In the motors we assembled in class, we used a specific and limited set of materials: a battery, two paper clips, a small magnet, rubber bands, and a copper wire. Each of these objects served as part of a larger mission to get the wire to spin.
The battery serves as a charged object, and the paper clips carry the charges to the copper wire. The wire is scraped on one side on each end allowing the current to get through. The magnet rests on top of the battery, attracting the charges of the copper wire, causing it to spin. Lastly, the rubber bands keep the paper clips connected to the battery.
The motor turns because of its interaction with the magnet on top of the battery and the magnetic field that it puts off. The total force of this object is going up, and into the loop, forcing it to move.
This motor could be used as a small fan, maybe for a mouse in the summer. Blades could be attached to the ends of the wire, and the wire would continue to spin, creating a fan.
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