789601
9780753453483
Forces and Motion explores gravity, friction, centrifugal force, and the underlying laws of physics that help machines work. Simple machines such as levers and pulleys, floating and sinking, springs, elastic, and flying machines are all investigated in fun, hands-on experiments that make it easy for anyone to become a rocket scientist!Graham, John is the author of 'Forces and Motion', published 2001 under ISBN 9780753453483 and ISBN 0753453487.
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