Brinded, Alex.

Levers and pulleys / by Alex Brinded. - 24 pages : color illustrations ; 23 cm. - Making things work. . - Making things work .

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.

ISBN: 9781534529311 (pbk.) 9781534529328 (6-pack ISBN)

Subjects--Topical Terms:
Levers.
Pulleys.

Dewey Class. No.: 621.8