The block in the figure has a weight of 400 lb and an applied force of 600 lb to the right. There is also a pressure P exerted by the incline plane. If the direction of the resultant, R, is parallel to the incline, determine the magnitudes P and R. 600 lb W = 400 lb

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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.