Cómo podemos utilizar la polea?

Descripción del libro

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

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Otros libros de David Armentrout

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This inspiring biographical series ties in with elementary history, science, and social studies curricula, providing teachers with a valuable interdisciplinary resource. With these books, young readers will discover historical figures who devoted their lives to making the world a better place, and changed the course of history. Text copyright 2004 Lectorum Publications, Inc.

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La Energía Solar (Solar Energy)

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