Newton's Cradle

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The Newton's Cradle is an intriguing physics demonstration that showcases the law of conservation of momentum and energy. It consists of a series of equally spaced spheres suspended from a bar, with one sphere on one end typically set in motion by striking it. Upon contact, the striking sphere is brought to a halt while the other spheres continue their swinging motion. The key principle here is that the total momentum and kinetic energy of the system remains constant before and after the collision.