Oxlade, Chris.

Wedges and ramps / Chris Oxlade. - 1st ed. - North Mankato, MN : Smart Apple Media, c2008. - 32 p. : col. ill. ; 28 cm. - Simple machines .

Includes index.

ISBN: 9781599200866

LCCN: 2007004881

Subjects--Topical Terms:
Simple machines.
Inclined planes.
Wedges.

LC Class. No.: TJ147 / .O88 2008

Dewey Class. No.: 621.8