Determine the coordinate direction angles

asked by @jankj3 • 11 months ago • Physics • 5 pts

Determine the coordinate direction angles α, β, γ of the moment created by this force about point O, assuming that the force is 22 N. enter image description here

I tried breaking the force into x and y components, then multiplying it by the cross product of the rAO distance vector, but whenever I try to find the scalar of that moment vector, the answer is a few hundred N*mm off. I don't know what I'm doing wrong. Please help

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1 answer

You have to also decompose the distance vector. It should be rAO=.2sin15i+.2cos15j. Did you do that?

answered by @juanv2 • 11 months ago