TY - BOOK AU - Freeman,Marcia S. TI - Push and pull T2 - Physical world set SN - 1567843182 (oversize pbk.) AV - QC127.4 .F75 1997 U1 - BE 531 FRE /I 21 PY - 1997/// CY - New York PB - Newbridge Educational Publishing KW - Force and energy KW - Juvenile literature KW - Mechanics KW - Oversize books N1 - Cover title; Includes index N2 - Simple text and photographs describe the mechanics of pushing and pulling and its applications ER -