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Homework Help
Introductory Physics Homework Help
Replace all the loads on the beam with one resultant force.
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[QUOTE="aerograce, post: 4488300, member: 469267"] [h2]Homework Statement [/h2] Knowing the distance d=1.5m, determine the resultant of the loads acting on the beam shown in the attachment. Specify the point of application of this resultant on the beam. Given data: F1=100KN, l1=1m. F2=50kN,l2=1.5m. F3=60KN, l3=4m. Variables: Resultant Force R, and its lever arm L. [h2]Homework Equations[/h2] R=F1+F2-F3=90KN(Pointing downwards) Take the most left point as reference: M=-F1*l1-F2*l2+F3*l3=65 KN*m (Counterclockwise direction) [h2]The Attempt at a Solution[/h2] The problem I have is that, since R is pointing downwards, it will never create a counterclockwise direction moment, hence this problem cannot be solved. But on my book, anwser is given like this: R=90KN downwards @0.722m from the left end Thank you for helping me:) [/QUOTE]
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Introductory Physics Homework Help
Replace all the loads on the beam with one resultant force.
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