Why a perpetual magnet engines do not work?

Question

A sample of this motor:

[https://www.youtube.com/watch?v=LXBYMiNH1nE](https://www.youtube.com/watch?v=LXBYMiNH1nE)

In: 87

Answer 1

Because there’s no power. It’s like dropping a bouncy ball. Sure the ball bounces, but eventually it will stop if you don’t continue to bounce it. The ball doesn’t have any power of its own. Just like the magnets.