Georgia State University
Georgia State University: Hyper Physics: Gravitational Potential Energy
This site defines and explains the concept of gravitational potential energy. Uses many equations and graphics to illustrate the idea. Provides an online computational practice set with immediate feedback.
CK-12 Foundation
Ck 12 Exploration Series: Simulations: Physics: Newton's Apple
[Free Registration/Login Required] Learn about the universal law of gravity and the role Newton played in relating terrestrial and celestial mechanics to one another.
Georgia Department of Education
Ga Virtual Learning: Physical Science: Force and Motion
In this student-paced module, students apply Newton's Laws of Motion to everyday life, calculate mathematical relationships involving force and motion using algebraic formulas, and understand the difference between mass and weight.
Georgia Department of Education
Ga Virtual Learning: Forces
Students learn about various forces and how they relate to everyday life in this interactive learning module.
Georgia State University
Georgia State University: Hyper Physics: Earth Orbits
An equation for the law of universal gravitation is stated. The weight equation (W=m*g) is related to the law. An interactive JavaScript form allows the user to practice determining the force of gravity and the acceleration of gravity...
Texas Education Agency
Texas Gateway: Ap Physics: Gravitational Potential Energy
By the end of this section, you will be able to explain gravitational potential energy in terms of work done against gravity, show that the gravitational potential energy of an object of mass m at height h on Earth is given by PEg = mgh,...
PBS
Pbs Learning Media: Energy in a Roller Coaster Ride
This interactive roller coaster ride produced for Teacher's Domain illustrates the relationship between potential and kinetic energy. As the coaster cars go up and down the hills and around the loop of the track, a pie chart shows...
OpenStax
Open Stax: Gravitational Potential Energy
In the following tutorial, students learn about gravitational potential energy in terms of work done against gravity. They will be able to show how knowledge of the potential energy as a function of position can be used to simplify...
Texas Instruments
Texas Instruments: Gravitational Laws
This activity assesses students' knowledge and understanding of gravitational laws.
Science Education Resource Center at Carleton College
Serc: Force and Motion: Gravity and Wind Resistance
Students investigate the effects of force on objects in motion particularly as it relates to gravity and wind resistance by performing a classroom egg-drop activity.
Science Education Resource Center at Carleton College
Serc: Using Your Marbles: Making Energy Work for You
This activity is based on the common experiment of running a marble down a ramp to do work on a cup. Students will be able to see the relationship between mass and energy of the marble and the ramp height.
NOAA
Noaa: Satellites in Orbit [Pdf]
Construct a model that helps to show how satellites stay in orbit around the Earth. Then see how a flashlight can help explain how a satellite can send messages to different locations.
TED Talks
Ted: Ted Ed: Free Falling in Outer Space
With a little help from Sir Isaac Newton, Matt J. Carlson explains the basic forces acting on an astronaut during a free fall. [2:59]
TED Talks
Ted: Ted Ed: Gravity and the Human Body
Our bodies function necessarily under the presence of gravity; how blood pumps, a sense of balance and bone growth are all due to life in a world where gravity is an inescapable reality. Armed with experiments from neuroscientists David...
Open Curriculum
Open Curriculum: The Nonmechanical Universe
Students learn about the fields of force and gravity in this illustrated article.
Other
Uc Riverside: Twin Paradox
To make sense of this, you have to first see the Twin Paradox: Introduction, which is the special relativity version and is linked to this page. This general relativity explanation views the paradox from a gravitational point of view.
Physics Classroom
The Physics Classroom: Potential Energy
The concept of potential energy is explained along with the two forms of potential energy: elastic and gravitational. Discusses what gravitational potential energy is, explains the direct relationship between it and mass and height, and...
Georgia State University
Georgia State University: Hyper Physics: Earth Orbit Velocity
A discussion and statement of an equation for orbital speed. An interactive JavaScript form allows the user to investigate the relationship between orbital height and orbital speed. A very good opportunity to practice and receive...
Physics Aviary
Physics Aviary: Practice Problems: Dump Tower Level 1
Students must find the acceleration due to gravity on a planet and the impact speed of an object that has been falling from the top of a garish tower.
Physics Classroom
The Physics Classroom: Circular and Satellite Motion: The Value of G Interactive
Students investigate how the force of gravity varies with location on Earth. They are challenged to find the pattern in their findings.
Physics Classroom
The Physics Classroom: Circular and Satellite Motion: Universal Gravitation Law
Through interactive illustrations and practice problems, students study Newton's Universal Law of Gravitation.
Physics Classroom
The Physics Classroom: Circular and Satellite Motion: Kepler's Three Laws
Through interactive practice problems and examples, students explore Kepler's Three Laws of Planetary Motion.
Physics Aviary
Physics Aviary: Universal Gravitation Potential Energy Lab
This lab is designed to have students investigate the energy added to an object when it is moved away from another object. This lab is meant to lay the foundations for the idea of universal gravitational energy. Students will see how the...
Physics Aviary
Physics Aviary: Practice Problems: Spring Stretch on Other Planet
Students must find the value of the amount of stretch that will occur to a spring on another planet.