CK-12 Foundation
Ck 12: Universal Law of Gravity
[Free Registration/Login may be required to access all resource tools.] Using Newton's Law of Gravity and the equations of uniform circular motion, students solve problems involving the force of gravity.
Science Struck
Science Struck: What Is Gravity and How Does It Work
A very detailed look at gravitational force and the many theories that have been put forward to try to explain it. Includes lots of illustrations.
NASA
Nasa: Kepler's Third Law
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.
CK-12 Foundation
Ck 12: Physics: Gravitation Study Guide
This study guide on gravitation covers some key vocabulary, Kepler's Laws of Planetary Motion, and orbiting bodies or satellites. Includes important equations. It is available for download with free registration.
TeachEngineering
Teach Engineering: The Science of Swinging
Students learn what a pendulum is and how it works in the context of amusement park rides. While exploring the physics of pendulums, they are also introduced to Newton's first law of motion - about continuous motion and inertia.
Science Buddies
Science Buddies: Distance and Speed of Rolling Objects
This project is an experiment in classical physics. You'll be following in Galileo's footsteps, and investigating Newton's laws of motion, but you'll be taking advantage of modern video recording technology to make your measurements. The...
TeachEngineering
Teach Engineering: Rocket Me Into Space
One of the exciting challenges for engineers is the idea of exploration. This lesson looks more closely at Spaceman Rohan, Spacewoman Tess, their daughter Maya, and their challenges with getting to space, setting up satellites, and...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Pendulum Lab
An interactive simulation that teaches about periodic motion, simple harmonic motion, and conservation of energy. Observe one or two pendulums to determine how the swing is influenced by the length of the string, the mass of the pendulum...
Other
Live strong.com: The Physics of Throwing a Football
Discussions on the subject of throwing a football are as common as chalk lines on a football field. Coaches and players talk about the proper grip, footwork and throwing motion, but few discussions mention the physics involved. Prolific...
TeachEngineering
Teach Engineering: Car Collision Testing & Tradeoffs: Don't Crack Humpty
Student groups are provided with a generic car base on which to design a device/enclosure to protect an egg as it rolls down a ramp at increasing slopes. During this activity, student teams design, build and test their prototype...
Other
Personal: The Laws of Motion
This personal site explains the physics of angular momentum and their application to flight. Part of a much larger site on the procedures, principles, and perceptions of flight.
Physics Classroom
The Physics Classroom: Satellite Motion
An animation depicting the path of projectiles launched at various launch speeds from the fictional Newton's Mountain. Accompanying text discusses satellite motion and the requirements of orbital motion. Links to further information is...
Physics Classroom
The Physics Classroom: Circular Motion Principles for Satellites
From The Physics Classroom. Uses easy- to-understand language to discuss how circular motion principles apply to the motion of satellites. Describes the tangential velocity and centripetal acceleration of a satellite. Includes many...
Cosmo Learning
Cosmo Learning: Fundamentals of Physics
A collection of video lectures from a fundamentals of physics course taught at Yale University. The course is an introduction to physics and discusses Newtonian mechanics, special relativity, gravity, thermodynamics, and waves. Course...
Ducksters
Ducksters: Biography for Kids: Scientist: Isaac Newton
Investigate Isaac Newton's biography on this site. Learn how he was a scientist who discovered gravity, the three laws of motion, and calculus. He is considered one of the great scientists in history.
Science Buddies
Science Buddies: How Does the Intensity of Light Change With Distance?
How far would you have to travel so that the light of the full sun would provide "daylight" no brighter than twilight on Earth? This project describes a method to verify the inverse square law: how light, sound, electrical signals, and...