Push and pull : simple machines at work
Title:
Push and pull : simple machines at work
Summary:
Examines the lever, the wheel and axle, the pulley, the inclined plane, the screw and the wedge. Each is fully explained.
Year Published:
1990
Physical Description:
1 videocassette (22 min.) : sd., col. ; 3/4 in. ; VHS.
Subject:
Publisher:
1990 Rainbow Educational Video & Cochran ; ACCESS Network
