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Structural Systems Bingo
A change in shape of a material caused by compression or tension:
Strain
Forces that try to twist a material apart are called :
Torsion
The 5 types of forces are ____ tension, bending, shear, & torsion
Compression
Basic load measurements can be made by modeling or ____ testing.
Empirical
Snow evenly distributed on a rooftop is called a :
UDL
Using algebraic & trigonometric functions to study forces is
Vector Analysis
The trigonometric ratio for tangent is ______/ adjacent.
Opposite
Channels, plates, rods, & tubes are all types of :
Beams
Alexandre Eiffel was a French _____ engineer.
Civil
Bent material has a(n) ___ axis without compression or tension.
Neutral
This structural material is made from thin layers of glued wood.
Plywood
Combining the measures of ___ & strain is how stiff a material is
Stress
The formula for stress is force / _____.
Area
The formula for the area of a ____ is Pi * r^2.
Circle
This type of load is characterized by forces in motion.
Dynamic
When forces acting up from the chair=the downward force of weight
Equilibrium
Pi is equal to the _____ divided by the diameter of any circle.
Circumference
Strain is equal to the change in length divided by the ___ length
Original
The stiffness of a material is known as Young's ___ of elasticity
Modulus
This material is one of the stiffest materials known to man.
Diamond
Phase in between the plastic & the breaking point is ____ stage.
Elastic
Planning a product to fail after certain period of use is Planned
Obsolescence
Any product capable of last 3 years is considered
Durable
Compression in the US is often measured in :
PSI
Forces exerted are in the same plane but in opposite direction:
Shear
Structural Components that resist tension are called :
Ties
Vertical cables are used as ties in ______ bridges.
Suspension
The Sine relationship is opposite / _____.
Hypotenuse
Point loads are sometimes measured by ______ calculations.
Moment
Lines that describe both the direction & magnitude of a force:
Vector
The moment load calculation for turning a wrench would be Force *
Distance
Structural Components that resist compression are called:
Struts
Torque is often measured in which unit :
Ft-lbs