Editing Brake (section)

===Electromagnetic===
{{main|Electromagnetic brake|Regenerative braking}}
Electromagnetic brakes are likewise often used where an electric motor is already part of the machinery. For example, many hybrid gasoline/electric vehicles use the electric motor as a generator to charge electric batteries and also as a [[regenerative brake]]. Some diesel/electric railroad locomotives use the electric motors to generate electricity which is then sent to a resistor bank and dumped as heat. Some vehicles, such as some transit buses, do not already have an electric motor but use a secondary "retarder" brake that is effectively a generator with an internal short circuit. Related types of such a brake are [[eddy current brake]]s, and [[electro-mechanical brake]]s (which actually are magnetically driven friction brakes, but nowadays are often just called "electromagnetic brakes" as well).

[[Electromagnetic brake]]s slow an object through [[electromagnetic induction]], which creates [[Electrical resistance and conductance|resistance]] and in turn either heat or electricity. Friction brakes apply pressure on two separate objects to slow the vehicle in a controlled manner.