坠落(事故)
磁铁
涡流制动器
旋转(数学)
电磁感应
物理
涡流
机械
经典力学
电磁线圈
几何学
量子力学
数学
环境卫生
医学
出处
期刊:The Physics Teacher
[American Association of Physics Teachers]
日期:2021-03-31
卷期号:59 (4): 243-246
被引量:2
摘要
The stately fall of magnets through conducting pipes is a favorite classroom and laboratory activity used in teaching electromagnetic induction, Lenz’s law, eddy currents, electromagnetic braking, and even Newton’s third law.
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