01074nam a22002897a 4500 9484 FISKH 20260114102933.0 260114b cb ||||| |||| 00| 0 eng d 0853409161 FISKH eng FISKH FISKH Q164 C 531.8 Catherall, Ed Author Levers and ramps / Ed Catherall East Sussex : Wayland Publishers Limited , 1982 32 pages : color illustrations ; 24 cm R 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. 700 Lexile estimate R Raz-Plus Force Levers Motion Pulleys Smithers, Chris Illustrator ddc BK 0 9484 9484 0 0 ddc 0 0 NFIC 002 002 TTP Yellow 2026-01-14 0 CAT 531.8 Q164 C FIS01526 2026-01-14 10:29:30 1 2026-01-14 BK