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Four people are attempting to move a stage platform across the floor. If they exert the horizontal forces shown, determine (a) the equivalent force-couple system at O and (b) the points on the x- and y-axes through which the line of action of the single resultant force R passes. Assume F₁ = 82 lb, F₂ = 87 lb, F3 = 36 lb, F4-74 lb, a=81 in., b = 69 in., and 0 = 46° F₂ F₁ Answers: (a) The force-couple system at O: R= Mo- 220.4 i 2322.2 On the x-axis x= (b) The line of action of the single resultant R: On the y-axis y= i26.0 i+ 89.2 10.5 ! klb-in. in. in. j) lb

Four people are attempting to move a stage platform across the floor. If they exert the horizontal forces shown, determine (a) the equivalent force-couple system at O and (b) the points on the x- and y-axes through which the line of action of the single resultant force R passes. Assume F₁ = 82 lb, F₂ = 87 lb, F3 = 36 lb, F4-74 lb, a=81 in., b = 69 in., and 0 = 46° F₂ F₁ Answers: (a) The force-couple system at O: R= Mo- 220.4 i 2322.2 On the x-axis x= (b) The line of action of the single resultant R: On the y-axis y= i26.0 i+ 89.2 10.5 ! klb-in. in. in. j) lb

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Four people are attempting to move a stage platform across the floor. If they exert the horizontal forces shown, determine (a) the equivalent force-couple system at O and (b) the points on the x- and y-axes through which the line of action of the single resultant force R passes. Assume F₁ = 82 lb, F2 = 87 lb, F3 = 36 lb, F4 = 74 lb, a = 81 in., b = 69 in., and 0 = 46° y F F₁ F₁ Answers: (a) The force-couple system at O: R= A Mo= (i 220.4 2322.2 On the x-axis x = On the y-axis y = 26.0 B (b) The line of action of the single resultant R: 10.5 C 0 i+ 89.2 k lb-in. in. in. j) lb
Transcribed Image Text:Four people are attempting to move a stage platform across the floor. If they exert the horizontal forces shown, determine (a) the equivalent force-couple system at O and (b) the points on the x- and y-axes through which the line of action of the single resultant force R passes. Assume F₁ = 82 lb, F2 = 87 lb, F3 = 36 lb, F4 = 74 lb, a = 81 in., b = 69 in., and 0 = 46° y F F₁ F₁ Answers: (a) The force-couple system at O: R= A Mo= (i 220.4 2322.2 On the x-axis x = On the y-axis y = 26.0 B (b) The line of action of the single resultant R: 10.5 C 0 i+ 89.2 k lb-in. in. in. j) lb
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