1. Non-Conservative Forces,
Physics I Class 11
Conservative Forces,
Non-Conservative Forces,
and Collisions

2. Conservation of Energy (Review)

3. Conservative Forces Non-Conservative Forces

4. Is Mechanical Energy Always Conserved?

5. Example of Energy Lost to Friction (Non-Conservative Force)

6. Example of Energy Lost to Friction (Non-Conservative Force)

7. Elastic and Inelastic Collisions

8. Elastic Collisions in One Dimension

9. Elastic Collisions in One Dimension

10. Elastic Collisions in One Dimension - Example

11. Class #11 Take-Away Concepts

12. Class #11 Problems of the Day

13. Class #11 Problems of the Day

14. Activity #11 Friction and Energy

15. Class #11 Optional Material Elastic Collisions in 2/3D

16. Center of Momentum Reference Frame

17. Analyzing the Collision in the Center of Momentum

18. Transform Back to the Laboratory Frame of Reference