Three men are trying to move a wardrobe. One pushes northward with a force of 100N; the second pushes eastward with a force of 173N; the third pushes in a direction 60 degrees west of south with a force of 200N. What is the resultant force on the wardrobe and it's direction?

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  1. north at 100N = (0,100)
    east at 173N = (173,0)
    S60°W at 200N = (-173,-100)

    add them up to get (0,0)

    Extra credit --
    Q: what are the names of the men?
    A: Larry, Moe, Curly!

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