PRESENTATION OUTLINE
Wheel and Axle
These two parts act like simple machines.They roll and are found on cars, bikes, and wheelbarrows.
Wedge
This simple machine can be used to split things apart or hold a door open.
Screw
Examples of this simple machine are used to hold things together. It is made up of an inclined plane wrapped around a cylinder.
Lever
This simple machine can be used to lift a weight. It has a fulcrum, which can be located in the middle, near the end, or at the end of this simple machine.
Pulley
A rope, a wheel with a groove in it and a weight make up this simple machine. You can pull up or down to lift the load.
Inclined Plane
A heavy object can be rolled up this simple machine, instead of lifting it straight up.