Take a look at an organized physics course. The 34-section electronic textbook covers material in AP® Physics 1 and 2. Teachers use the text to supplement lectures and have the class work through the labs. Each section contains...

Physical and biological factors affect everyday living. Scholars explore electromagnetic forces, motion, the rock cycle, and geological changes. They examine cells as the building blocks of life and how organisms reproduce using images...

Roller coaster rides are notorious for creating accelerations and g-forces. The magnitude and direction of normal force and gravity during the motion through a coaster's loop are depicted this animation.

This tutorial is intended for students to strengthen their understanding of gravitation and understand the nature of this force.

Through interactive practice problems and illustrated examples, students explore energy relationships for satellites.

This site from NASA provides biographical details about the lives of Tycho Brahe and Johannes Kepler. Discusses Kepler's successes at developing laws of planeatry motion. States the three laws and discusses each one individually....

Through examples and interactive practice problems, this physics tutorial helps students understand how forces behave on an object on an inclined plane.

Through illustrated examples and practice problems, this interactive physics tutorial helps students clear up their possible misconceptions about weightlessness.

This site from NASA states Kepler's second law of planetary motion and depicts its meaning with an informative diagram. Relates the law to conservation of energy principles and discusses the eccentricity of a satellite's (or a planet's)...

A handy resource that gives an overview of equations and definitions pertinent to an introductory, college-level physics course, with two of its three sections focusing on motion-related topics and principles.

This digital textbook covers core physics concepts and includes interactive features, real world examples, videos, and study guides.

The three laws of planetary motion as described by Kepler are stated and elaborated upon. Useful graphics and an easy-to-understand language are used to explain the nature of planetary motion. Both conceptual and mathematical. Includes a...

This site from NASA states Kepler's third law of motion and extends it to develop an equation for the velocity of an orbiting planet.

The orbits of satellites are described and an energy analysis is performed. Kinetic, potential and total mechanical energy are explained and applied to the motion of satellites.