Structures
What are the two origins of structures?
What are natural and manufactured?
An elbow is an example of what type of joint?
What is a movable joint?
Describe what happens during compression.
What is pushing from both sides of a structure?
The strongest shape
What is a triangle?
When an elevator can hold more than it says it can is an example of what?
What is margin of safety?
What is an example of a manufactured structure?
answers will vary
List the two types of joints.
What are movable and fixed?
Twisting force.
What is torsion?
What orientation/direction are beams placed?
What is horizontal?
A structure’s ability to keep it's shape when forces act on it.
What is structural strength?
What is an example of a natural structure?
answers will vary
Melting is also known as what?
What is welding?
Describe tension.
What is pulling apart?
The component of a structure that goes diagonally between beams and columns
What are braces?
A structure’s ability to hold it's position when forces act on it.
What is structural stability?
A tree without leaves is an example of what type of structure?
What is a frame structure?
List 3 examples of friction joints.
What are fasteners, interlocking pieces and mass (nails, screws, staples, lego, heavy bricks, etc)?
When part of a structure goes forward and the other part goes backwards.
What is shear?
Where should most of the weight be on a structure?
What is at the bottom?
What is the formal word for discussing if a structure looks nice?
What is aesthetics?
An helmet is an example of what type of structure?
What is a shell structure?
Where a table top and table leg connect is what type of joint?
What is fixed?
What type of forces are compression, tension, torsion and shear?
What are internal forces?
What is symmetry?
What is when the left and right side are the same?
What is an advantage of a mass structure?
Strong
Stable
Durable