Question: Problem 2 : The force F = { 4 0 0 i - 1 5 0 j - 6 0 0 k ) l b

Problem 2: The force F={400i-150j-600k)lb acts at the end of the beam. Determine the moment of this
force about points O. My plan was to let r be rOA and find the unit vector of OB, then do: Uob*(roa x F). Can you tell me if this would work?
Problem 2 : The force F = { 4 0 0 i - 1 5 0 j - 6

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