Pulley

Pulleys Questions

1. What is a pulley? ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ 2. What are the parts of a pulley? ____________________________________________________ ____________________________________________________ 3. What are the three types of pulleys? Describe each one. ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ 23

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4. Explain how each type of pulley works? ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ 5. Draw a picture to show the difference between each type of pulley.

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6. What is mechanical advantage? ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ 7. How can pulleys give you a mechanical advantage? ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ 8. What is the trade off between mechanical advantage and distance within pulley systems? ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ 25

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9. How can you calculate the mechanical advantage of a pulley system? ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ 10.What are the two main functions of pulley systems? Use two real life examples to support your answer. ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ 11. What is the mechanical advantage of each pulley system?

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