Simple Machines
Published on Nov 19, 2015
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Wheel and Axel
These two parts act as one simple machine. They roll and are found on cars,bikes,and wheelbarrows.
Photo by stevehdc
Wedge
This simple machine can be used to split things apart or hold a door open.
Photo by AlphaTangoBravo / Adam Baker
Screw
Examples of this simple machine are used to hold things together. It is made up of an inclined plane wrapped around a cylinder .
Photo by bcymet
Lever
This simple machine can be used to lift a weight. It has a fulcrum,which can be located in the center,near the end or at the end of this simple machine.
Photo by Kaensu
Pully
A rope, a wheel with a groove in it and a weight make up this simple machine. You can pull up or down on the rope to lift the weight.
Photo by Jody Roberts
