Types of Structures
What type of structure is an egg?
Shell
Which force occurs when pulling something apart?
Tension
What is the definition of a live load?
The mass or weight of the structure itself
Why is a triangle stronger than a square?
The triangle cannot collapse on itself without altering the length of the sides, where a square can.
What does magnitude mean?
The strength of the force
What type of structure is a brick?
Solid
Which force occurs when cutting paper with scissors?
Shear
What is the definition of a dead load?
The mass or weight of the load a structure is supporting.
How do cylinders support their weight?
The weight is evenly distributed around the entire cylinder.
What is the centre of gravity of an object? Definition
Where the mass is concentrated, and structure is balanced.
What type of structure is the Eiffel Tower?
Frame
Which force occurs when walking in the snow?
Compression
Is snow on a roof top a dead or live load?
Live
What is the word for the strong wave like layer in cardboard?
Corrugated
What type of force is a tornado, hurricane, or earthquake?
Natural external force
What type of structure is a mountain?
Solid
Which force occurs when opening a plastic water bottle?
Torsion
Is a bookshelf a dead or live load?
Dead
What do we call the corners in columns that are used to hold the weight of the load?
Vertices
What column is stronger? An octagon or a hexagon?
Octagon because it has more vertices
What type of structure is a skeleton?
Frame
Which force occurs in a strut?
Compression
Which one does not belong, Walls, floor, door, or table? Why?
Table does not belong because all things are found in a house. A table is the only thing that would be a live load in a house.
What do we call the strong structure that is made of many triangles linked together?
A truss
What is the point of application?