Eda's Levers home page


First-class levers, Second-class levers,Third-class levers

Eda's sources


Here's a video about all 3 classes of levers.
http://www.youtube.com/watch?v=OkQcs5ZBcLQ

Lever- A lever is a simple machine made up of a rigid bar that is supported at one point, the fulcrum.
Fulcrum- The fulcrum is a point at which a lever is supported.