Forces and simple machines

RICHARDS, Jon

Series: Science factory
Notes
Projects to teach you about forces and simple machines. Includes index.
Location edition Bar Code due date
Non-Fiction B004299
Dewey:621.8
ISBN:0749634359 9780749634353
pub:2000
Subjects
FORCE AND ENERGY
FRICTION
LEVERS
MACHINERY
WHEELS
GEARING
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