Rocket works on the principle of coservation of

Rocket works on the principle of conservation of ____________.

(A) : A rocket works on the principle of conservation of linear momentum. (r) : When there is no external force on a system of two bodies the rate of change in momenta of two bodies are equal and opposite

(A) : A rocket works on the principle of conservation of linear momentum. (r) : When there is no external force on a system of two bodies the rate of change in momenta of two bodies are equal and opposite