Two-dimensional Kinematics

10 Questions | Total Attempts: 1914

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Kinematics Quizzes & Trivia

You may take this quiz up to 3 times. The quiz is open through Sunday, September 11th. (Some questions are review questions, some are new!)


Questions and Answers
  • 1. 
    Change in position is called ____________.
    • A. 

      Velocity

    • B. 

      Displacement

    • C. 

      Rate

  • 2. 
    The change of velocity over time is called ___________.
    • A. 

      Acceleration

    • B. 

      Speed

    • C. 

      Distance

  • 3. 
    An object in free-fall is undergoing __________ acceleration.
    • A. 

      Constant

    • B. 

      Average

    • C. 

      Instantaneous

  • 4. 
    The acceleration due to gravity at or near the earth's surface is ______ m/s2.
    • A. 

      3.5

    • B. 

      27

    • C. 

      9.8

  • 5. 
    Displacement in 2-dimensions is a ___________, because you must know both magnitude and direction.
    • A. 

      Scalar

    • B. 

      Vector

    • C. 

      Number

    • D. 

      Straight line

  • 6. 
    A vector in 2-dimensions can be broken down into horizontal and vertical ___________ vectors.
    • A. 

      Component

    • B. 

      Scalar

    • C. 

      Uneven

    • D. 

      Equivalent

  • 7. 
    What is the vertical component of velocity of an object moving at 5 m/s at an angle of 30 degrees above the ground?
    • A. 

      5 sin 30 m/s

    • B. 

      5 cos 30 m/s

    • C. 

      30 cos 5 m/s

    • D. 

      30 sin 5 m/s

  • 8. 
    If we ignore air resistance, we usually say that the horizontal component of acceleration of a projectile is ___________.
    • A. 

      Variable

    • B. 

      Equal to the vertical component of acceleration

    • C. 

      Constant

    • D. 

      0

  • 9. 
    If we ignore air resistance, the vertical component of acceleration of a projectile is _________________.
    • A. 

      -9.8 m/s^2

    • B. 

      0

    • C. 

      Variable

    • D. 

      Constantly increasing

  • 10. 
    If your initial velocity does not change, which launch angle will result in the greatest horizontal displacement of a projectile?
    • A. 

      0 degrees

    • B. 

      30 degrees

    • C. 

      45 degrees

    • D. 

      90 degrees (straight up)