Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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The SI unit that is used to measure time is the ____.
a. | kelvin | c. | second | b. | kilogram | d. | meter |
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2.
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The variable plotted on the horizontal or x-axis is called the
____.
a. | dependent variable | c. | variable with the largest range | b. | independent
variable | d. | variable with the
smallest range |
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3.
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A merry-go-round horse moves at a constant speed but at a changing ____.
a. | velocity | c. | inertia | b. | balanced force | d. | unbalanced
force |
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4.
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If you ride your bike up a hill, then ride down the other side, your
acceleration is ____.
a. | all positive | c. | first positive, then negative | b. | all
negative | d. | first negative,
then positive |
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5.
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The equation used to find acceleration is a = ____.
a. | vf – vi/t | c. | vi –
vf /t | b. | v/t | d. | vi +
vf/t |
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6.
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Which of the following explains the difference between speed and
velocity?
a. | Velocity has motion, and speed does not. | b. | Velocity has
direction, and speed does not. | c. | Velocity involves time, and speed does
not. | d. | Velocity involves acceleration, and speed does not. |
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7.
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When the net forces equal 0 N, they are which of the following?
a. | balanced | c. | a push | b. | unbalanced | d. | a pull |
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8.
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A driver of an SUV drives past a jogger on the subdivision walking path.
Relative to the jogger, the SUV is traveling 15 m/s. What is the reference point in this
situation?
a. | the SUV | c. | the path on which the jogger is jogging | b. | the
jogger | d. | the road on which
the SUV is traveling |
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Use the graph below to answer the following
question.
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9.
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The graph shows distance traveled during a bicycle race. Because the upward
slope on the graph is straight and objects do not normally travel at a constant rate, what does it
MOST likely represent?
a. | average acceleration | c. | average speed | b. | actual acceleration | d. | actual speed |
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Use the graph below to answer the following
question.
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10.
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This is a graph of a roller coaster car moving up a hill. What does the straight
upward slope on the graph show?
a. | positive velocity | c. | positive acceleration | b. | negative
velocity | d. | negative
acceleration |
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Matching
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Match each item with the correct statement below. a. | milli- | g. | kilogram | b. | kilo- | h. | cubic centimeter | c. | centi- | i. | meter | d. | mass | j. | dependent variable | e. | kelvin | k. | SI | f. | second |
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11.
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amount of material in an object
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12.
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SI unit of time
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13.
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SI unit of length
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14.
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SI prefix meaning 0.001
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15.
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worldwide system of measurement
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16.
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SI prefix meaning 1,000
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17.
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plotted on the vertical or y-axis
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18.
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SI unit of temperature
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19.
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SI unit of mass
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20.
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SI prefix meaning 0.01
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21.
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derived unit of volume
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Short Answer
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Convert the following.
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22.
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200 m = ____________ km
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23.
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1.2 L = ____________ mL
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24.
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0 K = ____________ °C
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25.
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12 cm3 = ____________ mL
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26.
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10°C = ____________ K
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27.
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1 L = ____________ cm3
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28.
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124 mm = ____________ cm
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29.
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12,000 mg = ____________ g
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Concept Review
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30.
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A car travels west for 240 km in 4 h. What is the car’s velocity?
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Use Figures 1a and 1b to answer the questions below. | Figure
1a | Figure 1b |  | | |
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31.
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Describe the motion of a car as shown by the distance-time graph in Figure
1a.
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32.
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Describe the motion of a biker as shown by the velocity-time graph in Figure
1b.
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Applying Concepts
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33.
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A science book is moved once around the perimeter of a table with the dimensions
1 m by 3 m. If the book ends up at its original position,
a. what is
its distance traveled?
b. what is its displacement?
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34.
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A car goes from 16 m/s to 2 m/s in 3.5 s. What is the car’s
acceleration?
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Completion
Complete each
statement.
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35.
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Another name for Newton’s first law of motion is the law of
____________________.
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36.
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The velocity of an object must have both a ____________________ and a
____________________.
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37.
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The equation s = d/t is used to calculate the ____________________ of an
object.
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38.
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In the equation used to calculate acceleration, vi stands for
____________________ and vf stands for ____________________.
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39.
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A net ____________________ is necessary for an object to change its
motion.
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40.
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A freight train has more ____________________ than a car, so it has greater
inertia.
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41.
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If two people push on an object between them with equal force but in opposing
directions, the net force is ____________________.
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42.
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In the equation a = (Vf –
Vi)/t, Vf stands for _________________________.
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