Choose the best answer

  1. A physical quantity that represents change in
    position is called
    1. speed
    2. position
    3. displacement
    4. velocity
    5. distance
    Answer: C

  2. The SI unit of measurement for acceleration is
    1. meter * second 2
    2. meter 2 ⁄ second 2
    3. meter ⁄ second 2
    4. meter * second
    5. meter ⁄ second
    Answer: C

  3. Average acceleration between two events can be
    obtained from a graph of
    1. velocity versus time as the area enclosed
      between the velocity versus time curve and the time axis
    2. velocity versus position as the slope of the line
      joining the two events
    3. velocity versus time as the slope of the line
      joining the two events
    4. acceleration versus time as the slope of the
      line joining the two events
    5. position versus time as the slope of the line
      joining the two events
    Answer: C

  4. Consider the number line shown. Each unit is 1 cm.

    Assuming the reference point is fixed at point C,
    obtain the positions of points A, E, and H respectively.
    1. -3 cm, 1 cm, and 4 cm
    2. 0 cm, 4 cm, and 7 cm
    3. 2 cm, 2 cm, and 5 cm
    4. 3 cm, 1 cm, and 4 cm
    5. -2 cm, 2 cm, and 5 cm
    Answer: E

  5. Consider the number line shown. Each unit is 1 cm.

    Particle 1 is displaced from point H to point E and particle 2 is displaced from point C to point A.
    The displacements of particles 1 and 2 respectively are
    1. 2 cm, 1 cm
    2. -2 cm, -1 cm
    3. -3 cm, 2 cm
    4. 3 cm, 2 cm
    5. -3 cm, -2 cm
    Answer: E

  6. Calculate the average velocity of a particle displaced from the point x = -10 cm to to the point
    x = 9 cm in 8 seconds.
    1. 0.865 cm ⁄ s
    2. 4.286 cm ⁄ s
    3. 2.375 cm ⁄ s
    4. 3.865 cm ⁄ s
    5. 2.813 cm ⁄ s
    Answer: C

  7. A particle is displaced from the point x = 7.332 cm to
    the point x = 19.764 cm. And then it is displaced back to the point 2.765 cm.
    Determine its displacement and the distance it travelled respectively.
    1. -4.567 cm, 29.431 cm
    2. -8.291 cm, 29.431 cm
    3. -4.567 cm, 33.116 cm
    4. -6.957 cm, 17.364 cm
    5. -8.291 cm, 33.116 cm
    Answer: A

  8. A particle is displaced from the point x = 7 cm to
    the point x = 20 cm in 5 seconds. And then it is displaced back to the point 8 cm in 3.33 seconds.
    Calculate its average velocity and its average speed respectively.
    1. 0.078 cm ⁄ s, 3.001 cm ⁄ s
    2. 0.078 cm ⁄ s, 3.986 cm ⁄ s
    3. 0.12 cm ⁄ s, 3.001 cm ⁄ s
    4. 0.132 cm ⁄ s, 0.47 cm ⁄ s
    5. 0.12 cm ⁄ s, 3.986 cm ⁄ s
    Answer: C

  9. The following is the graph of position versus time for a certain particle.



    Calculate the average velocity between the third and the ninth seconds.
    1. -0.75 m ⁄ s
    2. -0.333 m ⁄ s
    3. 1.333 m ⁄ s
    4. -1.333 m ⁄ s
    5. 0.75 m ⁄ s
    Answer: D

  10. The following is the graph of position versus time for a certain particle.



    On what interval(s) of time is it moving to the left.
    1. 0-2 s, 4-8 s, and 10-14 s
    2. 0-2 s, and 10-14 s
    3. 0-8 s
    4. 4-8 s
    5. 10-14 s
    Answer: D

  11. The following is the graph of position versus time for a certain particle.



    Calculate the instantaneous velocity after 12 seconds.
    1. 0 m ⁄ s
    2. 3 m ⁄ s
    3. 1 m ⁄ s
    4. 2 m ⁄ s
    5. -2 m ⁄ s
    Answer: C

  12. The following is the graph of velocity versus time for a certain particle.



    Calculate its average acceleration for the entire trip.
    1. -4.32 m ⁄ s 2
    2. 0.286 m ⁄ s 2
    3. 0 m ⁄ s 2
    4. 0.197 m ⁄ s 2
    5. 3.5 m ⁄ s 2
    Answer: B

  13. The following is a graph of velocity versus time for a certain particle.



    Calculate its displacement between the 6 th and 8 th seconds.
    1. 4 m
    2. 8 m
    3. 5 m
    4. 3 m
    5. 6 m
    Answer: A