Khan Academy on a Stick
Moments, torque, and angular momentum
Thinking about making things rotate. Center of mass, torque, moments and angular velocity.
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Center of mass
Introduction to the center of mass
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Introduction to torque
An introduction to torque
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Moments
Introduction to moments
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Moments (part 2)
2 more moment problems.
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Relationship between angular velocity and speed
How angular velocity relates to speed
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Conservation of angular momentum
Angular momentum is constant when there is no net torque.
Torque, moments, and angular momentum
Until this tutorial, we have been completely ignoring that things rotate. In this tutorial, we'll explore why they rotate and how they do it. It will leave your head spinning (no, it won't, but seemed like a fun thing to say given the subject matter).