Why a perpetual magnet engines do not work?

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A sample of this motor:

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

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51 Answers

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Anonymous 0 Comments

My understanding is that friction will always be a factor, and as such, ultimately, any perpetual motion type machine would be brought to stop because of it.

Anonymous 0 Comments

My understanding is that friction will always be a factor, and as such, ultimately, any perpetual motion type machine would be brought to stop because of it.

Anonymous 0 Comments

My understanding is that friction will always be a factor, and as such, ultimately, any perpetual motion type machine would be brought to stop because of it.

Anonymous 0 Comments

In short, friction and other forces require energy to overcome. As energy is lost to these, the motor loses energy (slows down) until it reaches a point of equilibrium, a spot where all the forces on the motor are equal and the motor stops.

Anonymous 0 Comments

In short, friction and other forces require energy to overcome. As energy is lost to these, the motor loses energy (slows down) until it reaches a point of equilibrium, a spot where all the forces on the motor are equal and the motor stops.

Anonymous 0 Comments

In short, friction and other forces require energy to overcome. As energy is lost to these, the motor loses energy (slows down) until it reaches a point of equilibrium, a spot where all the forces on the motor are equal and the motor stops.

Anonymous 0 Comments

If it worked, it would need electricity, and then what you have is basically an electric motor.

It doesn’t work with permanent magnets because while they pull and push, they also do the opposite. There’s inherent drag in such a system because there’s no way to expose the rotating element only to the magnetic fields you want. This means that even though the orientation of the magnets favors the same poles facing each other most of the time, this doesn’t mean that the rotating magnets don’t experience drag. Ultimately magnets want to stick together, not repel each other.

Anonymous 0 Comments

If it worked, it would need electricity, and then what you have is basically an electric motor.

It doesn’t work with permanent magnets because while they pull and push, they also do the opposite. There’s inherent drag in such a system because there’s no way to expose the rotating element only to the magnetic fields you want. This means that even though the orientation of the magnets favors the same poles facing each other most of the time, this doesn’t mean that the rotating magnets don’t experience drag. Ultimately magnets want to stick together, not repel each other.

Anonymous 0 Comments

If it worked, it would need electricity, and then what you have is basically an electric motor.

It doesn’t work with permanent magnets because while they pull and push, they also do the opposite. There’s inherent drag in such a system because there’s no way to expose the rotating element only to the magnetic fields you want. This means that even though the orientation of the magnets favors the same poles facing each other most of the time, this doesn’t mean that the rotating magnets don’t experience drag. Ultimately magnets want to stick together, not repel each other.

Anonymous 0 Comments

Magnets don’t work when they’re hot. Running something like this will slowly build up heat in the magnets. They will eventually stop working.

Perpetual motion doesn’t exist. Full stop. That’s just how physics works. Nothing lasts forever. You could theoretically design a machine that moves for a very long time, but not forever. It also couldn’t do anything besides spin. If you tried to get it to actually do work it would just stop embarrassingly quick.

My dad was really into this sort of thing when I was younger. Despite how he thinks he’s a genius despite never getting *any* education, it never worked at all. Not even a little bit.

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