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 = 84 lb, F2 = 83 lb, F3 = 40 lb, F4 = 70 lb, a = 87 in., b = 72 in., and 0 = 40°. F F₁ b ΤΑ B. 0 4

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Ĉ
Answers:
(a) The force-couple system at O:
R=
Mo=
i
i+
i
k lb-in.
j) lb
Transcribed Image Text:Ĉ Answers: (a) The force-couple system at O: R= Mo= i i+ i k lb-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 = 84 lb, F2 = 83 lb, F3 = 40 lb, F4 = 70 lb, a = 87 in., b = 72 in., and 0 = 40°.
F
F₁
b
ΤΑ
В.
8
4
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 = 84 lb, F2 = 83 lb, F3 = 40 lb, F4 = 70 lb, a = 87 in., b = 72 in., and 0 = 40°. F F₁ b ΤΑ В. 8 4
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