The Nature of Motion

Introduction This lesson introduces the basics of motion and the application of simple physical principles and basic vector math to problems involving moving bodies. It…

Friction and Types of Motion

This lesson discusses different types of motion. Then, it examines uniform circular (rotational) motion and centripetal acceleration. It also introduces the concept of friction and…

Electricity and Magnetism

This lesson reviews the nature and relationship of electricity and magnetism and how these forces enable many modern technologies. Electric Forces and Fields Objects that…

Kinetic Energy

This lesson introduces the concept of mechanical energy as the sum of kinetic energy and potential energy. The lesson also examines objects in motion and…

Waves and Sound

This lesson reviews a simple model of the atom and its role in the materials of everyday life. It then discusses waves in general and…