Mechanics and Relativity: Lecture 3 - Energy, Energy Conservation
This video series is not endorsed by the University of Cambridge. These videos are primarily inspired from David Tong's lecture notes, which can be found here:
https://www.damtp.cam.ac.uk/user/tong/relativity.html
as well as Dexter Chua's lecture notes, which can be found here: https://dec41.user.srcf.net/notes/IA_L/dynamics_and_relativity.pdf
Problem sets for this video series can be found using the link for David Tong's Lecture notes.