Can something happen without anything else causing it?
What prompted you to ask this question? 🤔
This is a concept that has been discussed for a long time ; you are in good company contemplating this fundamental paradox.
That strongly depends on your reference frame. As in, what system are you looking at? Where are you drawing your box? If your box is around the entire universe, then yes, every action is a reaction stemming from the big bang, with very few notable exceptions pertaining to black holes that I wont go into.
However, if your reference frame is a hand and a ball, then the hand pushing the ball is an original action, the ball moving its reaction.
What if the ball was talking shit?
Or if the ball was thrown at them…
Technically, yes.
Norton’s dome - Wikipedia https://en.m.wikipedia.org/wiki/Norton’s_dome
There are some good videos out there that can explain it a bit better than this
Wow, I’d never heard of that.
I wonder if there’s a quantum mechanical equivalent you could make. This has the loophole that we don’t live in a purely Newtonian universe.