https://www.khanacademy.org/science/ap-physics-c-mechanics/x077f5683c1428fac:linear-momentum 2026-06-30T04:10:47.863261627Z Linear momentum Relate the concepts of momentum, impulse, force, and time through graphs and calculations, and use these relationships to predict the motion of objects in a system. Apply Newton's third law to determine the conditions under which a system's momentum is conserved. Investigate how different collision types affect a system's momentum and kinetic energy. Use the concept of center of mass to simplify the analysis of a system's motion. unit