TY  - BOOK
AU  - Oxlade, Chris.
TI  - Wedges and ramps
SN  - 9780749675691
U1  - 621.811 22
PY  - 2007///
CY  - London
PB  - Franklin Watts
KW  - Inclined planes
KW  - Juvenile literature
N1  - "An Appleseed Editions book."; Includes index; What is a simple machine? -- Pushes and pulls -- How wedges and ramps work -- Cutting with wedges -- Piercing with wedges -- Gripping with wedges -- Lifting with ramps -- More ramps -- Wedges and ramps in machines -- Wedges and ramps in the past -- Fun with wedges: testing a wedge -- Fun with ramps: sliding up a ramp -- Spot the wedges and ramps -- Words to remember
N2  - There are wedges and ramps all around us - from the axe used to chop wood to the special ramps used by wheelchairs. But what are wedges and ramps, and how do they work? This book answers these questions and many more. With clear text and colourful illustrations, it explains what these simple machines do and why they are so useful to us in our everyday lives
ER  -