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Robotics Unit 3.1

Electric motor uses electricity and transforms it into mechanical energy.
Mechanical energy The energy that performs work on an object, causing it to change its motion.
Magnetic field a region where a magnet will either push or pull on a metal object without actually touching it.
Split ring commutator establishes a flow of electricity by contacting conductive pads called brushes that are connected to the power source.
Windings loops of wire in a coil
Pole An assembly of wire loops about a core
Rotor The wire coil, a ceramic or iron core, and the commutator are attached to an axle shaft as a single assembly
Armature an arrangement of two or more poles and is attached to the rotor.
Stator The part of the motor, including the outer casing, that does not rotate
Angular velocity How fast an object rotates
Axis of rotation The central point or line that wheels, gears, and motors spin about.
Revolutions rotations
w Angular velocity
Tachometer a mechanical or optical device that is used to measure angular velocity.
Free spin When a motor is not attached to anything, there is no resistance working against it.
Created by: BHS Engineering
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