Chapter 2, Problem 2/079Four 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 actionof the single resultant force R passes.69 lb46°B.A70 Ib73"89 Ib86"37 lbAnswers:(a) The force-couple systemO:R =j) Ib206.931i +86.634Mo =1158.432k Ib-in.(b) The line of action of the single resultant R:On the x-axis x =13.372in.On the y-axis y = 5.598| in.

(a) It is required to determine the x component of resultant force. ∑Fx=0Rx=70+89+69cos46°=206.93i…

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) of the single resultant force R passes. points on the x- and y-axes through which the line of action 69 lb 46° 70 lb 73" 89 Ib 86" 37 lb Answers: (a) The force-couple system at O: R = i+ 86.634 j) Ib 206.931 Mo = 1158.432 k Ib-in. (b) The line of action of the single resultant R: On the x-axis x= 13.372 in. On the y-axis y = 5.598 |in.

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) of the single resultant force R passes. points on the x- and y-axes through which the line of action 69 lb 46° 70 lb 73" 89 Ib 86" 37 lb Answers: (a) The force-couple system at O: R = i+ 86.634 j) Ib 206.931 Mo = 1158.432 k Ib-in. (b) The line of action of the single resultant R: On the x-axis x= 13.372 in. On the y-axis y = 5.598 |in.

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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