| 浅析“弧线球” |
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| 引用本文： | 丁红.浅析“弧线球”[J].柳州师专学报,2002(3). |
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| 作者姓名： | 丁红 |
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| 作者单位： | 柳州师范高等专科学校物理系 广西柳州545003 |
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| 摘 要： | 利用刚体转动有关定律及流体的伯努利方程分析了“弧线球”产生的原因 ,并得到在理想情况下足球在水平面上弧线的半径仅决定于“踢”作用力的作用点和方向 ,而与作用力的大小无关。
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| 关 键 词： | “弧线球” 轨迹 作用力 |
An Analysis of "Football Moving in a Curve |
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| DING Hong.An Analysis of "Football Moving in a Curve[J].Journal of Liuzhou Teachers College,2002(3). |
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| Authors: | DING Hong |
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| Abstract: | From the law of rigid body moving and the fluid equations, this paper provides the reasons of "football which is moving in a curve" and finds that on an ideal occasion, the semidiameter of such a football in water level is decided by the point and direction of the "kicking" force and has nothing to do with the strength of the acting force. |
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| Keywords: | football moving in a curve" track acting force |
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