The coefficients of friction between the load and the flatbed trailer shown are µs= 0.40 and HK= 0.35. Knowing that the speed of th rig is 45 mi/h, determine the shortest time in which the rig can be brought to a stop if the load is not to shift.

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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.