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Simple Machines and Electricity

Terms

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Electrons
Carry a negative charge
Driver Gear
the gear where force is applied by the axle.
Conductor
Material that allows electric current to flow
Direction of current flow
From (-) NEGATIVE to (+) POSITIVE
Third Class Lever
Fulcrum on end and load on other end.
Work
Force over a Distance
Gears
simple machine that uses teeth on a wheel
Static Electricity
Electrons being pulled from one surface to another.
Moveable Pulley
Wheel with a groove for holding rope that has mechanical advantage
Compound Machine
two or more simple machines combined.
Inclined plane
spreads work out over a distance using a ramp
Mechanical Advantage
Amount that a simple machine increases force
Simple machines
Devices that help us do work like Lever, wheel and axle, inclined plane, screw, gear, wedge
Anode
Negative electrode of a battery
Circuit
Source, path, and load (receiver) that allows current to flow.
Screw
inclined plane wrapped around an axle.
Amps
Measurement of the amount of electric current, the number of electrons that pass a given point at a given time
Insulator
A material that doesn't allow electrical current to flow is called?.
Magnetic Poles
North and South
Battery
A source for electrons in a circuit.
Ohms
Measure of the electrical resistance
First class lever
fulcrum in the middle.
Fulcrum
The point that the lever pivots on
Protons
Carrys a positive charge
Cathode
Positive electrode of a battery
Idler gear
middle gear that changes the direction of the output gear.
Magnetic Field
is created by electrons flowing
Load
device that uses the electrons.
Second Class Lever
fulcrum on end and load in middle.
Lever
A rigid bar that pivots about one point
Switch
Opens and closes an electrical circuit.
Current
Flow of electrons through a conductor.
Fixed Pulley
Wheel with a groove for holding rope that changes the direction of force
Follower Gear
the gear that gets turned by another gear.
Block and tackle
a combination of fixed and moveable pulleys that creates mechanical advantage.

Deck Info

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