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  1. Physics archive | Science | Khan Academy

    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 …

  2. Introduction to physics (video) | Khan Academy

    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 …

  3. Forces and motion (practice) | Khan Academy

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

  4. Fresh Updates to Khan Academy’s Physics Courses Bring More …

    Aug 18, 2025 · Explore Khan Academy’s updated AP Physics 1 and NGSS-aligned Middle School Physics courses, featuring new videos, interactive practice, and hands-on activities to support …

  5. AP®︎/College Physics 1 | Science | Khan Academy

    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 …

  6. High school physics | Science | Khan Academy

    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

  7. SHS Physical Science - Khan Academy

    Unit 2: 4th quarter: Physics Unit mastery: 0% Evolving models of the universe Universal Laws of Physics: From Aristotle to Newton's Laws Light as a wave and a particle Understanding the …

  8. High school physics (DEPRECATED) - Science | Khan Academy

    This course has been deprecated. We recommend exploring our improved High School Physics, AP Physics 1, and AP Physics 2 courses instead.

  9. Electric potential, voltage (article) | Khan Academy

    In the physics sense, you are doing no work on the book. However, even if you don't have a book in your hand, if you twist side to side, your muscles get warm and you release energy.

  10. Science | Khan Academy

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