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 …

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.

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 …

"Calculus is the mathematical study of change, in the same way that geometry is the study of shape and algebra is the study of operations and their application to solving equations."

Physics uses simple yet elegant math to describe complex phenomena, from galaxies to biological systems. It's about understanding and predicting the universe's complexity based on …

It is now time to dive deeper into the world of physics with topics from class 12 (NCERT) such as electrostatics, electricity, magnetism, electromagnetic induction, and electromagnetic waves. …

I am planning to self-study because my school does not offer either Mech or E&M calculus-based physics classes, only AP Physics 1 and 2 (algebra based) and I would like to be as prepared …

Thermodynamics is the study of thermal energy and its movement from one place or form to another. Conservation of energy is a principle that informs the field of thermodynamics, along …

In 1893, Marie took an exam to get her degree in physics, a branch of science that studies natural laws, and passed, with the highest marks in her class. She was the first woman to earn a …