The 6 Simple Machines

By: Kyra Pointer


A pulley is a wheel on an axle that is designed to support movement of a cable or belt along its circumference. Pulleys are used in a variety of ways to lift loads.


A lever is a machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum. It is one of the six simple machines identified by Renaissance scientists.


A wedge is a simple machine used to push two objects apart. A wedge is made up of two inclined planes.