4.9 If F1 = 100 N, F2 = 120 N and F3 = 80 N, determine the magnitude and coordinate direction angles of the resultant co

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4 9 If F1 100 N F2 120 N And F3 80 N Determine The Magnitude And Coordinate Direction Angles Of The Resultant Co 1 (38.78 KiB) Viewed 40 times

4.9 If F1 = 100 N, F2 = 120 N and F3 = 80 N, determine the magnitude and coordinate direction angles of the resultant couple moment. (Ans: (Mc)R = 71.9 N.m, a = 44.2°, B = 1310, y = 1039) -F.- (-150KN 0.3 m 301 0.3 m 0.2 m IF. - [1501] N 0.2 m 02 m F F 0.2 m Prob. 4.9 (5 Marks; PO2, CO2) 4.10 Replace the loading by an equivalent resultant force and couple moment acting at point O. (Ans: FR = 15.4 kN, (MR)o = 18.5 kNm (clockwise)) 8 kN/m 5 kN/m -1.5 m -0.75 m----0.75 m (5 Marks; PO2, CO2) Prob. 4.10