Q. Rocket engines lift a rocket from the earth surface because hot gas with high velocity
A) Push against the earth
B) Push against the air
C) React against the rocket and push it up
D) Heat up the air which lifts the rocket
Explanation
(c) It works on the principle of conservation of momentum
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.