These web pages, authored and curated by David P. Stern, provide an explanation of forces in accelerating reference frames. Topics include centrifugal force and what is felt in vehicles that are speeding up or slowing...

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...

Authored and curated by David P. Stern, this series of web pages, part of "From Stargazers to Starships," describes Newton's three laws of motion and the two concepts on which they are based, force and inertia. The...

Created by David P. Stern this site consists of algebra-based material at the high-school level, oriented towards astronomy and spaceflight, which explores Newton's Laws and their application. Concepts are stressed such...

This online book examines the evolution of the principle of relativity in its classical, special, and general incarnations. It includes both technical and historical perspectives of the topic. Conceptual and mathematical...