This site from NASA uses a colorful graphic to illustrate why objects reach terminal velocity. Provides equation for the terminal velocity of an object. Graphic is accompanied by a simple explanation.

Use this outline to find out about Newton's Laws of Motion. Use the different lesson plans covering the laws of motion to learn more.

By the end of this section, you will be able to apply a problem-solving procedure to solve problems using Newton's laws of motion.

Explains what static and kinetic friction are and discusses the coefficient of friction for different situations. Presents two simple lab experiments and real-life examples of friction in action.

A page describing rotational equilibrium and non-equilibrium situations. Includes graphics, equations, and many examples.