Physics Simple Machines by Thames & Kosmos
$14.95
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Establish a foundation in physics by building models of all six simple machines: levers, pulleys, inclined planes, screws, wedges, and wheels and axles. Assemble and use a spring scale to measure how the machines change the direction and magnitude of forces, making work easier to do.Author: Thames & KosmosPublisher: Thames & KosmosPublished: 02/15/2010Pages: 12Binding Type: OtherWeight: 0.40lbsSize: 8.30h x 5.20w x 2.20dISBN: 0814743010055Not available to be shipped via Media Mail
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