TY - BOOK AU - Oxlade,Chris TI - Forces and motion T2 - Science files SN - 0750247088 (hbk.) : U1 - JN 531.1 22 PY - 2005/// CY - London PB - Hodder Wayland KW - Force and energy KW - Juvenile literature KW - Motion N1 - Formerly CIP; Previous ed.: 1999 ER -