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Motion Close-up

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Changing Direction
滿額折
出版日:2014/02/28 作者:Paula Smith  出版社:Crabtree Pub Co  裝訂:平裝
Describes how different energy forces can cause objects in motion to change direction.
優惠價: 1 403
無庫存
Pushing and Pulling
滿額折
出版日:2014/02/28 作者:Paula Smith  出版社:Crabtree Pub Co  裝訂:平裝
Introduces the differences between pushing and pulling, and explains how energy is related to the two motions.
優惠價: 1 403
無庫存
Speeding Up, Slowing Down
滿額折
出版日:2014/02/28 作者:Paula Smith  出版社:Crabtree Pub Co  裝訂:平裝
Introduces the concept of speed, including how friction affects velocity, and why friction is important.
優惠價: 1 403
無庫存
What Is Motion?
滿額折
出版日:2014/02/28 作者:Paula Smith  出版社:Crabtree Pub Co  裝訂:平裝
Introduces motion, including how things move, what forces cause them to move, and the difference between contact and non-contact forces.
優惠價: 1 403
無庫存
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