Glover, David.
Ramps and wedges / [by] David Glover. - Crystal Lake, IL : Rigby Interactive Library, 1997. - 24 p. : col. ill. ; 27 cm. - Simple machines .
Includes bibliographical references and index.
Uses a variety of examples, from scissors and axes to zippers and hairpin turns, to demonstrate the power of the inclined plane and show how ramps and wedges make work and play easier.
1575720833
96017486 /AC
Simple machines--Juvenile literature.
Inclined planes--Juvenile literature.
Wedges--Juvenile literature.
Inclined planes.
Wedges.
Simple machines.
TJ147 / .G58 1997
621.8/11
Ramps and wedges / [by] David Glover. - Crystal Lake, IL : Rigby Interactive Library, 1997. - 24 p. : col. ill. ; 27 cm. - Simple machines .
Includes bibliographical references and index.
Uses a variety of examples, from scissors and axes to zippers and hairpin turns, to demonstrate the power of the inclined plane and show how ramps and wedges make work and play easier.
1575720833
96017486 /AC
Simple machines--Juvenile literature.
Inclined planes--Juvenile literature.
Wedges--Juvenile literature.
Inclined planes.
Wedges.
Simple machines.
TJ147 / .G58 1997
621.8/11