Physics (or more often, the lack of it) is always abused in mindless action films or video games.
One of these is “Wanted”, I mean just look at this:
Sure, its cool as fuck, but its impossible in real life (not even close)
According to Newton’s first law, an object will do whatever it’s doing unless some other force acts on it.
The bullet here is fired in a straight line from the gun’s barrel. Unless you have those giant fan things next to it, it won’t curve from it’s trajectory in any way. Since it is moving in a straight line, it will keep moving in a straight line.
Bam. First law