NASA
Nasa: The Rocket Motor
An online version of a book pertaining to task of launching rockets into space and subsequently navigating them through space. The first several "chapters" (pages) describe the influence of gravity on Earth and the barriers which it...
Cosmo Learning
Cosmo Learning: Introduction to Astrophysics
A collection of audio lectures from an introduction to astrophysics course taught at the University of California, Berkeley. The course discusses the solar system, stars, quantum mechanics, gravitation, and cosmology focusing on how...
Curated OER
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...
Curated OER
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...
Curated OER
Hyper Physics: Gravity
Gravity as a fundamental force is explained and an equation for universal gravitation is given.
Curated OER
Hyper Physics: Gravity
Gravity as a fundamental force is explained and an equation for universal gravitation is given.
Curated OER
Hyper Physics: Gravity
Gravity as a fundamental force is explained and an equation for universal gravitation is given.
Libre Text
Libre Text: Pressure Gradients
From high school geography class, you may remember that "air tends to flow from high pressure to low pressure". To understand why this happens, it is key to realizing that gasses (but also liquids) exert a force on their surroundings...
McREL International
Mc Rel: Whelmer #9 Learning Activity: Nickel Karate
An easy to do activity that investigates the basic theories of inertia. The activity is in lesson plan format that meets NSES standards.