## Potential Energy and Energy Conservation

- Potential Energy and Conservation of Mechanical Energy
- Lecture (27:06)
*Definition of potential energy, calculating gravitational energy with several examples, and the conservation of mechanical energy*

- Elastic Potential Energy
- Lecture (18:20)
*Calculating elastic potential energy from Hooke's Law, and an example combining gravitational elastic potential energy*

- Conservative and Nonconservative Forces
- Lecture (6:02)
*Definition of conservative and non-conservative forces*

- Force from Potential Energy changes, and Energy Diagrams
- Lecture (15:58)
*How to derive the force from the potential energy, and how to read energy diagrams (including determining equilibrium points)*