The Electric Motor is a fundamental part of many devices. Troubleshooting or designing a device requires some background knowledge of how motors work. We have created many videos on the subject from a simple demonstration to the description of the induction motor use in the Tesla Motors Model S. We have embedded videos in our reference pages.
You may want to review the page on magnetic induction.
Here are our pages on the electric motor:
All types of electric motors
The Induction Motor
Modern compact DC motors in Drones
Who actually invented the induction motor?
The first electric motor