https://www.khanacademy.org/science/ap-physics-c-mechanics/x077f5683c1428fac:energy-and-momentum-of-rotating-systems/x077f5683c1428fac:rotational-kinetic-energy/v/rotational-kinetic-energy-of-rigid-systems 2026-01-24T14:40:40.494164571Z Rotational kinetic energy of rigid systems The rotational kinetic energy of a rigid system is related to the rotational inertia and angular velocity of the rigid system. The total kinetic energy of a rigid system is the sum of its rotational kinetic energy due to its rotation about its center of mass, and its translational kinetic energy due to the linear motion of its center of mass. Rotational kinetic energy is a scalar quantity. Mahesh Shenoy video https://cdn.kastatic.org/ka_thumbnails_cache/8f9e89e6-6f31-4fc2-8b1b-a17c2444fb8c_1280_720_base.png Rotational kinetic energy of rigid systems The rotational kinetic energy of a rigid system is related to the rotational inertia and angular velocity of the rigid system. The total kinetic energy of a rigid system is the sum of its rotational kinetic energy due to its rotation about its center of mass, and its translational kinetic energy due to the linear motion of its center of mass. Rotational kinetic energy is a scalar quantity. https://cdn.kastatic.org/ka-youtube-converted/pY1rwEsdCRo.mp4/pY1rwEsdCRo.mp4 758 Rotational kinetic energy https://www.khanacademy.org/science/ap-physics-c-mechanics/x077f5683c1428fac:energy-and-momentum-of-rotating-systems/x077f5683c1428fac:rotational-kinetic-energy/v/rolling-without-slipping-problems 2025-01-25T17:06:55.244856264Z Rolling without slipping Learn how to solve problems where an object rolls without slipping. David SantoPietro video https://cdn.kastatic.org/googleusercontent/Y5MQrKC5OTpYisJa5Uz_1F-gkdkssg8vzSqHvRfQdT9S7dE0zjE_QB48XAtBVk7QUTXxPoLIr1mWBRQXxbSSfUS5 Rolling without slipping Learn how to solve problems where an object rolls without slipping. https://cdn.kastatic.org/ka-youtube-converted/5eX5WnPDnvs.mp4/5eX5WnPDnvs.mp4 900 Rotational kinetic energy https://www.khanacademy.org/science/ap-physics-c-mechanics/x077f5683c1428fac:energy-and-momentum-of-rotating-systems/x077f5683c1428fac:rotational-kinetic-energy/e/rotational-kinetic-energy-exercises-ap1 2026-06-20T14:10:55.207450128Z Rotational kinetic energy and rolling Check your understanding of rotational kinetic energy and rolling in this set of free practice questions. April Russell exercise