PRO TIP Block youtube.com at the DNS level — Pi-hole, NextDNS or your hosts file — but allow youtube-nocookie.com and i.ytimg.com. These tutorials keep playing; the rabbit hole does not.

11: Hamiltonian formalism – Part 1

25.9K views on YouTube

NTNU Lectures 51 tutorials here

Physics

Jacob Linder: 26.01.2012, Classical Mechanics (TFY4345), V2012 NTNU

A full textbook covering the material in the lectures in detail can be downloaded for free here:
http://bookboon.com/en/introduction-to-lagrangian-hamiltonian-mechanics-ebook