Silvia quickly scrambled for her quill and parchment when the professor began explaining the theory. Uh huh, that made sense; the force of the thrust had to be stronger than the weight of the rocket. Got it. She scribbled that down on her parchment, as well as a few other points that had been made. Silvia looked up when the professor gave them their next task. Quickly, she straightened up her desk and then turned her eyes to the board.

Well, to her, all three of those laws could apply to both of those statements in some aspect; or well, all three could apply to the overall process of shooting a rocket. As for these specific statements…

She raised her hand. “Professor, I think the first statement sounds like the third law, the Action-Reaction law. The expelling of a propellant is the action, which causes the creation of thrust, the reaction.”