Question

Chapter 2, Problem 2/090 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. 71 lb 76" 70 lb 98" 49 lb Answers: (a) The force-couple system at O: R= 1) lb Mo- k Ib-in.

Answer 1

204.380+4 6080 AI 33.515-4412.5- 802 31.015 lb-m (xityj)( 204.38% +14. 63j):-939.75 K 39.075 94 3 で20y.SI) (-204.3.) ep 944. C3 204.3/1 =14.5% In