by De Medeiros, James,
[ ] Series: Simple machines Published by : AV2 by Weigl, (New York :) Physical details: 24 p. : col. ill. ; 26 cm. Subject(s): Pulleys --Juvenile literature. | Pulleys --sears Year : 2013| Location | Call Number | Status | Date Due |
|---|---|---|---|
| Glen Stewart Elementary School | 621.8 Dem | Available |
Provides access to enhanced content that includes audio, video, web links, quizzes, activities, and a slide show.
Includes index.
What is a pulley? -- Understanding force -- Force over distance -- How pulleys work -- Overcoming friction -- Three classes of pulleys -- Pulleys timeline -- What is a mechanical engineer? -- The two basic machines -- Seven facts about pulleys -- Pulleys brain teasers -- Science in action.
"Explains what a pulley is, how pulleys work, and includes examples of past and present uses."--Provided by publisher.