Vocabulary Flashcards
A rigid structure that surrounds or encloses something such as a door or window.
Frame
A thin, curved plate structure shaped to transmit applied forces by compressive, tensile, and shear stresses that act in the plane of the surface
Shell
A point from which the weight of a body or system may be considered to act
Centre of Gravity
The ability of a structure to maintain, or regain, a stable (balanced) position when external forces act on it
Stability
The force generated from compressing an object or substance
Compression
A state of stress in which a material is being pulled apart
Tension
A force which push parts which are in contact with each other in opposite directions
Shear
A force that acts on a material by twisting its ends in opposite directions
Torsion
The forces present inside the material of the structure
Internal Forces
The force which is applied on a structure by something else
External Forces
Results when internal and external force are applied to a structure which can weaken it
Stress
Results in weakness to a structure when it is repeatedly used out of it’s original function
Structural Fatigue
Results when a structure can no longer stand up to forces acting on it
Structural Failure
The external force on a structure
Load
The amount of force applied
Magnitude