Khan Academy | Khan Academy
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Khan Academy | Khan Academy
Explore high school physics topics including forces, motion, energy, electromagnetism, and light, from stars to subatomic particles.
Forces and motion (practice) | Khan Academy
Let's solve some problems to better understand the behavior of forces that act on objects, and their effects on motion. In the process, we will clear some common misconceptions.
可汗学院 | 可汗学院 - Khan Academy
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。
Khan Academy
Ojej, coś poszło nie tak. Spróbuj ponownie. Ups, wystąpił błąd. Aby kontynuować, odśwież stronę. Jeśli ten problem będzie się powtarzać, powiedz nam.
Khan Academy | Khan Academy
Ups. Algo salió mal. Por favor inténtalo otra vez. Oh no, parece que encontramos un error. Necesitas actualiza. Si este problema persiste, avísanos.
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 …
Khan Academy | Khan Academy
Opa. Algo deu errado. Por favor, tente novamente. Ah não, parece que ocorreu um erro. Você precisa atualizar. Se o problema persistir, fale conosco.
Академия Хана | Академия Хана - Khan Academy
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 …
Khan Academy | Khan Academy
Oups. Il y a eu un problème. S'il vous plaît, veuillez reessayer. Oups, on dirait qu'il y a eu une erreur ! Vous devez actualiser. Si le problème persiste, dites-nous.