Structures
A structure with a solid outer surface, and hollow inner area.
What is a Shell Structure.
What is Gravity.
A squeezing or shortening force.
What is Compression.
A storm with strong winds that go around in a circle.
What is a Tornado.
What are the two basic forces?
What are Push and Pull.
The bones in your body are an example of a __________ structure.
What is Frame Structure.
______ is the term used to describe the size of the force.
What is Magnitude.
Wringing out a wet washcloth is an example of which internal force?
What is Torsion.
__________ is a storm with strong winds and a lot of rain.
What is a Hurricane.
A structural design feature that helps lessen damages caused by floods by elevating a house/buidling.
What are Stilts.
Bricks, boulders, and a concrete bridge are examples of a __________ structure.
What is a Solid Structure.
What is Point of Application.
Is the force that happens when a piece of paper gets cut.
What is Shear.
Movement along cracks in the Earth's crust (faults) causes most _____________.
Earthquakes.
Name the four types of bridges:
What is a Beam Bridge, Truss Bridge, Suspension Bridge, and an Arch Bridge.
Wind and people are examples of __________ loads that can act on a structure.
What are Dynamic Loads.
The counter force that slows/stops the movement of something.
What is Friction.
A person is descending from their rock climb. What internal force is happening within their rope?
What is Tension.
____________ are most often generated by earthquakes on the ocean floor, but can also result from landslides, volcanic eruptions, and meteorites.
What are Tsunamis.
This permanently frozen layer of soil can affect the stability of buildings and roads in cold climates.
What is Permafrost.
A _______ load is a weight that does not change.
What is Static.
There are 3 types of non-contact forces. Name them...
What is magnetic, gravitational, and electrostatic.
What are the two internal stresses that occur when bending an item or structure.
What are Tension and Compression.
After an earthquake, what might cause more damage to structures?
What are Aftershocks.
Wearing a helmet when riding a bike or playing sports can help prevent an injury to the brain, called a _______________.