simple machine

lever

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A simple machine made up of a bar that pivots at a fixed point called a fulcrum.

wheel and axle

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A simple machines consisting of two circular objects of different sizes; the wheel is the larger of the two circular objects.

pulley

A pulley is a wheel and axle designed to support a rope or a cable; used to lift loads, apply force, and transmit power.

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screw

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A screw is formed when an incline plane is wrapped around a cylinder

wedge

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A triangular shaped tool used to separate two objects, lift an object, or hold an object in place.

incline plane

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An incline plane is a flat supporting surface tilted on an angle; used to help raise or lower a load with less work.