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Finding the angle of the resultant using a force triangle

  1. Dec 4, 2016 #1
    1. The problem statement, all variables and given/known data
    so the problem asks for the angle of the resultant formed by two forces. My first attempt was wrong and i understand what i did wrong. but i am not sure how my teacher got 9.7 degrees. i will show a link with the picture. The lower left part of the paper was my last attempt to figure it out using the force triangle method.
    https://postimg.org/image/f81g90t7l/

    2. Relevant equations
    i have some equations on my paper.



    3. The attempt at a solution
    i tried to cheat by using triginometry to find the angle, and i did get 9.7 as well. I used the components to draw the resultant on a coordinate plane in the second quadrant, and i moved the two vectors to form a force triangle, lower left part of my paper. help!!
     
  2. jcsd
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