This document discusses the three classes of levers and provides examples. Class 1 levers have the fulcrum between the load and effort. Class 2 levers have the load between the effort and fulcrum. Class 3 levers have the effort between the load and fulcrum. The document also mentions the famous quote from Archimedes about using a lever to move large objects.

1. Levers

2. Class 1 Lever
Load
Effort
Fulcrum

3. Examples of Class 1 Levers

4. Class 2 Lever
Load
Effort
Fulcrum

5. Examples of Class 2 Levers

6. Class 3 Lever
Effort
Load
Fulcrum

7. Examples of Class 3 Levers

8. Archimedes
287 B.C.- 212 B.C.
“Give me a lever long enough and a
fulcrum on which to place it, and I shall
move the world.” -Archimedes