In order to move, you have to apply an equal force to something else, right? So how can rockets move in space where there are no particles?
In: Physics
Think of it like kickback from a gun. If you’ve never fired one, I’m sure you’ve seen it on TV. You shoot a bullet, the bullet leaves the gun in one direction really fast and the gun pushes back the other direction (at a lower speed because it weighs a lot more).
A rocket is essentially doing the same thing. It’s shooting stuff out behind it at a really fast speed. The rocket is pushed in the opposite direction. This is true both in the atmosphere and in space.
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