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Equilibrium problem. NEED HELP

  1. Oct 26, 2009 #1
    Heres a description of the diagram given. Block A is on a inclined plane at a degree of 30.5 degrees. Block B is hanging at the end of the incline plane. Both blocks are attached to the string with a pully up by the corner of the incline plane. here the problem:

    Block A has a mass of 7.52 kg and is on an incline of 30.5o. If the system is in equilibrium, what is the mass of Block B?

    CONFUESED please help
     
  2. jcsd
  3. Oct 26, 2009 #2

    berkeman

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    Staff: Mentor

    Welcome to the PF. Start by drawing a Free Body Diagram (FBD) of the blocks. Label all the forces, and write the equations for the sum of F = ma.
     
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