| 重力场和正交均匀电磁场中的旋轮线(摆线) |
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| 引用本文： | 佘守宪,唐莹.重力场和正交均匀电磁场中的旋轮线(摆线)[J].物理与工程,2001,11(6). |
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| 作者姓名： | 佘守宪 唐莹 |
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| 作者单位： | 北方交通大学理学院物理系,北京,100044 |
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| 摘 要： | 用初等方法证明等时摆的摆锤所描成的曲线和最速降落曲线都是旋轮线 ;证明在正交的均匀电场与均匀磁场中运动的带电粒子的轨迹也是旋轮线 ;讨论了重力场和正交均匀电磁场中质点的运动之间的类比
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| 关 键 词： | 旋轮线 摆 等时摆 最速降落曲线 恒定电磁场 带电粒子的运动 |
CYCLOIDS IN GRAVITATIONAL FIELD AND ORTHOGONAL UNIFORM ELECTROMAGNETIC FIELD |
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| She Shouxian,Tang Ying.CYCLOIDS IN GRAVITATIONAL FIELD AND ORTHOGONAL UNIFORM ELECTROMAGNETIC FIELD[J].Physics and Engineering,2001,11(6). |
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| Authors: | She Shouxian Tang Ying |
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| Abstract: | Prove with elementary method that the curve described by an isochronous pendulum and the fastest falling curve are cycloids. Prove that the oribit of a charged particle moving in an orthogonal uniform electromagnetic field is also a cycloid. The motions of a particle in gravitational field and in orthogonal uniform electromagnetic field are compared. |
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| Keywords: | cycloid pendulum isochronous pendulum fastest falling curve steady electromagnetic field motion of a charged particle |
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