Pulleys
Lift a variety of heavy objects (armchair, safe, piano) using pulleys and a rope. Systems of one, two, four, or six pulleys can be used. Up to six people can be used to pull on the rope, which adds force (effort).
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Pulleys
Lift a variety of heavy objects (armchair, safe, piano) using pulleys and a rope. Systems of one, two, four, or six pulleys can be used. Up to six people can be used to pull on the rope, which adds force (effort).
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LEARNING OBJECTIVES:
- Describe the parts of a pulley.
- Demonstrate that adding pulleys decreases the effort needed to lift a given load.
- Find the mechanical advantage of a pulley system.
- Observe how pulleys multiply the effort force.
- Determine how much effort is required to lift a load with a given pulley system. (Extension)
VOCABULARY:
- effort, load, mechanical advantage, pulley, pulley system
LESSON MATERIALS:
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User Recommendations (5):
Great supplement to the FOSS unit on Levers and Pulleys!
Recommended for: Math 6Gizmo User from Illinois