P. Martín‐Ramos, Mário S. M. N. F. Gomes, M. Silva
{"title":"Newton's cradle: a smartphone-based video analysis approach","authors":"P. Martín‐Ramos, Mário S. M. N. F. Gomes, M. Silva","doi":"10.1145/3284179.3284195","DOIUrl":null,"url":null,"abstract":"In this paper we discuss a simple and inexpensive method to study pendular movement and head-on elastic collisions, according to the Bring-Your-Own-Device philosophy. A popular toy, the Newton's cradle, can be used to provide a pendular or a collision system, and the movements of the spheres can be tracked by video analysis, using a smartphone. We show that the conservation of momentum and kinetic energy, upon collision of two or more spheres, can be easily confirmed and that the pendular movement can be studied in detail. A more complete analysis, appropriate for undergraduate students in STEM degrees, is also suggested.","PeriodicalId":370465,"journal":{"name":"Proceedings of the Sixth International Conference on Technological Ecosystems for Enhancing Multiculturality","volume":"8 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the Sixth International Conference on Technological Ecosystems for Enhancing Multiculturality","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1145/3284179.3284195","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
In this paper we discuss a simple and inexpensive method to study pendular movement and head-on elastic collisions, according to the Bring-Your-Own-Device philosophy. A popular toy, the Newton's cradle, can be used to provide a pendular or a collision system, and the movements of the spheres can be tracked by video analysis, using a smartphone. We show that the conservation of momentum and kinetic energy, upon collision of two or more spheres, can be easily confirmed and that the pendular movement can be studied in detail. A more complete analysis, appropriate for undergraduate students in STEM degrees, is also suggested.
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