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Question 3 (1 point) w L 0 .51 0.51 Determine the resultant force, FR and specify where it acts on the beam measured fr L = 28 feet w - 175 lb/ft P = 4.5 kips O a) 5.93 kips at 18.9 fe from A O b) 7.67 kips at 14.6 feet from A O c) 2.45 kips at 23.8 feet from A d) 9.4 kips at 27.4 feet from A

Answer 1

, 175 X 28.4.9 Kips qos 115 Amm 14-414- -14--> RA 1 RB Ret RB = 4.9+.4.5 29.4 EM3 = RAX 56 =(4:9x.42)+(4:5 x 14) R RA= 4.8 Kips RB 29.4 -4.8 E 9.6 kips Resultont force fr on the beam eine => 175 x 28 + 4is > 9.4:* 1000 Let fr acts at a distance 8! from A 2 M2 sene .: 4.6- --- To determine location of fr from A FR. & & 4.5 X 3 4 + 175 x L x L Dis 9.4.22 3, 4, 2 : 15 x 3 x 2 8 4 1 X 28 X 28. : 2 000 26227.4 feet