AU  - FOLKARD,NICK
TI  - UNDERSTANDING FORCES
T2  - OXFORD PRIMARY SCIENCE, KEY STAGE 2
SN  - 0199183317
U1  - 531.113/FOL 
PY  - 1994///
CY  - OXFORD
PB  - OXFORD UNIVERSITY PRESS
KW  - SCIENCE
KW  - FORCES
KW  - FRICTION
KW  - BALANCING
KW  - PRESSURE
KW  - FLOATING
ER  -