What is work? You may think work is doing chores or going to a job, but you do work every time you move something from one place to another. With experiments that demonstrate these fundamental concepts, discover how you work, and how simple machines make doing work easier.
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Idioma Inglés ● Formato PDF ● ISBN 9780822504436 ● Editorial Lerner Publishing Group ● Publicado 2001 ● Descargable 3 veces ● Divisa EUR ● ID 4754241 ● Protección de copia Adobe DRM
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