STRUCTURES.

STRUCTURES.

1. A structure is the set of elements in a body that are made to resist the effects of the forces that act on it.

   • LOADS & FORCES.
     • Force.
       • Force is anything that can deform a body (static effect) or make it move or stop (dynamic effect).
     • Load.
       • Load is a force that acts on a structure.
         • Fixed or permanent loads: They are constant. They don't vary over time.
         • Variable loads: They vary over time.
       • Loads produce stress on the structure of a body. The same load can cause different effects depending on the shape of the structure, the point of application, the direction, and the trajectory.
   • TYPES OF STRUCTURES.
     • Man-made structures.
       • They are made by people to satisfy a need (humans).
     • Natural structures.
       • They aren't made by humans. They are in living beings, in their composition, or the result of a geological process.

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