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Simple Force Question?

  1. Oct 2, 2009 #1
    1. The problem statement, all variables and given/known data
    The tensions of the ropes acting on a 2.60 kg object are shown. Find the value of ax, the x-component of the acceleration, if T1=1.40 N, T2=2.80 N, T3=3.20 N, T4=4.70 N, and θ=12.0°? Diagram:
    http://img19.imageshack.us/img19/3733/knpic0506bnew.png [Broken]

    2. Relevant equations
    F netx = m * a
    a = F netx / m

    3. The attempt at a solution
    Well, I added the two forces in the X direction simply by doing:

    T1 * Cos θ - T3 = m*a

    a = ( T1*Cos θ - T3 )/ a

    However, I keep getting the wrong answer. Can anyone help me out? Thanks
    1. The problem statement, all variables and given/known data

    2. Relevant equations

    3. The attempt at a solution
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. Oct 2, 2009 #2

    Doc Al

    User Avatar

    Staff: Mentor

    Looks like three of those forces have x-components. What about T4?
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