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Introductory Physics Homework Help
How Can You Correctly Calculate Forces in a Truss Analysis Problem?
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[QUOTE="lecammm, post: 4544680, member: 487247"] [h2]Homework Statement [/h2] As shown by the attachment we are given the distances and the 28kN force [h2]Homework Equations[/h2] Relevent equations are equations of equilibrium; ƩFy & ƩFx = 0; ƩM = 0; [h2]The Attempt at a Solution[/h2] First found By by summing the moments around point A; (clockwise positive) i.e. ƩMa = (28*0.6) - (By*0.3) = 0 which gave By = 56kN Next I summed the forces in the x direction and then took the sum of moments around the point "C", then tried to solve the simultaneous equations for Bx However, this gave the wrong answer and I have no idea where to go. Any help is great, thanks :D [/QUOTE]
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How Can You Correctly Calculate Forces in a Truss Analysis Problem?
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