# Shared Flashcard Set

## Details

Bridge Vocabulary
Vocabulary for statics and dynamics in bridge design
23
Engineering
01/15/2009

Term
 Abutment
Definition
 End support of bridge superstructure
Term
 Arch Bridge
Definition
 Bridge with two abutments, and with an arch shaped structure in the middle which supports the weight of the bridge
Term
 Beam Bridge
Definition
 A bridge consisting of horizontal beams supported by verticle posts
Term
 Cable Stayed Bridge
Definition
 A bridge which consists of any number of towers which have cables that attach to the road to support it
Term
 Compression
Definition
 Forcing two objects together which causes stress on a point of the object
Term
 Equilibrium
Definition
 The point in time when forces cancel eachother
Term
 Force
Definition
 An act of pushing or pulling
Term
 Forces
Definition
 The things which are doing the forcing
Term
 Free Body Diagram
Definition
 A pictorial representation often used by physicists and engineers to analyze the forces acting on a free body
Term
 Friction Force
Definition
 The resistance encountered when one body is moved in contact with another
Term
 Impending Motion
Definition
 Determine the direction of frictino based on the direction of impending slippage
Term
 Mass
Definition
 The amount of matter in an object
Term
 Moments
Definition
 A turing force produced by an object acting at a distance
Term
 Newton's Laws
Definition
 3 physical laws which provide relationships between the forces acting on a body and the motion of the body
Term
 Resultant
Definition
 A single force that produces the same result that all forces would if acting together
Term
 Scalar Quantity
Definition
 A quantity that has no direction associated with it
Term
 Suspension Bridge
Definition
 A bridge that has a roadway supported by cables that are anchored at both ends
Term
 Tension
Definition
 A stress that produces an elongation of an elastic physical body
Term
 Vector Quantity
Definition
 A quantity that has direction and magnitude associated with it
Term
 Weight
Definition
 The vertical force exerted by a mass as a result of gravity
Term
 Newton's First Law of Motion
Definition
 Every objedt in a state of uniform motino tends to remain in that state of motion unless an external force is applied to it
Term
 Newton's Second Law of Motion
Definition
 the relationship between an object's mass m, its acceleration a, and the applied force F is F=ma. Acceleration and force are vectors (as indicated by their symbols being desplayed in slant bold font); in this law the direction of the force vector is the same as the direction of the acceleration vector
Term
 Newton's Third Law of Motion
Definition
 For eevery action there is an equal and opposite reaction
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