Simple Machines Study Guide

advertisement
Name_____________________
Simple Machines Study Guide (pgs. F66-F89)
ASSIGNMENT: Make flash cards for the following words.
inclined plane
- flat surface that has one end higher than
the other
screw
- inclined plane wrapped around a pole
fulcrum
- fixed point of a lever
wheel and axle - large wheel attached to a smaller wheel or
rod
simple machines-basic machines that make up other
machines
effort force
- force you put into a simple machine
pulley
-a rope or chain and the wheel it fits around
wedge
- two inclined planes placed back-to-back
work
- result of a force moving an object through
a distance
lever
- bar that turns around a fixed point
efficiency
- how well a machine changes effort into
work
INCLINDED PLANE
SCREW
WEDGE
PULLEY
GEARS
WHEEL & AXLE
LEVER