4–71. Two couples act on the beam. Determine the magnitude #statics

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4–71. Two couples act on the beam. Determine the
magnitude of F so that the resultant couple moment is
450 lb # ft, counterclockwise. Where on the beam does the
resultant couple moment act?
#EngineeringMechanics #Statics #SpringForce #Equilibrium #MechanicalEngineering#Mechanics #Vectors #CrossProduct #DistributiveLaw #VectorMath #Proof #Engineering #Physics #MathProof #VectorOperations
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