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Revista mexicana de física E
versão impressa ISSN 1870-3542
Resumo
FLORES-GARCIA, S. et al. Students' difficulties with tension in massless strings. Part I. Rev. mex. fís. E [online]. 2009, vol.55, n.1, pp.21-33. ISSN 1870-3542.
Many students enrolled in the introductory mechanics courses have learning difficulties related to the concept of force in the context of tension in massless strings. One of the potential causes could be a lack of functional understanding through a traditional instruction. In this article, we show a collection of this kind of students' difficulties at the New México State University, at the Arizona State University, and at the Independent university of Ciudad Juárez in México. These difficulties were collected during an investigation conducted not only in lab sessions but also in lecture sessions. The first part of the investigation is developed in the contexts of proximity and the length of strings.
Palavras-chave : Tension; forces in strings; learning difficulties; force as a tension.