Discusses the principles of levers, a type of simple machine that helps lift heavy loads by changing the direction or magnitude of force applied. It explains how the position of the fulcrum ...

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 ...

Learn how levers work by creating this fun and informative science fair project with ... Move the fulcrum — or pivot point — away from the LOAD cup 1 inch at a time and add more pennies as ...