Study Guide

Rotation Topics

The Basics of Rotational Motion

At the root of it, rotational motion is just like translational motion. Got it? Good, next...

Moment of Inertia

When it comes to translational motion, the idea of mass is fairly straightforward: heavy objects...

Torque

A doorknob is on the opposite side of a door as the hinges. Any wrench worthy of the name must be...

Angular Momentum

No kinematic study would be complete without some mention of conservation laws, right? It's a...

Rotation and Energy

To complete the tools you need to analyze rotational motion, we need one more concept from...

Common Mistakes

Radians, radians, radians. Use them, know them, love them. There are 2π rad in one...

Test Your Knowledge

1. What is the angular velocity of the earth as it rotates around its own axis? 2. Measured from...

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