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Homework Help: Calculate the net torque using all the forces

  1. Oct 17, 2013 #1
    1. The problem statement, all variables and given/known data
    In the figure below, a uniform beam of length 12.0 m is supported by a horizontal cable and a hinge at angle θ = 40°. The tension in the cable is 600 N.

    2. Relevant equations

    T=F x r

    3. The attempt at a solution
    I attempted to calculate the net torque using all the forces(mg and tension), so 0=mgsin(40) - Tension.

    Attached Files:

  2. jcsd
  3. Oct 17, 2013 #2
    Nevermind got it. Used mg(l of rod/2)sin(theta)-T*lcos(theta)
  4. Oct 17, 2013 #3
    welcome to forum,
    that's an easy problem. As the body is equilibrium net torque should be zero.
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