The Eskimo Boy Who Slips from His Igloo

In the teaching of Mechanics, it is always advisable to be able to discuss Integrative and Holistic Problems in class. In this sense, we propose to analyze the classic problem of the Eskimo Child sliding down their Igloo from different perspectives, serving as a Mediated Learning Experience (MLE) an...

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Bibliographic Details
Published in:Modelling in Science Education and Learning
Main Authors: Cabral-Rosetti, Luis G., Castillo Rosas, Adriana
Format: Article in Journal/Newspaper
Language:Spanish
Published: Universitat Politècnica de València 2024
Subjects:
Online Access:http://polipapers.upv.es/index.php/MSEL/article/view/21177
https://doi.org/10.4995/msel.2024.21177
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Summary:In the teaching of Mechanics, it is always advisable to be able to discuss Integrative and Holistic Problems in class. In this sense, we propose to analyze the classic problem of the Eskimo Child sliding down their Igloo from different perspectives, serving as a Mediated Learning Experience (MLE) and using the Progressive Modeling Strategy (PMS). This problem appears in most University General Physics texts and is addressed solely with arguments of Energy Conservation. In this work, we pose and solve it using "Translational Dynamics with and without Friction," "Energy Conservation," "Work-Energy Theorem with and without Friction," "Rotational Dynamics with and without Friction," and using "Lagrangian Dynamics with and without Friction," with the intention of showing how the same problem can be solved in very different ways, helping the student to integrate their knowledge of Mechanics in a general way. En la enseñanza de la Mecánica, es siempre recomendable poder discutir en clase Problemas Integradores y Holísticos. En ese sentido proponemos analizar el clásico problema del Niño Esquimal que resbala por su Iglú desde diferentes puntos de vista, y que sirva como Experiencia de Aprendizaje Mediado (EAM) usando para ello la Estrategia de Modelización Progresiva (EMP). Dicho problema, aparece en la mayoría de los textos de Física General Universitarios y es abordado únicamente con argumentos de Conservación de Energía. En este trabajo lo planteamos y resolvemos usando la “Dinámica Traslacional con y sin Fricción”, “Conservación de Energía”, “Teorema Trabajo-Energía con y sin Fricción”, “Dinámica Rotacional con y sin Fricción” y usando la “Dinámica Lagrangiana con y sin Fricción”, con la intención de mostrar como con un mismo problema se puede resolver de muy diferentes maneras, ayudando al estudiante a integrar sus conocimientos de Mecánica de una forma general.