https://www.khanacademy.org/science/in-in-class11th-physics/in-in-class11th-physics-work-energy-and-power/in-in-class11-kinetic-energy-ap/e/kinetic-energy-exercises-ap1 2025-02-17T09:04:27.796626334Z Using the kinetic energy equation Practice using the equation for kinetic energy to find mass, velocity, and kinetic energy.  April Russell exercise https://www.khanacademy.org/science/grade-11-physics-snc-aligned/x1d0fed5276339e80:work-and-energy/x1d0fed5276339e80:derivation-of-kinetic-energy-using-equations-of-motion/v/introduction-to-work-and-energy 2023-09-10T17:11:17.624018169Z Introduction to work and energy Explore the physics concepts of work and energy. Understand work as energy transferred by force, and kinetic energy as the work needed to accelerate an object. Learn how to calculate work and kinetic energy using formulas, and get introduced to the law of conservation of energy. Sal Khan video https://cdn.kastatic.org/googleusercontent/VEz6Kc_1h-4yK6PXi14-5Ckyc73JlCcn4HdHJrE8kiLQbfdv8DYjj3_Yw0ynPHDg8Tl43nGr8pJXFEhcrU_rnRXY Introduction to work and energy Explore the physics concepts of work and energy. Understand work as energy transferred by force, and kinetic energy as the work needed to accelerate an object. Learn how to calculate work and kinetic energy using formulas, and get introduced to the law of conservation of energy. https://cdn.kastatic.org/ka-youtube-converted/2WS1sG9fhOk.mp4/2WS1sG9fhOk.mp4 558 Derivation of kinetic energy using equations of motion https://www.khanacademy.org/science/grade-11-physics-snc-aligned/x1d0fed5276339e80:work-and-energy/x1d0fed5276339e80:derivation-of-kinetic-energy-using-equations-of-motion/e/work-and-energy-questions 2025-04-14T22:34:53.782134477Z Work and energy questions Questions pertaining to work and energy Sze Yan exercise https://www.khanacademy.org/science/grade-11-physics-snc-aligned/x1d0fed5276339e80:work-and-energy/x1d0fed5276339e80:derivation-of-kinetic-energy-using-equations-of-motion/v/work-and-energy-part-2 2023-09-10T17:11:17.624018169Z Work and energy (part 2) Continue to explore the relationship between work and kinetic energy, seeing how applying force to an object over a distance generates kinetic energy. You'll also be introduced to the concept of potential energy, seeing how work done to lift an object creates gravitational potential energy. Finally, you'll get a hint towards the law of conservation of energy. Sal Khan video https://cdn.kastatic.org/googleusercontent/9m2O1M1fnJ3iNYlMRl-zXYSWTaKTo20_TtdaxGWJoJASgNJRAqI6BqFGEAXKO4X_mCOGEM9a7F_JNTWNPbDtSRjH Work and energy (part 2) Continue to explore the relationship between work and kinetic energy, seeing how applying force to an object over a distance generates kinetic energy. You'll also be introduced to the concept of potential energy, seeing how work done to lift an object creates gravitational potential energy. Finally, you'll get a hint towards the law of conservation of energy. https://cdn.kastatic.org/ka-youtube-converted/3mier94pbnU.mp4/3mier94pbnU.mp4 591 Derivation of kinetic energy using equations of motion https://www.khanacademy.org/science/grade-11-physics-snc-aligned/x1d0fed5276339e80:work-and-energy/x1d0fed5276339e80:derivation-of-kinetic-energy-using-equations-of-motion/a/work-can-be-negative 2021-05-25T21:59:57Z Work can be negative! article https://www.khanacademy.org/science/physics/work-and-energy/work-and-energy-tutorial/v/work-as-the-transfer-of-energy 2022-11-16T04:22:43.7414897Z Work as the transfer of energy Learn how to calculate work as the way that forces transfer energy to and from objects. See two ways to calculate the amount of work done on an object - the formula Fd cosine theta, and the method of calculating the amount of energy an object gains or loses by examining several examples. David SantoPietro video https://cdn.kastatic.org/googleusercontent/n1gxAmtm5_zrZn8RQmRP2PLsxy3e8tKvR6pl2j4aZA9-_RdCdk1j8P80AlyL5p54NyUUYHeZj56LDrILZ4vPyV-32g Work as the transfer of energy Learn how to calculate work as the way that forces transfer energy to and from objects. See two ways to calculate the amount of work done on an object - the formula Fd cosine theta, and the method of calculating the amount of energy an object gains or loses by examining several examples. https://cdn.kastatic.org/ka-youtube-converted/sZG-zHkGR4U.mp4/sZG-zHkGR4U.mp4 197 Derivation of kinetic energy using equations of motion https://www.khanacademy.org/science/in-in-class11th-physics/in-in-class11th-physics-work-energy-and-power/in-in-class11-work-energy-theorem/e/work-energy-theorem-exercises-ap1 2026-03-25T13:20:47.939559562Z Calculating change in kinetic energy from a force Find the change in kinetic energy from a force using the work energy theorem. April Russell exercise