Unit Two Flashcards
Definition: Structures
Buildings
Definition: Natural Structure
A structure that is not man-made
Definition: Manufactured Structures
Man-Made structures
Definition: Forces
Push or pull or anything that causes change in an objecy
Definition: Load
The weight carried by a structure
Definition: Mass Structure
A layered structure,bricks, book,etc.
Definition: Frame structure
A structure that is like a skeleton
Definition: Shell Structure
Strong, hollow strictures
Definition: Function
What something does
Definition: Aesthetics
The physical appearance of something, usually good
Definition: Safety
To make something safe
Definition: Balancing Cost With Safety
To design something safe and in the budget
Definition: Materials
What you use to build something
Definition: Composite Materials
Made from more than one material
Definition: Layered Materials
A layered Material
Definition: Woven or Knit Material
A woven or knit material
When engineers design a building they always consider…(4)
Cost of Materials
Appearance
Environmental Impact
Energy Efficiency
Definition: Joints
Where a structures parts are joined together
Definition: Mobile Joints
Joints that allow movement
Definition: Rigid Joints
A joint that attacks parts of a structure that does not allow movement.
Definition: Fasteners(3)
Nails Bolts Screws
Definition:Interlocking Shapes
Like lego
Definition: Ties(3)
String, rope, thread
Definition: Adhesives(1)
Glue
Definition: Melting(2)
Welding or Soldering
List one example of a mobile joint(1)
Swingset
List one example of a rigid joint
Chair
List the types of forces.(4)
Shear
Torsion
Compression
Tension
Definition: Grams
Balance scale
Measures mass
Definition: Newtons
Spring scale
Measures firces
Definition: Mass
The measure of amount in something
Definition: Gravitational Force
The force of gravity measured in Newtons
Definition: Force Diagram
A diagram showing forces using arrows
Definition: External Forces
Forces that act on a structure from the outside
Definition: Internal Forces
The result of External Structures
Definition: Deformation
The change in a structure from forces
Definition: Dead Load
A permanent force acting on a structure, after time it can sag, tilt, and pull apart.
Definition: Live Load
A changing or non permanent force acting on a sturcture, snow, weight of people.
Definition: Metal Fatigue
When a metal weakens due to stress
Definition: Fulcrum
The part of a lever that does not move
Definition: Lever
A device used to change the amount of force needed to move an object.
Definition: Buckle
To protect something, car bumper
Definition: Friction
Rubbing something together and making heat
Definition: Stable
Balance
Definition: Center of Gravity
The point at which all of the gravitational force may be considered to act
Definition: Spin Stabilization
Something that spins on its axis
