| 其他書名 | Balanced and unbalanced forces |
| 文獻類型 | BOOK |
| 語言 | English |
| 分類號 | 531.6 WIN |
| 出版 | Teacher Created Materials, Huntington Beach, CA, 2015 |
| 主題 | Forces and energy -- Juvenile literature. |
| 題目 | Energy conversion -- Juvenile literature. |
| 描述 | 32 p. ;col. ill. ;23 cm. |
| ISBN | 9781480746466 |