Ключевые слова: ball, blue, bounce, business, collision, conservation, constant, cradle, energy, five, force, glass, global, globe, gravitation, gravity, hand, hanging, idea, infinite, kinetic, man, metal, model, momentum, monochrome, motion, movement, newton, newton cradle, office, ornament, pendulum, perpetuum, physics, reaction, science, silver, slow motion, spheres, sport, steel, string, studio shot, swing, swinging, teamwork, toy,