Details
PUBLISHED
[United States] : Lerner Publishing Group : Made available through hoopla, 2002
DESCRIPTION
1 online resource
ISBN/ISSN
9780822500650 (electronic bk.) MWT11773749, 0822500655 (electronic bk.) 11773749
LANGUAGE
English
NOTES
How does a pulley work? What is it? Colorful diagrams and fun-to-do experiments help you explore the many ways this simple machine can help make work easier and faster
Mode of access: World Wide Web