JOURNAL ARTICLE

A low-cost device to demonstrate simple harmonic motion.

  • Published In: Physics Teacher, 2023, v. 61, n. 5. P. 406 1 of 3

  • Database: Academic Search Ultimate 2 of 3

  • Authored By: Zhao, Shiqi; Sun, Yongping; Zhang, Wei 3 of 3

Abstract

The article focuses on a method to construct a simple harmonic vibration demonstration device using low-cost materials sourced from household items, recycled waste, and children's toys. The device employs components such as a toy motor, laser diode, clamps, scrap foam, a dry battery case, a saw blade, and a homemade four-sided mirror to visualize harmonic vibrations through laser light reflection. By manually vibrating the saw blade-mounted mirror, the device projects sinusoidal light patterns that illustrate the relationship between vibration amplitude and applied force. This approach promotes hands-on physics learning with accessible materials, enhancing student engagement and understanding of harmonic motion principles.

Additional Information

  • Source:Physics Teacher. 2023/05, Vol. 61, Issue 5, p406
  • Document Type:Article
  • Subject Area:Science
  • Publication Date:2023
  • ISSN:0031-921X
  • DOI:10.1119/5.0128982
  • Accession Number:164009884
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