Sadler, Wendy.

Using levers / Wendy Sadler. - Chicago, Ill : Raintree, c2005. - 32 p. : col. ill. ; 28 cm. - Raintree perspectives . - Machines inside machines . - Sadler, Wendy. Machines inside machines. .

Includes bibliographical references (p. 30) and index.

An introduction to levers as simple machines. Coverage includes the definition of a first class lever, how a seesaw uses levers and levers in the human body.

ISBN: 1410914429 (lib. bdg.) 1410914496 (pbk.)

Standard No.: 9781410914422

LCCN: 2005544505

Subjects--Topical Terms:
Levers.

LC Class. No.: TJ147 / .S23 2005 TJ 147 / .S3 2005

Dewey Class. No.: 621.8