You push a swing. Your brother pulls a wagon. Forces are at work all around you. But what exactly is a force? And how do forces act on different objects? Read this book to find out! Learn all about matter, energy, and forces in the Exploring Physical Science series-part of the Lightning Bolt Books(TM) collection. With high-energy designs, exciting photos, and fun text, Lightning Bolt Books(TM) bring nonfiction topics to life!
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语言 英语 ● 格式 PDF ● ISBN 9780761362975 ● 出版者 Lerner Publishing Group ● 发布时间 2010 ● 下载 3 时 ● 货币 EUR ● ID 4769490 ● 复制保护 Adobe DRM
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