DOI:
https://doi.org/10.14483/23464712.5251Published:
2008-01-01Introducción para enseñar el concepto de conservación de la energía mecánica, mecanismo biela-manivela
Introduction to teach mechanical energy conservation, giar crank mechanism
Keywords:
Simple machines, mechanic, Physics education (en).Keywords:
Maquinas simples, mecánica, enseñanza de la física. (es).Downloads
Abstract (es)
Este trabajo propone una manera de introducir el concepto de la conservación de la energía mecánica en la enseñanza de la física. Partimos del punto de vista histórico-epistemológico del concepto en torno a las llamadas “máquinas simples”. En lo que respecta a la actividad concreta se trabaja con el mecanismo biela-manivela, del cual surgen interrogantes muy interesantes, y que el estudiante puede trabajar detenida y concienzudamente; de esta manera, forma y/o modifica de una manera clara y concisa un concepto que tenga de algo o aprenda uno nuevo.
Abstract (en)
This paper proposes a strategy to introduce the concept of mechanical energy conservation in physics teaching. We start from the historical-epistemological point of view of the concept around the so-called "simple machines". With regard to the concrete activity, we work with the crank-crank mechanism, from which very interesting questions arise, and students can work carefully and conscientiously; in this way, construct new concepts or reconstruct old concepts.
References
Física Conceptos y Aplicaciones, Sexta Edición, México DF, Mc Graw Hill, 2001.
MecanESO ©2005 CEJAROSU. http://www.google.com/Bielamanivela/Excéntrica-biel/a
http://es.wikipedia.org/wiki/Mecanismo_de_biela_-_manivela
Lindsay, P. Hero de Alejandría. Excerpts from the Dynamics of
Machinery: The five Simple Machines. Pag. 64.
Alinovi, Matías. Historia de la energía. Desde las primeras ideas griegas sobre la conservación de “algo” hasta la ley de leyes, la ley más general que hoy conocemos. 1972.
Fernández, M. Cristina, González, Francisco, Ávila, Adolfo. Mecánica. Colección de Materiales Curriculares para el Bachillerato 23. ESCANDON IMPRESORES. Sevilla.
García, Antonio. UNA PROPUESTA DE SITUACIONES
PROBLEMÁTICAS EN LA ENSEÑANZA DEL PRINCIPIO DE
CONSERVACIÓN DE LA ENERGÍA. Área de Ciencias. Colegio Luisa de Marillac. Sevilla. España. Rev. Eureka. Enseñ. Divul. Cien., 2006, 3(3), pp. 496-506.
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