[Free Registration/Login Required] Read a force scenario, and then analyze the graphs provided to gain an understanding of inertia and force. After the activity, answer three challenge questions to check for understanding.

In this interactive module students will explore what different ancient cultures believe was an explanation of the stars and planets. They will look at how the work of Nicolas Copernicus revolutionize the world of astronomy and learn how...

Is it scientifically possible to fly? In this series, creator Joy Lin tackles six superpowers and reveals just how scientifically realistic they can be to us mere mortals. [5:11]

In this tutorial, examine the effect of forces acting at angles to the horizontal, such that the force has an influence in two dimensions- horizontally and vertically.

A handy resource that gives an overview of equations and definitions pertinent to an introductory, college-level physics course, with two of its three sections focusing on motion-related topics and principles.

Assess your understanding of force, mass and acceleration and the relationship amongst the three with this interactive multiple choice quiz. Immediate feedback is offered.

Try to predict what will happen in three different bumper car collisions. For each collision, you'll be shown two possible outcomes.

A biography of the scientist that developed the theory of gravity and founded the three basic laws of motion, Isaac Newton.

Through examples and practice problems, this interactive tutorial helps students understand forces that are in a state of equilibrium with a net force of zero.

In this interactive tutorial, analyze two-body problems in which the objects are moving in different directions.

[Free Registration/Login may be required to access all resource tools.] The following tutorial helps students to understand how to apply Newton's Second Law under equilibrium conditions in two dimensions.

This site, in German, offers numerous apps that illustrate common physics principles. Apps are organized into categories: mechanics, oscillations and waves, electrodynamics, optics, thermodynamics, the theory of relativity, physics of...