期刊
PHYSICS TEACHER
卷 57, 期 9, 页码 640-641出版社
AMER ASSN PHYSICS TEACHERS
DOI: 10.1119/1.5135800
关键词
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资金
- Universidade Federal de Mato Grosso do Sul
- CNPq
- FUNDECT
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior-Brasil (CAPES) [001]
The popularization of microcontrollers like Arduino bring new possibilities of experiments for physics laboratories. For instance, load cell sensors have been used in experiments on impulse and buoyancy. Here we propose an experimental apparatus using Arduino connected to a load cell to measure surface tension by the du Nouy method (or ring method). The load cell gives the instantaneous and the maximum force value achieved during the experiment. This apparatus is presented as a simple and low-cost option for physics laboratories.
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