I understand the basics of magnetism; charge, fields, etc, but I don’t understand how a magnetic field can apply force seemingly forever.
For example, if I bring a magnet close to another magnet, that other magnet will eventually be drawn to the magnet in my hand, causing it to move. That kinetic energy “is caused by the magnetic attraction” but how?
If I keep my hand between two magnets, they will squeeze against my hand for seemingly forever. If I were to squeeze my own hand, I’ll get tired eventually from the exertion, but magnets don’t “get tired.” Are magnets somehow infinite energy machines? I’d assume they aren’t, but where is this energy coming from and why does it seem endless?
Edit: yes I understand the difference between “force” and “energy,” defining those terms doesn’t actually answer my question!