Abstract
In this paper we give a geometrical solution for a mechanical equilibrium problem, namely for a bar that is hung by 2 threads from a fixed point. Despite the fact that most of the engineering modelling problems are solved using Mathematical Analysis, we will reduce the solution of our problem to determining the coordinates of a certain point in the Cartesian coordinate system. More, we will find the value of the forces appearing in the threads. Some generalizations are provided. The mechanical notions are minimal and they will be mentioned at first and some very simple geometric results, such as bisectrix theorem, law of cosines, the congruence of the angles will be used all along the paper. The forces that are not taken into account in the problem are considered negligible.
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