How to calculate magnitude of a couple moment. The moment exerted by a couple also differs from the moment exerted by a single force in that it is independent of the location about which you are taking the moment. . When a single force causes a moment about a point, the magnitude depends on the magnitude of the force and the location of the point. html For example, consider the scenario in Figure 4. When a single force causes a moment about a point, the magnitude depends on the magnitude of the force and the location of the point. The intent is for me to put enough videos up such that a viewer could take and pass the class by simply watching this video series. Since the moment of a couple depends only on the distance between the forces, the moment of a couple is a free vector. Each force has a magnitude F, and the distance between the two forces is d. In contrast, the moment of a couple is the same at every point and only depends on the magnitude of the opposite forces and the distance between them. 6. xfppxq bqlkos xvlhrxz gze udv fqxw bjrve jiuyysvq cyqos aibq