UNIT 3: STRUCTURES

UNIT 3: STRUCTURES

1. FORCES

   • is anything that can deform a body or change its state of rest or movement
     • Example: when you press

2. STRUCTURES

   • Is a set of elements in a body that are intented to resist the effects of the forces that act on it
     • ARTIFICIAL STRUCTURES
     • NATURAL STRUCTURES

3. LOADS

   • is the force that acts in a structure
     • Example: the weight of the cars acts on a bridge

4. STRESSES

   • are the effects that load cause in a structure
     • TRACTION
       • stretch the structure
     • COMPRESSION
       • flatten or compress the structure
     • BENDING
       • bend the structure
     • TORSION
       • twist the structure
     • SHEAR
       • shear the structure

5. STRUCTURAL CONDITIONS

   • Stability
   • resistance
   • Rigidity