High School Physics 6

Khan Academy flashcards.

rotor

A rotating part of a machine or device that generates (Fl) lift or (Ft) thrust, commonly found in engines and helicopters.

armature

the rotating coil or coils of a dynamo or electric motor.

commutator

A device in electric motors and generators that reverses the direction of current flow in the armature, allowing for continuous rotation.

electric motor

uses electricity to produce motion by converting electrical energy into mechanical/kinetic energy through the interaction of magnetic fields.

electric generator

converts mechanical energy, typically from a rotating shaft, into electrical energy through electromagnetic induction.

voltage is always

electric

current is always

magnetic

conductor

uses electricity to produce heat (otherwise known as thermal energy).

kinetic energy is able to spin

generators

electric energy is used to power

motors

strongest gravitational point

the gravitational point that is closest to the center of gravity with more mass

weakest gravitational point

the gravitational point farthest from the center of gravity with less mass