摘要
提出用长摆线单摆实现在准水平面内的无摩擦运动,用摄像头记录二维碰撞过程,设计了检验二维碰撞中动量守恒和机械能守恒的教学实验.
By using the camera and pendulums with long ropes,an experiment is designed for teaching conservation of momentum and mechanical energy in two-dimensional collision.
出处
《大学物理》
北大核心
2011年第5期39-42,共4页
College Physics
关键词
碰撞
动量守恒
二维碰撞
collision
conservation of momentum
two-dimensional collision
