Chapter 4 - Force System Resultants - Section 4.9 - Reduction of a Simple Distributed Loaded - Problems - Page 198: 151

$F_{R}$ = 51.0KN ↓ d= 17.9m

Finding the Equivalent Resultant Force ↑+$F_{R}$ = Σ$F_{y}$ : -$F_{R}$ = -22.5 -13.5 -15 $F_{R}$ = 51.0KN ↓ Now Finding Location of Equivalent Resultant Force ↺+ ($M_{R}$)$_{o}$ = $ΣM_{o}$: -51.0(d)= -500-22.5(5) -13.5(9)-15(12) d=17.9m Ans