Mastering Vectors
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Questions and Answers

Which of the following best describes a vector?

  • A quantity that represents magnitude and direction (correct)
  • A quantity that represents only direction
  • A quantity that represents only magnitude
  • A quantity that represents both magnitude and direction
  • How is a vector represented graphically?

  • By a line segment
  • By a circle
  • By a dot
  • By an arrow (correct)
  • How can vectors be added together?

  • By dividing the magnitudes of the vectors
  • By placing the head of the first vector on the tail of the second and drawing a third vector from the tail of the first to the head of the second (correct)
  • By subtracting the magnitudes of the vectors
  • By multiplying the magnitudes of the vectors
  • What is a moment?

    <p>A vector quantity equal to a force times the distance from the point of rotation that is perpendicular to the force</p> Signup and view all the answers

    What is the moment arm?

    <p>The perpendicular distance from the point of rotation to the line of action of the force</p> Signup and view all the answers

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