Simple Machines Flashcards
Any device that changes the amount of force you have to use to get something done
Machine
A wheel with teeth along the edge
Gear
A bar that goes up and gown over a point
Lever
A simple machine that lets you pull down on a rope, chain, or wire to lift something
Pulley
A lever that has the fulcrum between the load
First-class lever
A flat surface whose ends are at different heights
Inclined plane
A rigid bar that’s inserted through a whole in a wheel
Axle
A belt that turns more than one wheel
Drive belt
A combination of different simple machines working together
Compound machines
A lever that has the load between the fulcrum and the effort
Second-class lever
The point that a lever goes over
Fulcrum
A pulley system that uses one wheel
Axle
A lever that has the effort between the fulcrum and the load
Third-class lever
A machine consisting of one or more pulleys and wide flat belt
Conveyor belt
An incline plane wrapped around a cylinder or cone
Screw
