Simple Machines

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Simple Machines
Simple machines in the real world.
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Machine Tools we use to make work easier.
Machines allow us to use less force.
Types of machines
Levers Screws Wedge Pulley Inclined Plane
Wheel and Axle
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Lets Review First!!!
Pulley A grooved wheel
with a rope running through the groove
Inclined Plane A slanting surface
Screw An inclined plane
wrapped around a cylinder
Lever A rod or board that
pivots at one end
Wedge Has a slanting side ending in a
sharp edge
Wheel and Axle A wheel with a rod or axle through
center
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But can you recognize simple machines in the real
world?
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Lever
Wheel Axle
Wedge
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Pulley
Wheel and Axle
Screw
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Lever
Pulley
Screw
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Inclined Plane
Lever
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Lever
Wheel Axle
Screw
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Wheel Axle
Lever
Screw
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Pulleys
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Wedges
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Lever
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Inclined Planes
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Levers
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Now its your turn! Can you name all six simple
machines from memory?

• Lever

• Wheel Axle

• Screw

• Wedge

• Inclined Plane

• Pulley

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Examples of construction sites
Be careful. You will see complex machines in
some of these.
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Look beyond the motors. Remember, you can only
use simple machines!