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Sri File Edit ViewHistory Bookmarks Window Help C (9 %4) 6396 , Tue 3:34 PM Alli

ID: 3279826 • Letter: S

Question

Sri File Edit ViewHistory Bookmarks Window Help C (9 %4) 6396 , Tue 3:34 PM Allis Adimey Q E outlook.office.com 1 ! User Dashboard Mail allisadimey Knights.ucf.edu MasteringEngineering a session.masteringengineering.com Office imey w3Problem 4.144 Resources previous 16 of 17 next » Download Problem 4.144 Word Online Part A er The distribution of soil loading on the bottom of a building slab is shown(Figure 1) Replace this loading by an equivalent resultant force. Express your answer with the appropriate units. st Cathe Christ Allis FRValue Units igure 1 of 1 Submit My Answers Give Up 01 Part B they of reu Specify its location, measured from point O Express your answer with the appropriate units. 0 they t proj violer The 50 lb/ft 100 lb/ 300 Ib/ft 12 f1 9 ft ds Value Units Submit My Answers Give Up Continue PAGE 1 OF2 HELP IMPROVE OFFICE 89% . .lli Pwoxe 26

Explanation / Answer

partA] Equivalent resultant force FR = 12*[50+300]/2 + 9*[100+300]/2

= 3900 lb. answer

partB ] d = centroid of whole figure from O

= [50*12*12/2 + 0.5*12*250*12*2/3 +100*9*(12+9/2)+0.5*9*200*(12+9*1/3))/3900

= 11.269 ft answer

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