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.
E-learning for Kids
E Learning for Kids: Science: Egypt: What Can Forces Do?
A learning module reviewing how much force is needed to push or pull objects. Also learn about the force of gravity.
Exploratorium
Exploratorium: Science Snacks: Physics/mechanics (Force and Motion)
A collection of mechanics activities. Many pertain to Newton's laws of motion. Step-by-step directions provided with illustrations. Great for teacher demos or student projects.
CK-12 Foundation
Ck 12: Universal Law of Gravity
[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will learn to describe and calculate how the magnitude of the gravitational force between two objects depends on their masses and...
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.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Gravity Force Lab
Manipulate the mass and distance of two objects to see how these properties change the gravity force.
Other
Federal Aviation Administration: Anti Gravity Marble [Pdf]
This experiment examines Newton's Second Law of Motion. Learn how centrifugal and centripetal force help to keep a marble in a can when turned upside down.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Gravity Force Lab
An interactive simulation that teaches about gravitational force, Newton's Third Law, and force pairs by varying properties affect the gravitational force exerted between two objects. This simulation can either be downloaded or played...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Gravity and Orbits
Move the sun, earth, moon, and space station to see how it affects their gravitational forces and orbital paths. Visualize the sizes and distances between different heavenly bodies, and turn off gravity to see what would happen without it.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Gravity and Orbits
An interactive simulation that teaches about gravitational force, circular motion, and astronomy by manipulating the sun, earth, moon, and a space station to observe the effects of gravity and orbital paths. This simulation can either be...
Texas Education Agency
Texas Gateway: 4.5 Normal, Tension, and Other Examples of Force
By the end of this section, you will be able to define normal and tension forces, apply Newton's laws of motion to solve problems involving a variety of forces, and use trigonometric identities to resolve weight into components.
Physics Classroom
The Physics Classroom: Circular and Satellite Motion: Gravity More Than a Name
This tutorial is intended for students to strengthen their understanding of gravitation and understand the nature of this force.
Physics Classroom
The Physics Classroom: Circular, Satellite, Rotational: Roller Coaster G Forces
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.
Project Britain
Primary Homework Help: Forces Quiz
First, read some fast facts about forces, then take a ten-question, multiple-choice quiz. Check to see if your answers are correct after each question.
CK-12 Foundation
Ck 12: Fifth Grade Science: Earth Science: Gravity
Do you know how gravity affects you? This module defines gravity and explains how gravity affects the motion of objects.
Other
Easyphysics: Chapter 5 Motion in Two Dimensions
Learners investigate motion in two dimensions. Some topics examined are two dimensional forces, gravity, and forces in three directions. The resource includes example problems with solutions and a chapter quiz.
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.
Science Education Resource Center at Carleton College
Serc: Physics Motion Activities for Second Grade
A lesson plan for stations that allow students to explore how a push or pull affects motion.
Science Education Resource Center at Carleton College
Serc: Newton's Second: Having a Ball With Motion
Students will create a gravity ball launcher to demonstrate their understanding of mass, force, momentum, and motion. The students will use critical thinking, measurement, and observation and analysis of data to make changes and improve...
Wikimedia
Wikipedia: Centripetal Force
Wikipedia's site on centripetal force provides a section explaining the difference between centripetal force and centrifugal force. Includes formulas and hyperlinked terms.
CK-12 Foundation
Ck 12: Earth Science: Gravity in the Solar System
[Free Registration/Login may be required to access all resource tools.] Understand the role of gravity in space.
Physics Classroom
The Physics Classroom: Vectors: Inclined Planes
Through examples and interactive practice problems, this physics tutorial helps students understand how forces behave on an object on an inclined plane.
Scholastic
Scholastic: Study Jams! Science: Our Solar System: Gravity & Inertia
A video and a short multiple-choice quiz on the topic of gravity and inertia, and how they work together to keep objects from floating off into space.
E-learning for Kids
E Learning for Kids: Science: Pirates: What Are Some Forces Around Us?
Covers the meanings of force, friction, and gravity, and the differences between magnetic and elastic spring force, and between weight and mass. The effect of air resistance on an object's motion is also touched upon.