A 7 m long steel shaft weighing 250 kg is supported at points A and B as shown in the figure. If the weight of the shaft acts at point G, determine the moment of the weight about point A in Cartesian form. Assume the point G is located at the coordinates (1m,3m,1.5m) & if the support at B creates a reaction force Bx and By as shown, determine these reaction forces. Assume B is located at 3 m from the origin O along the z-axis

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Types of loading

In mechanical terminology, the term load indicates that external force/weight, either constant or variable, acts on a mechanical member/structure. The weight of an object of a specific material is also an external load, and the external force that works on a structure comes under the categories of loading. The external load generates its effects as stress and strain in the structure.