Hosted on MSN
How Levers, Pulleys and Gears Work
This video explores different methods that can be use to amplify a force, and focuses on three types of machine - levers, pulleys and gears. The amplification of a force is called mechanical advantage ...
Hosted on MSN
Simple Machines: Understanding Input & Output Work
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results