The basic physical principal principle that explains the operation of rocket engines is
A) the law of force pairs.
B) the law of inertia.
C) the atomic hypothesis.
D) Galileo's principle of falling.
E) Actually, rockets are unexplainable.

Question

Quizplus · Accepted Answer

Rocket engines operate based on Newton's third law of motion, which is the law of action and reaction (force pairs). When a rocket expels gas out of its engine, it experiences an equal and opposite force that propels it forward.

The Basic Physical Principal Principle That Explains the Operation of Rocket