https://www.khanacademy.org/science/ap-physics-c-mechanics/x077f5683c1428fac:force-and-translational-dynamics/x077f5683c1428fac:forces-and-acceleration/a/what-is-newtons-second-law 2026-05-01T14:10:52.97313295Z Learn and try: Newton's first and second laws Learn how to predict the translational motion of objects using Newton's first and second laws. article https://www.khanacademy.org/science/ap-physics-c-mechanics/x077f5683c1428fac:force-and-translational-dynamics/x077f5683c1428fac:forces-and-acceleration/e/newton-s-2nd-and-3rd-laws 2026-06-19T17:56:42.733541135Z Applying Newton's laws Practice applying Newton's laws to scenarios involving multiple objects. April Russell exercise https://www.khanacademy.org/science/ap-physics-c-mechanics/x077f5683c1428fac:force-and-translational-dynamics/x077f5683c1428fac:forces-and-acceleration/v/forces-at-an-angle 2025-10-06T13:00:43.565068281Z Forces at an angle Forces may act on an object in more than one dimension. Such scenarios may require one or more the forces to be resolved into components. Learn how to analyze scenarios involving forces acting at different angles by first creating a free-body diagram, and then applying trigonometry and Newton’s second law. Mahesh Shenoy video https://cdn.kastatic.org/ka_thumbnails_cache/77e13432-3d5d-43e7-bada-f51605277281_1280_720_base.png Forces at an angle Forces may act on an object in more than one dimension. Such scenarios may require one or more the forces to be resolved into components. Learn how to analyze scenarios involving forces acting at different angles by first creating a free-body diagram, and then applying trigonometry and Newton’s second law. https://cdn.kastatic.org/ka-youtube-converted/W6rb-0AghZE.mp4/W6rb-0AghZE.mp4 820 Forces and acceleration https://www.khanacademy.org/science/ap-physics-c-mechanics/x077f5683c1428fac:force-and-translational-dynamics/x077f5683c1428fac:forces-and-acceleration/a/what-are-inclines 2026-05-01T14:10:52.97313295Z Learn and try: Inclines Learn how to analyze the forces acting on an object on an incline. Use your force analysis to predict the object's acceleration. article https://www.khanacademy.org/science/ap-physics-c-mechanics/x077f5683c1428fac:force-and-translational-dynamics/x077f5683c1428fac:forces-and-acceleration/e/inclined-planes-ap1 2026-06-19T17:56:42.733541135Z Forces at an angle Practice analyzing the dynamics of objects experiencing forces at an angle. exercise https://www.khanacademy.org/science/ap-physics-c-mechanics/x077f5683c1428fac:force-and-translational-dynamics/x077f5683c1428fac:forces-and-acceleration/v/two-masses-hanging-from-a-pulley 2024-11-06T15:51:57.252510189Z Analyzing systems Learn how to analyze the motion of one or more masses moving together as a system, using the example of two masses hanging from a pulley. David SantoPietro video https://cdn.kastatic.org/googleusercontent/4YFoGAjVit0rjVEGQGesh9KuN5NAaKdO5ldFFFyZf92IiunbnxdFJIHJ4DGsoOVYB4NmjiABy9dJANDGmyNE3TiCUg Analyzing systems Learn how to analyze the motion of one or more masses moving together as a system, using the example of two masses hanging from a pulley. https://cdn.kastatic.org/ka-youtube-converted/BrLbtCnrPaA.mp4/BrLbtCnrPaA.mp4 530 Forces and acceleration https://www.khanacademy.org/science/ap-physics-c-mechanics/x077f5683c1428fac:force-and-translational-dynamics/x077f5683c1428fac:forces-and-acceleration/e/applications-of-newtons-second-law 2026-06-19T17:56:42.733541135Z Analyzing systems Check your understanding in this set of free practice questions. exercise