Raising a bag of toys
pulleys vs. inclined plane
"Is it easier to lift a bag full of toys with an inclined plane or a pulley? Readers will see how a group of kids compares two simple machines and decides which one does a better job."--Provided by Publisher.
Lerner Publications
2016
9781467780247
book
Holdings
| hid | mid | miid | nid | wid | location_code | location | barcode | callnum | dewey | created | updated |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1025791 | 4723800 | 2145 | 616010 | 813094 | VCP | 434 | VCP4005396 | 621.8 SCH | 621.8 | 1580216172 | 1695044385 |
| 3136725 | 6573167 | 1564 | 616010 | 813094 | 10 | 153 | T 1020620 | 621.8 SCH | 621.8 | 1640729255 | 1640729255 |
| 3490967 | 6862734 | 1598 | 616010 | 813094 | 4 | 523 | T 42557 | 621.8 SCH | 621.8 | 1640729255 | 1640729255 |