This web page, authored and curated by David P. Stern, describes forces in rotating frames of reference and the effects of the coriolis and centrifugal forces. A lesson plan is provided for instructors. This web page...

This lesson plan, authored and curated by David P. Stern, provides an approach to teaching circular motion. It covers uniform circular motion, and the relation of its frequency with the peripheral velocity v, the radius...

This web page, authored and curated by David P. Stern, describes the precession of the Earth's axis of rotation relative to the stars. It describes the discovery by the Greek astronomer Hipparchus that the position of...

This is a great site from Joe Wolfe of the University of New South Wales, which includes a tutorial and applet about wheels in physics. It answers three basic questions with animations and graphs: What happens when a...

Authored by Paul Doherty, Pearl Tesler and Noel Wanner for Exploratorium, this site analyzes the physics of skateboarding in great detail. It goes into many different 'tricks' and the effect of materials and design on...