direction

of a vector

Learn about this topic in these articles:

classical mechanics

  • vector mathematics
    In mechanics: Vectors

    …that has both magnitude and direction. It is typically represented symbolically by an arrow in the proper direction, whose length is proportional to the magnitude of the vector. Although a vector has magnitude and direction, it does not have position. A vector is not altered if it is displaced parallel…

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physical sciences

  • Galileo experiment
    In principles of physical science: Fields

    …of the force, and the direction of the arrow shows the direction of the force. If a number of particles are acting simultaneously on the one considered, the resultant force is found by vector addition; the vectors representing each separate force are joined head to tail, and the resultant is…

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