle is based on which law of motion?
AKepler's law of areas
BNewton's first law of motion
CNewton's third law of motion
DNewton's law of gravitation
Answer & Solution
Correct answer: C. Newton's third law of motion
1. In a launch vehicle, fuel is burned and hot gases are expelled forcefully through rear nozzles.
2. By the action–reaction principle, this backward ejection produces a forward thrust on the vehicle.
3. The textbook attributes this to Newton's third law of motion.
4. So the launcher works on Newton's third law.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology, Ch 10 "Space Missions", p.149_
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