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 = 66 lb, F₂ = 74 lb, F3 = 26 lb, F4 = 59 lb, a = 95 in., b = 73 in., and 0 = 43° F. G F₁ F,

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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 = 66 lb, F₂ = 74 lb, F3 = 26 lb, F4 = 59 lb, a = 95 in., b = 73 in., and 0 = 43%
F₁
F₂
F₁
Answers:
b
R=
Mo=
O
(a) The force-couple system at O:
A
On the x-axis X= i
On the y-axis y=
B
i
ان
F,
(b) The line of action of the single resultant R:
i+ i
k lb-in.
0
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 = 66 lb, F₂ = 74 lb, F3 = 26 lb, F4 = 59 lb, a = 95 in., b = 73 in., and 0 = 43% F₁ F₂ F₁ Answers: b R= Mo= O (a) The force-couple system at O: A On the x-axis X= i On the y-axis y= B i ان F, (b) The line of action of the single resultant R: i+ i k lb-in. 0 in. in. j) lb
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