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Pulley question

  1. Nov 18, 2004 #1
    I need help with this question (the picture is attached):
    A foot, mass of 4 kg, is suspended by a pulley system. The net traction force needs to pull straight out on the leg. What is the proper angle theta for the upper rope?
    I know that the system is frictionless so the tension in the entire rope is the force due to gravity (6 kg*9.81m/s^2) but I'm not sure what to do next.
     

    Attached Files:

  2. jcsd
  3. Nov 19, 2004 #2
    Welcome to PF senseandsanity

    Chose a pair of mutually orthogonal axes, resolve forces and write the equations.

    Cheers
    vivek
     
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