Forces & Simple Machines
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Book Overview
Simple machines are used to overcome forces all the time. Even our arms are lifting machines that overcome the force of gravity. This exciting book teaches readers how to make simple machines and provides them with an excellent understanding of forces, friction, pulleys and gears.
Format:Library Binding
Language:English
ISBN:1404239081
ISBN13:9781404239081
Release Date:July 2007
Publisher:PowerKids Press
Length:32 Pages
Weight:0.78 lbs.
Dimensions:0.3" x 8.8" x 11.0"
Age Range:9 to 11 years
Grade Range:Grades 4 to 6
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