Question

when a rocket expels gas downward, what happens to the rocket? * it stays still it moves upward it moves downward it loses all force

Explanation:

According to Newton's third law of motion, for every action, there is an equal and opposite reaction. When the rocket expels gas downward (action), the gas exerts an upward force on the rocket (reaction). So the rocket moves upward.

Answer:

It moves upward