The frame of a machine is accelerated rightwards at 3/4 gravity as shown in the figure below, it carries a uniform angle ABC weighing 120 lbs which is braced by the uniform strut CD weighing 80 lbs and AE weighing 40 lbs. Determine the components of the pin pressure at C

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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.