Levers

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Levers
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Levers

• lever consists of three parts
• 1) a fulcrum (the point about which the lever
  pivots or turns)
• 2) the load (the part you are trying to move)
• 3) the effort or force you are using to move it.
  Levers allow you to move a large load with a
  small effort.

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• Archimedes (Greek mathematician, 287 to 212 B.C.)
  said, Give me a place to stand and I will move
  the Earth, meaning that if he had a lever long
  enough, he could move the Earth by his own
  effort.

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Levers

• Work Force x Distance
• Work1 Work2
• Work1
  Work2
• Force1 x Distance1 Force2 x Distance2

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• Force1 x Distance1 Force2 x Distance2

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• Force1 x Distance1 Force2 x Distance2
• Force1 x Distance1 Distance2
• Force2