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Simple Machines

Published on Nov 19, 2015

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SIMPLE MACHINES

Wheel and Axle
These two parts act like simple machines.They roll and are found on cars, bikes, and wheelbarrows.

Photo by rafaelsoares

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Wedge
This simple machine can be used to split things apart or hold a door open.

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Screw
Examples of this simple machine are used to hold things together. It is made up of an inclined plane wrapped around a cylinder.

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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.

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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.

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Inclined Plane
A heavy object can be rolled up this simple machine, instead of lifting it straight up.

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