By: Hannah Simic
A simple machine is a simple device for applying force. Simple machines are tools that make work easier.
A lever is a rigid bar that rotates around a fulcrum (fixed point).
Lever Class 1
Has the fulcrum is between the load and the effort
Lever Class 2
Has a fulcrum at one end, the effort at the other end and the load in the middle.
Lever Class 3
Has the fulcrum at one end, load at the other, and effort in the middle.
A tilted surface.
2 inclined planes on top of each other.
Is an inclined plane that coils around a shaft.
A wheel and axle with a rope attached to it.