# Mechanics videos

Here you will find 1 free Mechanics video lectures.

Video
Level 3 (with higher mathematics)

## Euler-Lagrange Equation

In this physics video on analytical mechanics you will learn what the Euler-Lagrange equation is good for and how to use it (+ example).

Content of the video
1. 00:00 Why all this?
2. 00:52 Action Functional
3. 01:53 Nature is extemal
4. 02:44 Calculate the action
5. 03:52 Structure of the Euler-Lagrange equation
6. 05:20 Lagrange function
7. 05:54 How to use Euler-Lagrange equation