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 School Physics, …

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 …

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

Oops. Something went wrong. Please try again. Uh oh, it looks like we ran into an error. You need to refresh. If this problem persists, tell us.

Ups. Algo salió mal. Por favor inténtalo otra vez. Oh no, parece que encontramos un error. Necesitas actualiza. Si este problema persiste, avísanos.

可汗学院提供免费的物理学课程，涵盖基础概念和进阶主题，帮助学习者深入理解物理世界。

Ой! Что-то пошло не так. Пожалуйста, попробуйте повторить Ваши действия еще раз. Ой, мы кажется столкнулись с ошибкой. Вам нужно обновите страницу. Если эта проблема …

Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a …

Explore conceitos de física com vídeos e exercícios interativos na Khan Academy.

Ojej, coś poszło nie tak. Spróbuj ponownie. Ups, wystąpił błąd. Aby kontynuować, odśwież stronę. Jeśli ten problem będzie się powtarzać, powiedz nam.