Pulleys : Différence entre versions
Sauter à la navigation
Sauter à la recherche
| Ligne 13 : | Ligne 13 : | ||
==Instructions== | ==Instructions== | ||
| − | Arrange the pulleys according to the diagrams. The first setup shows that through the use of pulleys, the same amount of force can lift a different amount of mass. The second setup shows that the amount of force needed to lift a mass is reduced as more pulleys are used. | + | Arrange the pulleys according to the diagrams. The first setup shows that through the use of pulleys, the same amount of force can lift a different amount of mass. The second setup shows that the amount of force needed to lift a mass is reduced as more pulleys are used. NOTE: First setup missing picture. |
==Keywords== | ==Keywords== | ||
Version du 22 juillet 2015 à 15:26
Back to 1M - Work and Energy
PIRA index: 1M20.10
Description
A series of pulleys demonstrate the ability to use an equal amount of force to lift several different masses or that the amount of force needed to lift a masses is reduced as more pulleys are used..
Equipment
- system of pulleys
- masses
- force scales
- diagrams of pulley arrangements
Instructions
Arrange the pulleys according to the diagrams. The first setup shows that through the use of pulleys, the same amount of force can lift a different amount of mass. The second setup shows that the amount of force needed to lift a mass is reduced as more pulleys are used. NOTE: First setup missing picture.
Keywords
pulley, mass, force, lift
Images & Movies
Figure1
Figure2
