论文部分内容阅读
2012年7月27日,第30届奥林匹克运动会在英国伦敦举行,伴随着运动健儿在赛场上的奋力拼搏,我们的心情起伏跌宕.我们为运动员加油,为中国奥运健儿取得的优异成绩喝彩!在观看比赛时,你有没有想过,很多运动中蕴涵着物理原理呢!速度在奥运体育项目中的应用物理学里,速度是用来反映物体运动快慢的物理量.运动场上的许多运动都有一个速度快慢的问题.例如田径运动中所有的径赛及皮划艇和游泳比赛等,都是在相同的路程中,以计时的多少来确定运动员的快慢和比赛成绩的,即计时员根据跑或游相同的路程所用的时间长短来决定快慢.还有各种球类运动中的
On July 27th, 2012, the 30th Olympic Games was held in London, England. With the hard work of sportsmen and athletes, our mood fluctuates and ups and downs. We cheer for athletes and applaud the achievements of the Chinese Olympic athletes! When you watch the game, have you ever wondered whether many sports contain physical principles! Speed In applied physics in Olympic sports, speed is a physical quantity used to reflect the speed of movement of an object. Many sports on sports fields have a The speed problem. For example, all track events and kayaking and swimming competitions in track and field are all based on the same distance. The time and pace determine the speed and performance of the athletes. The length of time spent in the same journey determines the speed. There are various kinds of ball games.