Types of structures
What type of structure is made from a skeleton of strong material?
Frame
How do you define a force?
A push or a pull
Define an artificial structure
Something that is man made
What is a negative of frame structures?
They have mechanical weak points (joints)
What type of structure is made by piling up similar material?
Mass
What force is constantly acting on objects while they are on Earth?
gravity
Define a load
Something that is supported or transported by a structure
What is the unit of measurement for mass?
the metric system
What type of hollow structure maintains its strength and shape without the use of a frame?
Shell
With force diagrams, what does a different size arrow represent?
different amounts of force
Define aesthetics
The appreciation of beauty
What device is used to measure mass?
a balance
What is the type of structure would you classify a hot air ballon as?
shell
What is the unit of measurement for a force?
Newtons
Define margin of safety
intentionally making a structure able to withstand more load than it will likely experience
mobile - the knee
stable - the corner of a room
What is the name of the structure type that uses more than one type of structure?
Combination
What are 2 examples of what a single Newton of force is equal to?
Lifting a D cell battery and stretching a small rubber band
Define composite material
made by combining more than one type of material
What is required in order for something to be considered a structure?
needs to have the following:
1) a defined shape
2) a function
3) the ability to withstand forces
4) can transport a load