TY  - BOOK
AU  - Catherall, Ed 
AU  - Smithers, Chris
TI  - Levers and ramps
SN  - 0853409161
AV  - Q164 C 
U1  - 531.8 
PY  - 1982///
CY  - East Sussex
PB  - Wayland Publishers Limited
KW  - Force
KW  - Levers
KW  - Motion
KW  - Pulleys
N1  - R
; 700
; Lexile estimate
; R
; Raz-Plus

N2  - Levers and ramps are so widely used that it is easy to take them for granted. Such everyday items as scissors, bottle-openers, wheelbarrows and seesaws are all ramps of all sizes and slopes. The experiments in this book will help to create an understanding of levers and ramps, how they work, and how we use them
ER  -