11:52 Loop-the-loop physics problem: Forces on a vertical loop. Physics Ninja 122.5K views - 10 years ago
13:47 Conservation of Angular Momentum: Walking toward the center of a Merry-Go Round Physics Ninja 15.1K views - 3 years ago
1:10:31 Simple Harmonic Motion - Complete Review of the Mass-Spring System Physics Ninja 102.6K views - 3 years ago