Hi, what do you want to do?
Physics Classroom
The Physics Classroom: Circular and Satellite Motion: Newton's 2nd Law Revisited
In this interactive module, students use free-body diagrams, Newton's second law equation, and circular motion concepts to analyze a variety of physical situations involving the motion of objects in circles or along curved paths.
Concord Consortium
What Are the Factors That Affect How Strongly Objects Interact With Each Other?
Exploration of models of electric field to explain how charged objects interact with other objects via simulations, practice and activities. Sponsored by Concord Consortium and the CREATE for STEM Institute at Michigan State University.
Science Buddies
Science Buddies: Build a Bottle Centrifuge
In this fun activity, you will build your own simple bottle centrifuge and test how it works.
Sophia Learning
Sophia: Placement of the Center of Mass
This lesson explains why the center of mass might not lie within an object.
Khan Academy
Khan Academy: Newton's Law of Gravitation Review
Review the key concepts, equations, and skills for Newton's law of gravity, including how to find the gravitational field strength.