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Homework Help: Finding the components of a Cartesian vector

  1. Aug 30, 2011 #1
    1. The problem statement, all variables and given/known data

    Picture is attached

    2. Relevant equations



    3. The attempt at a solution

    I feel like I am right and the computer is wrong, but I just wanted to check here first. I attached a picture of the problem and my answer.

    This is how I solved the problem:

    Fz=750sin(45)=530.33N
    F’=750cos(45)=530.33N
    Fx=F’cos(60)=256.165N
    Fy=F’sin(60)=-459.28N

    So my answer was: F=(256.165i-459.28j+530.33k)N and it says it's wrong. When i first submitted it, it said check signs, but i don't want to just guess at the signs because it takes off points for wrong answers, and i would like to know what I'm doing wrong.
     

    Attached Files:

  2. jcsd
  3. Aug 30, 2011 #2

    kuruman

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    Science Advisor
    Homework Helper
    Gold Member

    It looks like you calculated the components correctly. If the computer says you are wrong, maybe it expects a different format from the one you used. I think you should your instructor for clarifications.
     
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