Extracted text: SAQ 4 Replace the given force system with a force-couple system acting at: a) point A, and b) point B. c) If the force system is to be replaced by an equivalent force at an arbitrary point C, how far from A (distance b) should the force be 436 kN 20 kN 94 kN-m. 2 m 3 m 2 m C -B applied? Answers: (a) 56 kN upwards, 266 kN m, CCW, (b) 56 kN upwards, 126 kN m, CW, (c) b = 4.75 m