Unit 5: Structures and mechanisms

Unit 5: Structures and mechanisms

1. TYPES of STRUCTURES

   • Truss structure
     • These are structures composed of bars that form a triangles and they are lightweight and sturdy.
     • Electricity pylons
     • Eiffel Tower
   • Mass structure
     • These are solid,heavy and very sturdy structures.
     • Pyramid
     • Dams
     • Walls
   • Frame structure
     • Are structures formed by colums and beams that suports elements. 
     • Buildings
   • Suspended structure
     • Are held in place by cables and suspenders attached to sturdy supports.
     • Suspension bridges
     • Marquees

2. Forces

3. Stresses

4. Strength

5. TYPES of STRESS

   • Tension/Traction
   • Shear
   • Torsion
   • Bending
   • Compression

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