Physics the study of matter, motion, energy, and force.

Let's think about what physics is and what topics are covered in an introductory physics course.

Physics is built on a foundation of math and it seeks to explain all phenomena in the universe. It forms the basis for other sciences like chemistry and biology. Physics uses simple yet elegant math to …

AP Physics 1 is an algebra-based, introductory college-level mechanics course. In this course you'll explore the following topics: Kinematics; Forces and translational dynamics; Work, energy, and …

How can we describe and model motion? How are forces related to changes in an object's motion? How can energy be used to predict the behavior of systems? How are electricity and magnetism related, …

Explore high school physics topics including forces, motion, energy, electromagnetism, and light, from stars to subatomic particles.

Explore Khan Academy's physics library for comprehensive resources, including videos, articles, and practice to master key physics concepts.

Nuclear physics Explore how nuclei can change and emit radiation through alpha, beta, and gamma decay. Interpret half-life as the time it takes for half of sample of a radioisotope to decay. Discover …

Learn how to describe the position, velocity, speed, and acceleration of an object. Explore how motion can be represented using words, diagrams, data tables, and graphs. Distinguish between constant …

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