Dados os resultados de diversos estudos sobre as dificuldades e as concepções de senso comum de estudantes e professores acerca do fenômeno do atrito sólido seco, o presente trabalho busca conhecer qual a associação promovida pelos livros da 8 a série do Ensino Fundamental e do Ensino Médio entre atrito sólido e movimento. O objetivo é verificar a contribuição dada por estes livros ao modelo "estudantil" sobre o atrito e, simultaneamente, mostrar aspectos que devem ser levados em conta quando se estuda este fenômeno. As análises indicam que a abordagem escolhida pelos livros onde se inicia o estudo do atrito não favorece a formação conceitual adequada sobre o fenômeno na população alvo dos livros. SummaryAccording to the results of several studies about students and teachers difficulties and common sense conceptions concerning the phenomenon of dry solid friction, the present work intends to find which is the association between solid friction and motion promoted by high school books. The goal is to verify the contribution given by these books to the student friction model and, simultaneously, to show aspects that should be taken into account when this phenomenon is studied. The analyses indicate that the approach chosen by the books to initiate the study of friction does not collaborate to the adequate conceptual formation about the phenomenon on the books target population.
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