Here's how it works:

* Newton's Third Law of Motion: For every action, there is an equal and opposite reaction.

* Rocket Engines: Rocket engines burn fuel, creating hot, expanding gases.

* Thrust: These gases are expelled out of the rocket nozzle, creating a force that pushes the rocket in the opposite direction.

* Overcoming Gravity: The thrust must be strong enough to overcome the force of gravity and accelerate the rocket upward.

It's important to note that the rocket doesn't actually push off the ground like a car. It's the reaction force of the expelled gases that propels it forward.