Pulleys

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PIRA index: 1M20.10

Description

A series of pulleys demonstrate the ability to use an equal amount of force to lift several different masses.

Equipment

• system of pulleys
• masses
• force scales
• diagram of pulley arrangements

Instructions

Arrange the pulleys according to the diagram. This demonstration shows that through the use of pulleys, the same amount of force can lift a different amount of mass.

Keywords

pulley, mass, force, lift

Images & Movies

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  Figure1

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  Figure2