Simple Machines

By: Jaziah Ellington

Lever

A stiff bar that rests on a support, which lifts or moves loads, and it works by lifting heavy objects, also it can be used for lifting things.

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Pulleys

It can be used by using grooved wheels and a rope to raise or move loads, it also can be used to pull things in a direction.
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Wedge

It is an object with at least one slanting side ending in a sharp edge, also it works by lifting an object or hold it in place.
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Wheel and Axle

It is a wheel with a rod through its center lifts loads, it also can be used for rotating objects.
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Inclined Plane

It is a slanting surface connecting a lower level to a higher levels, it also can be used for moving heavy loads over vertical obstacles.
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Screw

It is an inclined plane wrapped around a pole which hold things together, it also is used to lift materials and hold them in place.
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