Determine the moment of this force about point A and B

The pipe assembly is subjected to the force of
F = {600i + 800j - 500k} N. Determine the moment of
this force about point A.

The pipe assembly is subjected to the force of
F = {600i + 800j - 500k} N. Determine the moment of

[robertbruner]

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[kobe]

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[stuartguevara]

I know this video is from 2016, but man, your videos are being a big help for my statics course

[ghankumaridevi]

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[syedisamuddin]

I have this exact question for a statics assignment. Thank you very much.

[celticwind]

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[caleb]

How would we find the X, Y, and Z components of the Moment on A? Isn't it the position vector dotted with the force vector?

[Alhussainba]

The only thing I don't understand, when doing cross product AC×F, why do we start with AC? Do we always start with the distance then the force? I once stacked them the opposite way F×AC and I got the same results but opposite signs, so their must be a rule which to put first