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What is physics? (article) | Khan Academy
Let's think about what physics is and what topics are covered in an introductory physics course.
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 math to …
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 high school …
Introduction to high school physics (video) | Khan Academy
How can we describe and model motion? How are forces related to changes in an object's motion? How can energy be used to predict the behavior of systems? How are electricity and magnetism related, …
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
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Khan Academy offers free, world-class education in physics, covering forces and motion topics.
Forces and Newton's laws of motion | Physics archive | Khan Academy
Unit 1: Forces and Newton's laws of motion About this unit For our most up-to-date, mastery-enabled courses, check out High School Physics, AP Physics 1, and AP Physics 2!
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什么是物理学？ (文章) | 物理学简介 | 可汗学院
说实话，很难确切地定义什么是物理。首先，物理学随着我们的进步和新发现而不断变化。新理论不仅带来了新的答案。它们还产生了新的问题，从以前的物理学理论来看，这些问题甚至可能没有意义。这 …