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Experimental cognition of quality newtons cradle balance balls
quality newtons cradle balance balls, also known as Newton's cradle, is composed of several small balls suspended on the frame, and there should be no gap between the small balls, just in contact. Because the various collision phenomena demonstrated by Newton’s cradle are derived from the basic principles of Newtonian mechanics (momentum conservation, kinetic energy theorem, etc.), and because the balls in Newton’s cradle sway after collision, it looks like a baby’s cradle is swinging, so we put this experiment The prop has an interesting name called Newton's Cradle.
quality newtons cradle balance balls are a series of elastic collisions, including inelastic collisions and momentum. Since there is no other force in the collision V the momentum of the ball affecting the velocity of the mass m on the left must be transferred to the ball at rest on the right. The ball of mass m on the right has the same momentum after being collided. The collided balls all have a velocity V to the right and have a tendency to move to the right, which is called energy conservation. The energy before and after the collision must be the same, and the vibration motion of the ball is ignored here.