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What do flagpoles and some window blinds have in common? They use pulleys to perform work! Pulleys are simple machines. They help us to do jobs more easily. But don’t take our word for it. Put pulleys to the test with the fun experiments you’ll find in this book. As part of the Searchlight Books(TM) collection, this series sheds light on a key science question-How Do Simple Machines Work? Hands-on experiments, interesting photos, and useful diagrams will help you find the answer!
€58.07
भाषा अंग्रेज़ी ● स्वरूप PDF ● ISBN 9780761380085 ● प्रकाशक Lerner Publishing Group ● प्रकाशित 2011 ● डाउनलोड करने योग्य 3 बार ● मुद्रा EUR ● आईडी 4769589 ● कॉपी सुरक्षा Adobe DRM
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