Notes from the Physics Teaching Lab: A Magneto-Mechanical Harmonic Oscillator
Fuente:
arXiv
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866918417744789504 |
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| author | Libbrecht, Kenneth G. |
| author_facet | Libbrecht, Kenneth G. |
| contents | We describe a magnetically driven torsional oscillator that is well suited for teaching the physics of simple harmonic motion using a collection of hands-on, quantitative experiments. The mechanical Q of the system can be tuned using eddy-current damping, while optical read-outs provide electronic signals than can be recorded using nothing more than a basic digital oscilloscope. The 40-Hz oscillator is described by simple harmonic motion to high accuracy, providing many satisfying comparisons between theory and experiment. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_28647 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Notes from the Physics Teaching Lab: A Magneto-Mechanical Harmonic Oscillator Libbrecht, Kenneth G. Physics Education We describe a magnetically driven torsional oscillator that is well suited for teaching the physics of simple harmonic motion using a collection of hands-on, quantitative experiments. The mechanical Q of the system can be tuned using eddy-current damping, while optical read-outs provide electronic signals than can be recorded using nothing more than a basic digital oscilloscope. The 40-Hz oscillator is described by simple harmonic motion to high accuracy, providing many satisfying comparisons between theory and experiment. |
| title | Notes from the Physics Teaching Lab: A Magneto-Mechanical Harmonic Oscillator |
| topic | Physics Education |
| url | https://arxiv.org/abs/2603.28647 |