Pulleys and Gears (Simple Machines, Heinemann)
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Book Details
Author(s)David Glover
PublisherHeinemann Library
ISBN / ASIN1403400571
ISBN-139781403400574
Sales Rank1,346,387
MarketplaceUnited States 🇺🇸
Description ▲
Introduces the principles of pulleys and gears as simple machines, using examples from everyday life.