how much force does it take for the grey object to lift up if there is a downward weight of 150lbs, and the outside ring is anchored and weighs 1.4 grams

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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.