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ERIC Number: EJ913081
Record Type: Journal
Publication Date: 2011-Jan
Pages: 3
Abstractor: As Provided
Reference Count: 12
ISSN: ISSN-0031-921X
Resonance Effects in Magnetically Driven Mass-Spring Oscillations
Taylor, Ken
Physics Teacher, v49 n1 p49-51 Jan 2011
Resonance effects are among the most intriguing phenomena in physics and engineering. The classical case of a mass-spring oscillator driven at its resonant frequency is one of the earliest examples that students encounter. Perhaps the most commonly depicted method of driving the vibrating system is mechanical. An alternative approach presented in this paper describes an electromagnetic driver that is convenient to use and that provides a frequency resolution of 0.001 Hz. A common mass-spring arrangement suspended vertically with a linear array of permanent magnets located at the bottom of the system is used for illustrating the technique.
American Association of Physics Teachers. One Physics Ellipse, College Park, MD 20740. Tel: 301-209-3300; Fax: 301-209-0845; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: Teachers
Language: English
Sponsor: N/A
Authoring Institution: N/A