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anonymous

  • one year ago

In the graph (I will draw inside!) which machine has the greatest mechanical advantage? machine A, machine B, machine C, or machine D ? :/

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  1. anonymous
    • one year ago
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    |dw:1433088942104:dw|

  2. Michele_Laino
    • one year ago
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    how are defined F_v and F_e?

  3. anonymous
    • one year ago
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    they are not defined :( just F_r and F_e (sorry that was messy too!!)

  4. Michele_Laino
    • one year ago
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    I think that : F_r is the resistive force F_e is the lifting force or similar

  5. anonymous
    • one year ago
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    ohh ok!! :D

  6. Michele_Laino
    • one year ago
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    we have the greatest mechanical advantage, when F_r > F_e, namley I lift a great force, with minimum lifting force

  7. anonymous
    • one year ago
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    ohh so would that be machine A? :/

  8. Michele_Laino
    • one year ago
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    correct!

  9. anonymous
    • one year ago
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    yay! :) thanks!!

  10. Michele_Laino
    • one year ago
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    since we have this drawing: |dw:1433089171283:dw| If I apply the same force F_e, I lift the greatest force using machine A

  11. anonymous
    • one year ago
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    ohh okay!! makes sense!!:)

  12. Michele_Laino
    • one year ago
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    :)

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