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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Lingua Inglese ● Formato PDF ● ISBN 9780822504436 ● Casa editrice Lerner Publishing Group ● Pubblicato 2001 ● Scaricabile 3 volte ● Moneta EUR ● ID 4754241 ● Protezione dalla copia Adobe DRM
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