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高中物理“验证动量守恒定律”的学生实验,目前通常是用两小球作弹性碰撞的方法.即用一从斜槽上滚下的小球(钢球)与放在斜槽末端小支柱上的小球(玻璃球)相碰,研究其碰撞前后的动量是否守恒.
The high school physics student experiment of “examining the law of conservation of momentum” is currently a method of elastic collision using two small balls. It uses a small ball (steel ball) rolled off the chute and placed on a small pillar at the end of the chute. The balls (glass balls) collided and studied whether the momentum before and after the collision was conserved.