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Erschienen in:
2016 | OriginalPaper | Buchkapitel
5. Equilibrium of Rigid Bodies
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Abstract
In Chap. 4, we discussed equilibrium of objects loaded by concurrent forces. Such objects were modeled as a particle (point). In these cases, the principle of parallelogram of forces may be applied to find the resultant force. Setting the resultant force equal to zero, according to the First Newton’s law, leads to equilibrium equations. In reality, however, there are many situations when a body cannot be modeled as a particle, i.e., forces acting upon it are not concurrent, Fig. 5.1a.