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example of instability is the protrusion of long and fine lines that
compressed longitudinal forces. Loss of stability can occur under
the influence of external factors that are safe in terms of strength or
stiffness. Generally speaking, resistance is the ability of the body
to maintain its original shape of elastic equilibrium.
The numerous experiments have demonstrated that the value of
deformation depends on:
- mutual orientation of the body and attached external factors
(deformation character) to it;
- values and laws, changes in external factors (external
factors);
- body size and its shape (geometric factor);
- quality of material (physical factor).

Fundamental Mechanics Engineering

discipline of deformable discipline

body

-Theoretical -Machine parts;
mechanics -Engineering

technology;

-Physics of solid -Construction of

body Strength of pipelines;
materials -Machines and
-Science of equipment for

materials drilling;

-The dynamics
-Mathematics
and strength of
machines and

many more

Figure 1.1 - Relationship the science of strength of
materials with other disciplines

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