14 terms

Abeka Physics Chapter 9

This set covers Abeka Physics Chapter 9: "Concurrent Forces" (pages 130-143).
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free-body diagram
term for a drawing of a body in isolation from all other bodies to show all the forces acting on that body
principle of transmissibility
principle that says that a force may be applied anywhere along its line of action without changing its effect
tension
term for the force transmitted by a string or other connector
downward
The direction of any vector representing weight is _____.
center of gravity
term for an object's point of balance
motion
A vector's direction is always opposite to _____.
translational equilibrium
A body that is not accelerating is in _____ ______.
concurrent vectors
term for two or more vectors acting simultaneously upon the same point
resultant
term for a single vector representing the same effect as concurrent vectors acting separately
equilibrant
term for the force that achieves equilibrium
opposite
The equilibrant is directly ______ of the resultant.
normal force
term for the force a surface exerts perpendicularly against an object's weight
magnitudes, directions
The relationship between friction force and the normal force is a relationship between their ______, not their ______.
load-bearing structures
term for structures that use tension to keep a load from moving away from a desired position
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