Types of Structures
Frame, solid, and shell are all types of these...
Structures
Twisting is this type of force...
Torsion
When measuring the force of a load, you measure it in _______.
Newtons
This man quickly coined the term ‘gravity’ when he was struck by an apple.
Isaac Newton
Houses have this type of structure built from wood.
Frame
Honeycombs, spider webs and beaver dams are all what types of structures?
Natural
What two internal forces occur when an object is bent?
Compression and tension
What shape is the strongest?
Triangle!
This famous building has a funny looking lean to it...
LEANING TOWER OF PISA
A beaver dam is this type of wooden structure...
Mass
What are 3 common factors that we need to consider when creating a structure?
Function, Aesthetics, Safety, Materials
Gravity is an example of what kind of force?
External Force
What are the four bridge types?
Beam, Suspension, Arch, and Truss
This suspension bridge is a tourist attraction in California.
The Golden Gate Bridge
Plywood is stronger than normal wood because it is _________.
It is laminated
What type of structure is a rain shelter in a public garden?
Shell
What is an example of a static load and a dynamic load on a bridge?
Static: Weight of the bridge itself
Dynamic: People, Cars, Wind, Etc.
This type of structure would not be able to support a load without its ‘keystone’
Arch
The type of bridge where you support the platform from suspension cables overhead....
Cantilever
This type of ‘F’orce keeps two pieces of wood together when a nail has been added.
Friction
What is the name of a specialized solid structure?
Mass structure
What are the 4 main types of forces that cause failure?
COMPRESSION, TENSION, SHEAR, TORSION
When you design a bridge to support more than the required load, you are giving it a higher __________ (3 words)
Margin of Safety
The term that means “good-looking”
Aesthetics
By adding _______________ to an box, you can increase the support and strengthen it.
Corrugation