A simple lever could be a solid beam laid across a pivot. As effort is applied to rotate one end about the pivot. The opposite end is also rotated about the pivot in the same direction.

Show me the science!Right, I've set up a very simple machine for us.Yeah, it looks simple. This is a super-powerful lever, I think you'll find!So, the lever is this ruler here.Here is the pivot ...

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 affects ...