A simple machine is a mechanical device that changes the direction or magnitude of a force. In general, they can be defined as the simplest mechanisms that use mechanical advantage (also called ...

A simple machine is a tool that helps us do work. They use clever shapes to help us move, lift, cut and other types of work. Learn more about the inclined plane, the pulley, the lever, the wheel and ...

Evan Shellshear is head of analytics at Biarri, a mathematical and predictive modelling company. This article was co-authored by Brendan Markey-Towler, previously a lecturer and research fellow at The ...