Express the 800-lb force F as a vector in terms of the unit vectors i. j, and k. Determine the scalar projection of F onto the y-axis. y, in. В (55, 30, 41) 4 (-50, -16, 17) F = 800 lb x, in. 2, in. Answers: F=( i i+ i j+ i k) Ib Ih

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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.