Simple Machines
Machine
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MachineA tool used
to make
work easier.
Simple Machine
Simple
MachineSimple tools
used to make
work easier.
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Compound Machine
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Compound
Machine- Two or
more simple
machines working
together to make
work easier.
Work
Work- A force
acting on an
object to
move it across
a distance.
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7 types of simple
machines
Inclined Plane
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• Incline Plane- A
flat surface
that is slanted
to help move
objects over a
distance.
Wedge
• Wedge- The
pointed edge of
an inclined plane.
Used to push
things apart.
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Screw
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• Screw- An
inclined
plane
wrapped
around a
cylinder.
Lever
• Lever- An
arm that
pivots (turns)
against a
fulcrum.
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Wheel and Axle
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• Wheel and AxleThe rotation of a
lever against a
point, moving an
object across a
distance. The
wheel turns the
axle.
Pulley
• Pulley- The use of
a wheel to rotate
a rope or cord.
The cord wraps
around the wheel,
and as the wheel
rotates, the rope
move in either
direction.
Quic k Tim e™ and a
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Gear
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• Gear- Two
toothed wheels
that fit
together so that
one moves the
other.