Archimedes' Lever (page 4) Archimedes and Poseidon's Magic

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Archimedes’ Lever
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Archimedes said, “Give me a lever and a place to stand and I will move the earth.”

Materials: ruler, weight, small piece of doweling, bean

STEP ONE: Place the ruler (lever) on the doweling (fulcrum), balance it so one end is on the table, the other end in the air
STEP TWO:  Place the bean on the end of the ruler that is on the table
STEP THREE: Drop the weight (force)  on the end of the ruler that is in the air

What Happened?

STEP FOUR: Move the doweling (fulcrum) Repeat step three

What Happened?
What’s Up? A lever has two parts: the lever (ruler) and the fulcrum (doweling).  Placement of the fulcrum determines how far an object will move and how much force is needed.     
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