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Bridges quiz flash cards
Mrs. Raye - Bridges
13
Science
8th Grade
03/02/2010

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Cards

Term
TRUSS BRIDGE
Definition
a beam bridge that is reinforced with triangles
Term
What type of structural SHAPE is the strongest?
Definition
triange
Term
The WEAKEST part of MOST bridges...
Definition
joints
Term
BEAM BRIDGE
Definition
this is the simplest type of bridge (a beam that goes straight across with supports underneath)
Term
SUSPENSION  BRIDGE
Definition
a beam bridge suspended on cables.  The cables cause TENSION that balance the COMPRESSION
Term
What kind of stress are the TOWERS of a suspension bridge under?
Definition
great COMPRESSION
Term
TENSION
Definition
a force that pulls on two sides of an object
Term
What do we know about the forces acting on a bridge?
Definition
They must ALL be BALANCED
Term
ANCORAGES
Definition
a very important structure used in the suspension bridges - the force that holds the briges up is from the GROUND
Term
What are the two forces that act on a suspension bridge?
Definition
Tension and Compression
Term

What type of bridge can stay up through severe weather such as hurricaines, storms, and earthquakes?

 

 

 

How?

Definition

Suspension Bridges

 

 

 

Becuase Suspension bridges balance the forces of tension and compression

 

 

Term
Name two examples of famous suspension bridges:
Definition

Golden Gate Bridge in San Francisco

 

Brooklyn Bridge in NYC

Term
CABLE STAY BRIDGE
Definition
similar to a suspension b
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