CK-12 Foundation
Ck 12: Physics: Circular Motion Study Guide
This study guide on circular motion covers key terms, centripetal force, linear vs. circular motion, precession, and equations. Includes four example problems with detailed solutions. The guide is available for download with free...
Pennsylvania State University
Acoustics and Vibration Animations: Demonstrations: The Simple Pendulum
A series of graphics, downloadable animations and text describe and explain the motion of a pendulum. Some sections require an understanding of calculus.