论文部分内容阅读
文章针对轻绳连接小环和球模型进行变式训练,由易及难,求解小球运动轨迹、小球速度、绳的拉力及系统作微小摆动的周期等。
The article carries on the variant training to the light rope connecting small ring and the ball model, and it is easy and hard to solve the ball trajectory, the speed of the ball, the pulling force of the rope and the period that the system makes the small swing.