Using Pulleys and Gears (Machines Inside Machines)
| Author | : | |
| Rating | : | 4.70 (808 Votes) |
| Asin | : | 1410914453 |
| Format Type | : | paperback |
| Number of Pages | : | 32 Pages |
| Publish Date | : | 2013-09-12 |
| Language | : | English |
DESCRIPTION:
. About the Author Wendy Sadler is a Heinemann-Raintree author
. Wendy Sadler is a Heinemann-Raintree author
They are usually used to help you lift things up. Pulleys are simple machines that use a wheel, an axle and some rope or string. Find out all about this simple machine in this title.