The 6 Simple Machines

Sarim 8-3


A lever is a bar resting on a pivot used to lift a heavy or firmly fixed load with one end when pressure is applied to the other.
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A pulley is a wheel with a rim around it that a cord or rope fits around. You pull the rope to lift heavy objects.
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A wedge is a triangular shaped tool, a compound and portable inclined plane. It can be used to separate to objects or portions of an object.
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Inclined Plane

An inclined plane is a plane surfaced to the horizon. Incline planes are used to increase the distance over which work is done.
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A small and skinny sharp pointed metal pin used to join things together by being rotated so that it pierces the material and is held tightly in place.
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Wheel and Axle

A wheel and axle is a simple lifting machine consisting of a rope that unwinds from a wheel onto a cylindrical drum or shaft joined to the wheel to provide mechanical advantage.
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