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 = 90 lb, F2 = 68 lb, F3 = 45 lb, F4 = 77 lb, a = 84 in., b = 71 in., and 0 = 43° F₁ b Answers: R= (a) The force-couple system at O: i | A Mo = i On the x-axis x = On the y-axis y= (b) The line of action of the single resultant R: i B i i+ i k lb-in. Ө F 4 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 = 90 lb, F2 = 68 lb, F3 = 45 lb, F4 = 77 lb, a = 84 in., b = 71 in., and 0 = 43° F₁ b Answers: R= (a) The force-couple system at O: i | A Mo = i On the x-axis x = On the y-axis y= (b) The line of action of the single resultant R: i B i i+ i k lb-in. Ө F 4 in. in. j) lb

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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The combined action of the three forces on the base at O may be obtained by establishing their resultant through O. Determine the magnitudes of R and the accompanying couple M. Assume F₁ = 350 lb, F₂= 620 lb, F3 = 520 lb, a = 5.4ft, b = 2.9 ft. c = 4.0 ft, and 0 = 50% Answers: R= i 1091.134 lb M= i 9719.344 lb-ft
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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 = 68 lb. F₂ = 62 lb, F3 = 36 lb. F4 = 50 lb. a = 92 in., b = 74 in., and 0 = 45° F₁ F₂ F₁ R= b Mo= O Answers: (a) The force-couple system at O: i IA On the x-axis x= a On the y-axis y = i B i+ (b) The line of action of the single resultant R: Q F, k lb-in. 0 in. in. j) lb
The combined action of the three forces on the base at O may be obtained by establishing their resultant through O. Determine the magnitudes of R and the accompanying couple M. Assume F₁ = 350 lb, F₂= 620 lb, F₂ = 520 lb, a = 5.4ft, b = 2.9 ft. c = 4.0 ft, and 0 = 50° Answers: R= i 1091.134 lb M= i 9719.344 lb-ft
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 F₁-86 lb, F2-89 lb, F3-44 lb, F4-54 lb, a-95 in., b-72 in., and 6 = 40° | A B 0 F₁ F₁ Answers: (a) The force-couple system at O: R- Mo- C klb-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° F F₂ F₁ 5º Answers: (a) The force-couple system at O: R= (i Mo= On the x-axis x= On the y-axis y= B Mi i+ (b) The line of action of the single resultant R: F, Mi klb-in. 0 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 = 77 lb, F₂ = 72 lb, F3 = 49 lb, F4 = 75 lb, a = 88 in., b = 74 in., and 0 = 48% F₂ F₁ Answers: b (a) The force-couple system at O: R= Mo= (199 175 On the x-axis X= On the y-axis y = 1.67 i+ i 0.878 (b) The line of action of the single resultant R: B. klb-in. F, 104 0 F₁ 4 in. in. j) lb
A 170-kg horizontal beam is supported at the ends A and B. A 300-kg piano rests a quarter of the way from the end A. Determine the magnitude of the vertical force on the support at A. Determine the magnitude of the vertical force on the support at B.
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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 = 77 lb, F₂ = 72 lb, F3 = 49 lb, F4 = 75 lb, a = 88 in., b = 74 in., and 0 = 48% F₂ F₁ Answers: (a) The force-couple system at O: R= Mo= On the x-axis x = On the y-axis y= B i F₂ (b) The line of action of the single resultant R: i+ i k lb-in. Ө -X in. in. j) lb
Quiz 17-2-2021.pdf > Allowable Time: 20 minutes Quiz 17-2-2021 Replace the three forces and one couple which act on the bar by a force-couple system at the support point A. Then determine the x-intercept of the line of action of the stand-alone resultant force R. 10 kN 5 kN 3 kN 10 kN.m 2 m 3 m 2 m 2 m