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Ebook19 pages5 minutes
Levers
By Katie Marsico and Reginald Butler
Rating: 5 out of 5 stars
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About this ebook
Readers learn how this simple machine makes it easier to lift, lower, and open things. They learn the three types of levers: first-class, second-class, and third-class. By the end of the book, readers know the difference between complex and simple machines and how levers are used in everyday life to make work easier.
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Levers - Katie Marsico
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