Forces
When a strong wind is blowing, what kind of force is being exerted on a structure?
External
An igloo is what kind of structure?
shell
when a structure is designed to look beautiful (which isn't necessary for stability) we call this:
Aesthetics
This kind of bridge uses triangles to provide extra support?
Truss bridge
structure can no longer resist forces acting on it
structural failure
deflating an air mattress by sitting on it uses which internal force?
What kind of structures are the pyramids?
Solid
When something is the same on both sides
Symmetry
This bridge uses cables suspended from towers to support the load
Suspension bridge
stretch or pull apart internal force
tension
What is the opposite of a static load?
Dynamic
A dog house is what kind of structure?
Frame
The size of the force
Magnitude
The most simple form of bridge
Beam Bridge
imaginary point of an object where the downward force of gravity acts
centre of gravity
Is gravity an internal or external force?
external
A tin can is what kind of structure?
Shell
The structure's purpose
Function
This bridge uses a semicircle shape and retaining walls to add support
Arch bridge
dead or non moving load
static load
What are the 3 types of internal forces we talked about?
tension, compression, shear
Your skeleton are what kind of structure?
Frame
a structure supported at only one end
cantilever
What kind of bridge is Finlay Bridge in Medicine Hat?
Truss Bridge
live or moving load
dynamic load