1. Charlie Haffey Norwood Elementary Science
Levers
Charlie Haffey
Norwood Elementary Science

2. What Are Levers?
A board or a bar Little flexibility Pivots On a fulcrum

3. Lever Types
1st Class 2nd Class 3rd Class

4. 1st Class Lever L E L E
Load and Effort move in opposite directions.

5.
1st Class Lever

6. Best 1st Class lever

7. 2nd Class Lever L E

8.
2/second%20class%20lever%202.jpg
2nd Class Lever

9. Best 2nd Class lever

10. 3rd Class Lever E L

11. 3rd Class Lever

12. Best 3rd Class lever

13. Mechanical Disadvantage
E > L Trading Force For Distance

14. Charlie Haffey Norwood Elementary Science
Levers
Charlie Haffey
Norwood Elementary Science