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


    term for the force transmitted by a string or other connector


    The direction of any vector representing weight is _____.

    center of gravity

    term for an object's point of balance


    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


    term for a single vector representing the same effect as concurrent vectors acting separately


    term for the force that achieves equilibrium


    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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