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, …

Khan Academy offers free, world-class education in physics, covering forces and motion topics.

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

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

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Let's explore the mysteries of light and electricity. From how light reflects, to correcting defects in our eyes. From understanding charges to lighting up cities. From Newton's prism to Faraday's generator, …

¡Bienvenido a las Lecciones de física! La física es el estudio de la materia, el movimiento, la energía y la fuerza. Aquí puedes explorar videos, artículos y ejercicios por tema. Mantenemos estas lecciones …

Bienvenue à Khan Academy ! Pour que nous puissions vous donner les bons outils, dites-nous si vous êtes un·e ...

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 …

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 high school …