The concept of angular momentum, and the moment (torque) needed to create such a momentum is the topic of this page. This is an important stepping stone toward thinking about bodies that rotate.
Table of Links
- Review of Moments
- Angular Momentum (Theory)
- Concept Questions, Part A
- Concept Questions, Part B
- Concept Questions, Part C
- Analysis of a Myth Busters Problem
Before we can discuss angular momentum in a meaningful way it is important to remember what a moment is. Here’s a review in case you’re a little rusty.
In this video, I define angular momentum and present the relevant theory for using the concept to solve dynamics problems.
You don’t have to watch the whole video. It just repeats over and over… like a pendulum.
In the video below, I demonstrate what happens when I inflate a buoyant bubble on the end of the pendulum. Then, I’d like you to answer several questions about angular momentum in this context.
You may be familiar with the television show, Myth Busters. In this video, I show part of a Myth Busters episode in which I was rather dissatisfied with their explanation of a “myth” that they claimed that they had busted. In this (somewhat long, 25-minute) video, we take a closer look at some of the dynamics in the problem. The analysis uses several principles covered in our class: angular impulse – momentum, linear impulse – momentum, and path coordinates.