Pros and cons of permanent magnet motors

[Xaverius]

Well one of the pros I see, are low power magnet motors being used for kinetic sculpture art then becoming perpetual kinetic sculpture art  . This is one of my favorites me being a blacksmith. I am already starting to design what I want to do for my art pieces.

Are you familiar with Finsrud in Norway?

[AB Hammer]

@Xaverius

No I am not related. I am a blacksmith/armourer here is a link to some of my work.

http://www.creationtime.com/hisbsaw.htm

[utilitarian]

But the real question is what powers the continual magnetic force in a magnet?

Similarly, what powers gravity?  I think "powers" is not the correct word.  There is no power involved.  The force simply is.

For example, you have a rubber band wound tight around a pencil, long ways.  The rubber band is exerting a force on the pencil, and the pencil exerts a force back.  They can do this until the end of time, or until the rubber band snaps or the pencil breaks, and there is nothing powering this process.

[WilbyInebriated]

Similarly, what powers gravity?  I think "powers" is not the correct word.  There is no power involved.  The force simply is.

For example, you have a rubber band wound tight around a pencil, long ways.  The rubber band is exerting a force on the pencil, and the pencil exerts a force back.  They can do this until the end of time, or until the rubber band snaps or the pencil breaks, and there is nothing powering this process.

nothing powering this process except the energy expended to wind the rubber band around the pencil...
the force simply is... wow, and you accuse others of being gullible. lol, look in the mirror.

[utilitarian]

nothing powering this process except the energy expended to wind the rubber band around the pencil...
the force simply is... wow, and you accuse others of being gullible. lol, look in the mirror.

Go look up some basic physics concepts.  Power is the rate at which work is performed.  The rubber band causes nothing to move, therefore it is powering nothing.