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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Taal Spaans ● Formaat PDF ● ISBN 9780822563112 ● Uitgeverij Lerner Publishing Group ● Gepubliceerd 2005 ● Downloadbare 3 keer ● Valuta EUR ● ID 5845960 ● Kopieerbeveiliging Adobe DRM
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