by Brinded, Alex.
[ 01. English Non Fiction ] Series: Making things work. Physical details: 24 pages : color illustrations ; 23 cm. Subject(s): Levers. | Pulleys.
Item type :
01. English Non Fiction
| Location | Call Number | Status | Date Due |
|---|---|---|---|
| LM Montgomery Elementary School | 621.8 BRI | Available |
Includes index.
Working hard -- What is a pulley? -- Motorized pulleys -- Cranes -- Pulling tight -- Conveyor belts -- What is a lever? -- Seesaws -- Levers as tools -- Door handles -- Levers as brakes -- Glossary and index.
Explains how levers and pulleys make pulling and lifting easier and how they can be found in everyday objects, including cranes, conveyer belts, and seesaws.