This is one of the documents from the HowStuffWorks website. It provides a simple explanation on how a Van de Graaff generator works. More interestingly, it includes directions on how to build one.

This web site, authored by Erik Neumann, contains a collection of interactive java simulations for physics. Each simulation includes a detailed explanation of the physics and math behind the system, as well as the...

This simulation displays the motion of a simple harmonic oscillator. The user can adjust the physical parameters in the problem including mass, spring stiffness, and damping. Graphs can be plotted relating any two...

This lesson introduces students to Sir Isaac Newton's Second Law of Motion. Topics include the two ways to study the dynamics of a system in which there is motion, a brief description of Newton's work in studying and...

From Dean Baird's Book of Phyz, learn the "shocking truths and current models" of electrostatic charge and force, including Ben Franklin's Findings and what we currently know about charge in this two-page PDF document. ...