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Math Help - Vector: Three Force Question

  1. #1
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    Vector: Three Force Question

    Sup, I'm back again

    Forces of 5 N, 2 N, and 12 N, all lying in the same plane, act on an object. The 5 N and 2 N forces lie on opposite sides of the 12 N force at angles of 40 degree and 20 degree, respectively. Find the magnitude and direction of the resultant.

    I have no clue what the diagram should look like. Is it in 3 dimensional?
    If so how would I go about solving for the magnitude and direction?
    Thanks
    Oh don't be shy to let me know if it's too hard>.<
    Last edited by narutoblaze; February 19th 2009 at 07:06 PM.
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  2. #2
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    Forces

    Hello narutoblaze
    Quote Originally Posted by narutoblaze View Post
    Sup, I'm back again

    Forces of 5 N, 2 N, and 12 N, all lying in the same plane, act on an object. The 5 N and 2 N forces lie on opposite sides of the 12 N force at angles of 40 degree and 20 degree, respectively. Find the magnitude and direction of the resultant.

    I have no clue what the diagram should look like. Is it in 3 dimensional?
    If so how would I go about solving for the magnitude and direction?
    Thanks
    Oh don't be shy to let me know if it's too hard>.<
    No, it's not 3 dimensional! I'm sure you can see why. The diagram looks like the one attached.

    Are you OK with this now?

    Grandad
    Attached Thumbnails Attached Thumbnails Vector: Three Force Question-untitled.jpg  
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