Simple machine

A simple machine is a device that reduces the amount of force needed to perform a task or changes the direction of the force.[1]

The six simpler machines are:

* The inclined plane
* The wheel and axle
* The lever
* The pulley
* The wedge
* The screw

## References[edit]

1. ↑ Wile, Dr. Jay L. Exploring Creation With General Science. Anderson: Apologia Educational Ministries, Inc. 2000