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Statics (

  1. Jan 10, 2010 #1
    1. If the resultant force acting on the hook is FR = <-180, 810, 180> what is the magnitude of F?



    2. So basically i got F1 which is <240,416,-360> and subtracted this from FR and got vector F2 then i took the square of the components and square rooted getting 789lb. Why is this wrong? what am i doing wrong?



    3. Please tell me why i got the wrong answer it should be right
     

    Attached Files:

  2. jcsd
  3. Jan 10, 2010 #2

    tiny-tim

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    Hi Luongo! :smile:

    I get 789 also. :redface:

    (Are you sure it's 810 for FRy? It doesn't look like that in the diagram)
     
  4. Jan 10, 2010 #3



    Tell us how'd you get F1_x and F1_y!? :rolleyes:
     
  5. Jan 10, 2010 #4

    to get those two i got F' which is the angle perp to the F1_z component then used that as a coefficient
     
  6. Jan 10, 2010 #5

    Yes it's right, i got the units wrong...? DAMN MASTERING PHYSICS!!! crap... lol
     
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