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Levers

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Description

Levers are simple machines that make work easier. There are three different classes of levers. Students will learn what levers are, how the classes of levers differ, and how the construction of levers makes work easier.

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Product Details

  • Aug 1, 2009 Pub Date:
  • 162617475X ISBN-10:
  • 9781626174757 ISBN-13:
  • English Language
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