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anonymous

  • one year ago

A forklift exerts an upward force of 2.00 * 10^3 N on a box as it moves the box 4.00 m forward. How much work does the forklift do in the upward direction? A. 0.00 J B. 500 J C. 1.50 * 10^3 J D. 4.50 * 10^3 J

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  1. rvc
    • one year ago
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    W= f x displacement

  2. Michele_Laino
    • one year ago
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    correct! @rvc

  3. rvc
    • one year ago
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    2 X 10^3 X 9.8 X 4

  4. anonymous
    • one year ago
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    ok! we get 78400 ?

  5. rvc
    • one year ago
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    @Michele_Laino right?

  6. Michele_Laino
    • one year ago
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    I think that gravity is not necessary, since F=2000 N is already a force

  7. anonymous
    • one year ago
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    but that is not a solution choice ?

  8. anonymous
    • one year ago
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    so what should we do?

  9. rvc
    • one year ago
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    Please help

  10. Michele_Laino
    • one year ago
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    Sorry, since I have made an error, the situation described by your exercise is: |dw:1434868505886:dw|

  11. anonymous
    • one year ago
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    ok!

  12. Michele_Laino
    • one year ago
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    so the requested work is: W= f*0=0 since no distance change along the vertical direction occured

  13. anonymous
    • one year ago
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    oh so 0.00 J is our solution?

  14. Michele_Laino
    • one year ago
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    yes! correct!

  15. anonymous
    • one year ago
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    ohh yay! thanks!

  16. Michele_Laino
    • one year ago
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    :)

  17. rvc
    • one year ago
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    im bad lol

  18. Michele_Laino
    • one year ago
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    no worries!! :) @rvc

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