NASA
Nasa: Mass vs. Weight
Several learning modules that explain the difference between mass and weight. Each module includes a video introduction and detailed lesson plan.
Khan Academy
Khan Academy: What Is Weight?
This article on weight will help you prepare for the AP Physics test. Included are example problems to help you practice.
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.
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.
Science Education Resource Center at Carleton College
Serc: Projectile and Satellite Orbits
This activity introduces gravity and Kepler's Laws and helps to develop an understanding of gravitational force, satellite orbits, and their dependence on the initial velocity.
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...
ABCya
Ab Cya: Magic Pen: A Physics Based Game
A challenging game of physics for students to enjoy. Test gravity and patience by adding parts to the illustration to move a ball along to the flag.
Science Bob Pflugfelder
Science Bob: The Lincoln High Dive
Instructions for a science demonstration of Newton's first law of motion using common supplies. Learn how to turn the demonstration into an experiment.
Physics Aviary
Physics Aviary: Practice Problems: Billy on Hill (Level 2)
Students must predict the distance traveled by a person on a sled. The person will start with potential energy due to gravity and then lose some energy on a hill. They will then lose the remaining energy on a level surface. You have to...
Khan Academy
Khan Academy: Start: How Do Computers Simulate the Motion of Virtual Particles?
In this lesson we'll explore how we use fairly simple physics to draw particles which move according to the forces we feel in the real world (such as wind & gravity).
Khan Academy
Khan Academy: Spring Forces
Creating a simulation of a bob hanging from a spring in a two-dimensional space that responds to other forces in the environment (wind, gravity, etc.)
Curated OER
Zona Land: Mechanics and Vectors
An exceptional tutorial on the topic of vectors that offers many helpful graphics, some of which are interactive.
NASA
Nasa: Vectors
This site from NASA provides an excellent tutorial on vectors and their use in physics to describe the motion of objects. Vector addition and resolution are illustrated.
NASA
Nasa: Newton's Theory of "Universal Gravitation"
This site, which is provided for by NASA, discusses the thinking which led Newton to understand universal gravitation.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Measuring the Gravitational Constant, G
A demonstration/lab idea for determining the numerical value of the universal gravitation constant using a torsion balance.
NASA
Nasa: Beginner's Guide to Aerodynamics
Includes exhaustive information and a wealth of activities pertaining to aerodynamics and the physics of flight.
Wikimedia
Wikipedia: The Black Hole
This site examines the black hole as an object in astrophysics. Delve into this comprehensive resource that covers this concept from its history, to qualitative physics, the reality of black holes, mathematical physics and more.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Masses and Springs
Use this interactive, animated lab to explore conservation of mechanical energy.
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...
CK-12 Foundation
Ck 12: Interactive Physics for High School
This digital textbook covers core physics concepts and includes interactive features, real world examples, videos, and study guides.
Exploratorium
Exploratorium: Your Age on Other Worlds
Enter your birthday and find out how old you are on the other planets in the Milky Way Galaxy. Understand why our age is different on each planet.
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...
Physics Classroom
The Physics Classroom: Mathematics of Satellite Motion
The mathematics associated with the motion of satellites is described. Equations (for period, velocity, acceleration and force) are stated, symbols described, and sample problems solved. Includes five practice problems with solutions and...
Read Works
Read Works: The Science of Fun!
[Free Registration/Login Required] An informational text about the science behind circus acts. A question sheet is available to help students build skills in reading comprehension.