UIUC Physics
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Demo # 216

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Lever, Fulcrum, and Weight

ID # 216

Description:

A longer lever arm allows for a larger torque. In this way, a fulcrum and a lever are used to make it easier to lift a heavy weight.

Picture of Lever, Fulcrum, and Weight

Physics Concept:

  • Mechanics
  • Simple Machines
  • Lever & Fulcrum

The demonstration takes about 1 minute to perform.

Dept. of Physics, Univ. of Illinois at Urbana-Champaign, 1996.