磁力:它们真的有用吗?

Sidharth Chambocheri Veetil, Hui Xiang Sim, Bernard Ricardo
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引用次数: 1

摘要

在高中和本科物理课程中,磁力通常被介绍为不能做功。在本文中,我们探讨了这一说法的真实性,分析了在各种物理场景下所做的功,包括导线在外部磁场中的弯曲,以及磁偶极子之间的相互作用。特别对表面电荷的形成和霍尔力的深入分析进行了阐述。这篇论文解决了一些关于磁力和功的误解,希望能引起学生和教育工作者的兴趣。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Magnetic Forces: Do They Really Work?
In high school and undergraduate physics, magnetic forces are often introduced as not being capable of doing work. In this paper, we explore the truth of this statement, analyzing the work done in various physical scenarios, including the bending of a wire in an external magnetic field, as well as the interaction between magnetic dipoles. In particular, the formation of surface charges and thorough analysis of the Hall force are elaborated. This paper addresses certain misconceptions regarding magnetic forces and work, and is expected to be of interest to students and educators alike.
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