In this study, presented at the 2002 Physics Education Research Conference, authors describe their investigation of students' use of Newton's II law in mechanics and electricity and magnetism contexts. They interviewed...

Created by Edward Kluk of Dickinson State University, this web site provides course materials for an introductory mechanics class. Topics covered include: kinematics, forces, energy, and momentum. Each page features a...

This page of the Einstein Light site presents the concept of an inertial reference frame, along with explanations of Newton's three laws. The site includes a video depicting the principle and is produced at the...

This site from the Exploratorium presents a demonstration showing that the acceleration of gravity is the same for different objects. The site contains a materials list, assembly instructions for creating the vacuum,...

Authored and curated by David P. Stern, this is a lesson plan for teaching frames of reference. It is linked to text material on reference frames, aberration of light, and a very short introduction to the foundations of...