Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Physicists call speed with direction:
a. | distance. | b. | displacement. | c. | velocity. | d. | acceleration. |
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2.
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The “steepness” of a line on a graph, the ratio of the rise to the
run, is called the:
a. | origin. | b. | slope. | c. | axis. | d. | position. |
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3.
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The rate at which velocity changes is called:
a. | speed. | b. | displacement. | c. | acceleration. | d. | position. |
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4.
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A racecar rounds a curve on the track at a constant speed of 180 mph. While
maintaining a constant speed, the car is actually accelerating because a change is taking place in
the:
a. | distance. | b. | time. | c. | direction. | d. | mass. |
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5.
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A rock is dropped from a cliff. After falling for 4 seconds, its speed will be
approximately:
a. | 10 m/s | b. | 20 m/s | c. | 30
m/s | d. | 40 m/s |
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6.
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The force of gravity on an object is called:
a. | mass. | b. | inertia. | c. | weight. | d. | volume. |
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7.
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A unit of measurement used to indicate force is the:
a. | newton. | b. | gram. | c. | meter. | d. | scalar. |
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8.
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Jane’s weight on the Moon would be less than her weight on Earth
because:
a. | she has less mass on the Moon than on Earth. | b. | there is no
atmosphere on the Moon. | c. | the Moon has less mass than
Earth. | d. | the radius of the Moon is greater than the radius of
Earth. |
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9.
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Frank’s mass has been measured as 60 kilograms. On the
Moon, his mass would be:
a. | 10 kg | b. | 60 kg | c. | 100
kg | d. | 600 kg |
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10.
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A force that always tends to slow the motion of an object on a surface
is:
a. | mass. | b. | weight. | c. | friction. | d. | inertia. |
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