用跟踪器将简谐运动和匀速圆周运动联系起来

Q4 Social Sciences
E. Pratidhina, F. Yuliani, W. S. B. Dwandaru
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引用次数: 1

摘要

在这项研究中,我们通过一个简单的实验证明了简谐运动和均匀圆周运动之间的有趣关系。这个实验需要低成本——容易找到的材料和免费软件Tracker。为了表示匀速圆周运动,我们用胶带粘在以恒定角速度运动的风扇上。同时,用弹簧运动和钟摆运动来表示简谐运动。通过视频跟踪分析,我们发现物体的位置(x坐标和y坐标)与时间的正弦函数一致,呈匀速圆周运动,与简谐运动相同。这个简单的实验可以用在高中物理课程中,引导学生用较少的数学方法来发展对匀速圆周运动的概念理解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Relating simple harmonic motion and uniform circular motion with Tracker
In this study, we demonstrate an interesting relationship between simple harmonic motion and uniform circular motion trough a simple experiment. The experiment requires a low cost-easily found materials and free software, Tracker . To represent uniform circular motion, we use a tape that is stick on a fan moving with the constant angular speed. Meanwhile, spring and pendulum motion are used to represent simple harmonic motion. Through Video Tracker analysis, we have shown that the positions ( x and y coordinates) of an object undergoes uniform circular motion fit to the sinusoidal function of time, as same as shown in simple harmonic motion. This simple experiment can be used in high school physics course to lead students in developing a conceptual understanding of uniform circular motion with a less mathematical approach.
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来源期刊
Revista Mexicana De Fisica E
Revista Mexicana De Fisica E 社会科学-科学史与科学哲学
CiteScore
0.80
自引率
0.00%
发文量
14
审稿时长
>12 weeks
期刊介绍: The Revista Mexicana de Física (Rev. Mex. Fis.) publishes original papers of interest to our readers from the physical science com unity. Language may be English or Spanish, however, given the nature of our readers, English is recommended. Articles are classified as follows: Research. Articles reporting original results in physi­cal science. Instrumentation. Articles reporting original contribu­tions on design and construction of scientific instruments. They should present new instruments and techniques oriented to physical science problems solutions. They must also report measurements performed with the described instrument. Reviews. Critical surveys of specific physical science topics in which recent published information is analyzed and discussed. They should be accessible to physics graduate students and non specialists, and provide valuable bibliography to the specialist. Comments. Short papers (four pages maximum) that assess critically papers by others authors previously published in the Revista Mexicana de Física. A comment should state clearly to which paper it refers.
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