In the following mechanism OA 6 inch BC 4 inch and AB 2 i
     In the following mechanism OA = 6 inch, BC = 4 inch and AB = 2 inch  Write the loop closure equation indicating the unknown quantities  From the loop closure derive the equations to solve for the unknowns.  Using equations from  derive the relations to solve the unknown quantities  Using relations from  find the unknown quantities for theta = 30 degree 
  
  Solution
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