Throughout history, humans have developed several simple machines to make work easier. The most notable of these are known as the "six simple machines": the wheel and axle, the lever, the inclined ...

Simple Machines: Wedge. 03/04/2019 | 26m 46s Video has Closed Captions | CC. Splitting logs, building canoes, and "uplifting" wedges! Aired 03/04/2019 | Rating TV-G ...

Find out how simple machines makes work easier on this Science Trek. Simple machines include the lever, the inclined plane, the wedge, the pulley, the wheel and axle, and the screw. Combine these ...