Work & Simple Machines
| Use attributes for filter ! | |
| Google books | books.google.com |
|---|---|
| Originally published | 2000 |
| Authors | Jon Richards |
| Genres | Children's Non-fiction Literature |
| Date of Reg. | |
| Date of Upd. | |
| ID | 3131651 |
About Work & Simple Machines
An examination of wheels, pulleys, levers, and other simple machines looks at the physics behind them and the inventions and discoveries throughout history that have made our modern, mechanical world the place it is.
