“S” words
Frame, mass, and shell make buildings and bridges which are all types of these...
What is STRUCTURE
Twisting is this type of force...
What is TORSION
When measuring the force on a bridge, you measure the _______.
What is LOAD
Houses have this type of structure built from wood.
What is FRAME
This is the structure that needs the least amount of material to construct. It holds things and begins with S-H...
What is SHELL
Compression and tension causes “B______ & B______” that happened to Tacoma Bridge
What is BENDING and BUCKLING
This type of load comes and goes.
What is THE LIVE LOAD
This famous building has a funny looking lean to it...
What is LEANING TOWER OF PISA
The first of these bridges were wooden structures...
What is BEAM
This is the term that refers to both sides of a structure looking the same. We learn it in math. It starts with S-Y...
What is SYMMETRY
These are the 4 main types of internal forces that cause failure
What is COMPRESSION, TENSION, SHEAR, TORSION
When you design a bridge you should do so to support more than __________ (3 words)
What is ITS OWN WEIGHT (OR MASS)
This twisting bridge fell apart in 1940 and miraculously nobody died
What is TACOMA
stronger than wood is _________.
What is METAL
If a bridge doesn't wobble we say it is
What is STABLE
Where humans get ideas for protective clothing
What is PLANTS OR ANIMALS
This type of structure would not be able to support a load without its ‘keystone’ in the middle
What is THE ARCH
The type of bridge has suspension cables overhead....
What is SUSPENSION
You can support a wooden frame structure by adding ________ to it.
What is BRACING or SUPPORTS
Is the force that happens when a piece of paper gets cut.
What is SHEAR
This shape is very strong
What is TRIANGLE
What supports the full weight of the house, without it, it may sink...
What is FOUNDATION
The term that means “won't fall”
What is STABLE
This type of ‘F’orce keeps two pieces of wood together when a nail has been added. F-R-I...
What is FRICTION