On extracting momentum from supports: the bullet in the beam problem
Fuente:
arXiv
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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| Acceso en línea: | |
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| _version_ | 1866908753146675200 |
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| author | Zheng, Xiaoyu Guo, Tianyi Palffy-Muhoray, Peter |
| author_facet | Zheng, Xiaoyu Guo, Tianyi Palffy-Muhoray, Peter |
| contents | To gain insights into momentum transfer from the supporting environment, we consider the simple problem of a bullet, fired from below, into a wooden beam resting on two supports. The resulting upward velocity of the beam strongly depends on where the bullet enters the beam; this dependence is due to upward momentum extracted by the beam from its supports. Our simple example illustrates the momentum transfer mechanism exploited in the remarkable dynamics of the chain fountain. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_04585 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | On extracting momentum from supports: the bullet in the beam problem Zheng, Xiaoyu Guo, Tianyi Palffy-Muhoray, Peter Classical Physics To gain insights into momentum transfer from the supporting environment, we consider the simple problem of a bullet, fired from below, into a wooden beam resting on two supports. The resulting upward velocity of the beam strongly depends on where the bullet enters the beam; this dependence is due to upward momentum extracted by the beam from its supports. Our simple example illustrates the momentum transfer mechanism exploited in the remarkable dynamics of the chain fountain. |
| title | On extracting momentum from supports: the bullet in the beam problem |
| topic | Classical Physics |
| url | https://arxiv.org/abs/2601.04585 |