Ключевые слова: action, balance, ball, ball bob, ball game, chainreaction, chrome, cohesion, concepts and ideas, connection, continuity, crashing, gravitational, gravity field, hanging, impacts, leisure game, medicine and science, metal, metallic, momentum, motion blur, movement, newton cradle, newton pendulum, newtons cradle, pendulum, physical activity, physical pressure, physics, power, reflection, rock, science, single object, sir isaac newton, stability, steel, swing, team, team spirit, touching, toy, trigger,