help with science fair paper a lil somin about effort in levers?

Question

this is the starting for my paragraph i have lots more to put in it but i just want a lil somin about effort

A levver is made up of three things. A fulcrum, wich is the pivot or support on wich, a lever turns in raising or moving something. Then there is the effort. The effort....... this is where i need to talk about effort

yes i know ther r three types of levers but im puttin that after im just askin for someone to explain effort

Answer 1

You do know that there are three types of levers? You elbow is a type 3 lever. Also, levers are an example of what's known as a simple machine.


http://en.wikipedia.org/wiki/Lever