he L-shaped beam AB is resting on a smooth surface at A and supported by the collar at B which in turn is resting on a smooth rod built into the floor and wall supports as shown in Fig 3. Four loads and two moments of couples act on the beam as shown in Fig. 3. Calculate the reactions at the supports A and B. Neglect the thickness of the beam.

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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.