Question

Rocket engines lift a rocket from the earth surface, because hot gases with high velocity

(a) react against the rocket and push it up

(b) push against the air

(c) push against the earth

(d) heat up the air which lifts the rocket.

Answer 1

Correct option (a) react against the rocket and push it up

Explanation :

Rocket propulsion is based on the principle of Newton's third law, that is every action has equal and opposite reaction.