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Statics problem, finding the moment (torque) about a straight line
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[QUOTE="TPMF, post: 4524681, member: 489930"] Thank you SteamKing and voko. I did not realize that the position vector could be any two points, as long as they are along the line of force and the CD line. Also, thank you for pointing out my error with the unit vector, I switched the y and z values since i am use to a different orientation of the z axis. What i ended up getting was: [B]u[/B]= <0.164, 0, 0.986> [B]r[/B]= <1.5, -3, -1> [B]F[/B] <0, 800, 0> M = [B]u[/B]*([B]r[/B]×[B]F[/B]) M = 0.164(800)-0(0)+0.986(1200) M = 1314.4 lb-ft I think that is correct, but do let me know if you see a mistake. And, thank you both again. [/QUOTE]
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Statics problem, finding the moment (torque) about a straight line
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