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Torque and Rotational Equilibrium

  1. Apr 10, 2006 #1
    Hi there,

    This is my first time on this great board, I hope I can get some help!

    I've tried both of these torque and equilibrium questions, but cannot find the required variable. (I've tried summing forces in the x and y)

    Please help!


    1) Find mass

    2) Find tension and reaction force on the hinge.

    Thanks in advance to everyone.

  2. jcsd
  3. Apr 10, 2006 #2
    Try summing moments. Sum of moments at any point is equal to 0 N*m
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