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Unit 6: (PS.8) Work, Force and Motion
Work, Power, and Simple Machines
Simple Machines
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What are simple machines?
A device with
few
or
no
moving parts
The purpose of simple machines is to
lower the amount of
work
needed
change
direction
or
amount
of
force
change the amount of
resistance
a combination of these
The 6 basic simple machines are
pulley
inclined plane
lever
screw
wheel
and
axle
wedge