When we think of machines, the likes of robots, appliances and manufacturing equipment come to mind, but scientists also classify such common objects as the screw, the lever, the wedge and the wheel ...

In this video, we uncover the fascinating world of mechanical advantage through three simple yet powerful machines , levers, pulleys, and gears. For centuries, humans have used these inventions to ...

Explains how simple machines, such as levers, pulleys, wheels and axles, and inclined planes, work together to make tasks easier by trading force for distance or vice versa. It illustrates the concept ...

Find out more about the wheel and axel, the lever, and the wedge. Find out more about three of the six simple machines: the wheel and axel, the wedge, the lever. Simple machines like these help us do ...