A Pulley (How Can I Experiment With Simple Machines)
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Book Details
PublisherRourke Pub Group
ISBN / ASIN1589525957
ISBN-139781589525955
AvailabilityUsually ships in 24 hours
Sales Rank3,678,438
CategoryPaperback
MarketplaceUnited States 🇺🇸
Description ▲
Text and pictures introduce the pulley, a simple machine used primarily to lift heavy objects.