Physics of the String Shooter (Journal Article)
Material type:
TextSeries: American Association of Physics Teachers ,American Institute of Physics, Volume 61, Number 5Publication details: Washington , DC American Association of Physics Teachers May 2023Description: 328–330 pISSN: - 0031-921X
- 530.071
| Item type | Current library | Call number | Status | Date due | Barcode | |
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RIE BPL Library | 530.071 (Browse shelf(Opens below)) | Not for loan |
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Abstract-
The string shooter is an intriguing device that can be used to demonstrate a number of important physics concepts. It uses a pair of rotating wheels to continuously propel a closed loop of string at constant speed (see Fig. 1). Remarkably, the loop quickly reaches a stable shape, remaining suspended in the air. This surprising behavior may be viewed in a number of YouTube videos.1 Several models of the device are available commercially,2,3 at modest cost, and homemade versions are not difficult to construct.1 Advanced-level discussions of the underlying physics have recently appeared in the scientific literature.4–6 Fortunately, the fundamentals of those analyses can be cast into a form that is accessible to students of introductory-level physics. That is the aim of this paper. Conceptually, the device’s behavior can be explained by considering the forces that act on the string (interestingly, air drag plays a...
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