6 Simple Machines

Screw

A screw is an inclined plane wrapped around a pole which holds things together or lifts materials.


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Lever

A lever is a stiff bar that rests on a support called a fulcrum which lifts or moves loads.


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Wheel & Axel

A wheel with a rod, called an axle, through its center lifts or moves loads.


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Wedges

A wedge is an object with at least one slanting side ending in a sharp edge, which cuts material apart


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Inclined Planes

An inclined plane is a slanting surface connecting a lower level to a higher level.


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Pulley

A pulley is a simple machine that uses grooved wheels and a rope to raise, lower or move a load.


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