4.) 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 [Answer: R = 222 i + 97.5 j lb, Mo = 102 lb in] b) the points on the x- and y-axes through which the line of action of the single resultant force R passes. [Answer: x= 1.05 in, y = -.462 in] c) the point along the axis AB through which the line of action of R passes. [Answer: x= 151.3 in] 87 lb 89 lb 66" 10 I | A 91" B 50 lb 66 lb 46°

4.) 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 [Answer: R = 222 i + 97.5 j lb, Mo = 102 lb in] b) the points on the x- and y-axes through which the line of action of the single resultant force R passes. [Answer: x= 1.05 in, y = -.462 in] c) the point along the axis AB through which the line of action of R passes. [Answer: x= 151.3 in] 87 lb 89 lb 66" 10 I | A 91" B 50 lb 66 lb 46°

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

4.) 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 [Answer: R = 222 i + 97.5 j lb, Mo = 102 lb in]
b) the points on the x- and y-axes through which the line of action of the single resultant force R passes.
[Answer: x = 1.05 in, y = -.462 in]
c) the point along the axis AB through which the line of action of R passes. [Answer: x = 151.3 in]
87 lb
89 lb
66"
IA
91"
B
50 lb
66 lb
46°
-X

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