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Pulling a Piano up a Hill
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Pulling a Piano up a Hill
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Learn about the gears used to pull a piano up a hill.
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Authors
Infobase
BBC Worldwide Learning (Firm)
Subjects
Closed captioning.
Mechanics.
Bicycles and bicycling.
Gearing.
Simple machines.
Science and Technology, Structures and Mechanisms, Grade 4: Machines and their Mechanisms
Language
English
Series
Operation Awesome