A story with twists and turns: How to control the rotation of the notched stick
Fuente:
arXiv
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| Auteurs principaux: | , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866916510699618304 |
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| author | Luttmann, Martin Luttmann, Michel |
| author_facet | Luttmann, Martin Luttmann, Michel |
| contents | The notched stick, also known as the Gee-Haw-Whammy-Diddle, is a wooden toy able to convert linear vibration into rotational motion, whose behavior has been intriguing both children and physicists for decades. Here we derive an analytical model of the system, supported by experimental results. We predict the direction of rotation, and explain why the device is so easy to operate, even without fine control of the various parameters. The potential importance of the vertical displacement of the finger exerting the perturbation force is also highlighted. We finally discuss similarities between the mechanical system described here and the optical effect of birefringence. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_04891 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | A story with twists and turns: How to control the rotation of the notched stick Luttmann, Martin Luttmann, Michel Physics Education Classical Physics Popular Physics The notched stick, also known as the Gee-Haw-Whammy-Diddle, is a wooden toy able to convert linear vibration into rotational motion, whose behavior has been intriguing both children and physicists for decades. Here we derive an analytical model of the system, supported by experimental results. We predict the direction of rotation, and explain why the device is so easy to operate, even without fine control of the various parameters. The potential importance of the vertical displacement of the finger exerting the perturbation force is also highlighted. We finally discuss similarities between the mechanical system described here and the optical effect of birefringence. |
| title | A story with twists and turns: How to control the rotation of the notched stick |
| topic | Physics Education Classical Physics Popular Physics |
| url | https://arxiv.org/abs/2412.04891 |