The physics archive contains legacy physics content, and is not being updated with new content. For our most up-to-date, mastery-enabled courses, check out Middle School Physics, High …

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 …

Welcome to AP®︎/College Physics 1! In AP Physics 1, you'll learn algebra-based classical mechanics. To make sure you’re prepared with the fundamentals, we recommend completing …

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

In this high school physics course, we'll answer all these questions and many more. Physics is the science of building models to explain how the universe works.

From the tiniest grains of sand to the biggest stars in our cosmos. But, they defy Newton's laws. To understand them, we need a new set of principles called quantum mechanics which we …

Learn physics using videos, articles, and NGSS-aligned practice exercises. Explore the fundamentals of motion and forces, non-contact interactions, energy, and waves.

If you’ve mastered this content and want to explore physics at the next level, we recommend our AP Physics 1 and AP Physics 2 courses. Give us feedback on this course

in our daily life this term called work is very loosely defined for example me recording this video right now I could say I am working but my brother could look at me and say hey no he's just …

Learn physics using videos, articles, and NGSS-aligned practice exercises. Explore the fundamentals of motion and forces, non-contact interactions, energy, and waves.