Determine the moment of F about the point A

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A force F having a magnitude of F = 100 N acts
along the diagonal of the parallelepiped. Determine the
moment of F about the point A, using MA = rB * F and
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Thank you for this video couldn’t have done my hw without you

lifebred
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shouldnt the K's be positive 0-(-32.08)????

ThLyricalLegend
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I think the second cross product should be -16.04i - 0.02j -32.08k

unclegoodboy
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I know you said "positive diagonals" which makes sense for i and k but for cross products shouldn't the j of the "positive diagonal" actually be negative?

MechyPaula