摘要
本文从动力学的角度对旋转式投掷铅球技术进行了分析 ,认为该技术具有可增大作用力时间使铅球出手速度更快 ,双腿支撑效果更好 。
This article analyses the technique of rotationally pushing shot in dynamics,and thinks that this technique can prolong the acting time,and makes the shot having more initial velocity.Good effects can be got if two legs support.
关键词
旋转
投掷
铅球
rotation
hurl
shot
