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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] 66 lb 87 lb 89 lb 66" O IA 91" B 50 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] 66 lb 87 lb 89 lb 66" O IA 91" B 50 lb 46°

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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
Transcribed Image Text: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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