I need to know for school.
the best way is to use a brushless electric motor design, but that requires some computer knowledge, so a brushed electric motor is your best bet (if you're building the motor, if you just NEED the motor, then get a brushless if you can, they've got a LOT more power for less wattage than brushed ones, and require a lot less maintenance to keep them running at top capacity)
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That's very cool. Thanks for the link!
With a motor. That's been true since the early 1800's. There are several other methods, but you really need to learn to read if you want to know what they are.
The only way I am aware of is through electric fields. This is done in motors, and much more. When wire is wrapped in a coil like shape, it creates a strong electric field, and then it can move anything with a charge.
It makes a magnetic field.
Thats right. Sorry, I have been working with electric fields lately in physics so my mind isn't thinking the right way.
As sound91 says, using the electromagnetic motor effect is one way.However, if you have a high-voltage supply, you could make an electrostatic motor.