Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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Speed
is the rate of change in ____. a. | velocity | c. | direction | b. | time | d. | distance | | | | |
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2.
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To
describe velocity you need to know ____. a. | speed and direction | c. | direction and acceleration | b. | speed and
time | d. | speed and
acceleration | | | | |
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3.
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Acceleration is a change in ____. a. | speed | c. | displacement | b. | velocity | d. | position | | | | |
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4.
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On
the speed-time graph above, which letter above represents constant speed?
a. | A | c. | C | b. | B | d. | none of the above | | | | |
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5.
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Inertia ____. a. | depends on direction | c. | resists a change in motion of an
object | b. | depends on momentum | d. | both a and b | | | | |
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6.
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If
you exert a force on an object in motion you will change its ____. a. | mass | c. | inertia | b. | weight | d. | momentum | | | | |
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7.
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The
distance traveled divided by the time taken to travel the distance is ____. a. | average
speed | c. | momentum | b. | mass | d. | speed | | | | |
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8.
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The
speed of an object at one instant of time is the object’s _________________. a. | average
speed | c. | velocity | b. | instantaneous speed | d. | momentum | | | | |
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9.
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According to the Law of conservation of _________________, the total momentum of
objects that collide is the same before and after the collision. a. | momentum | c. | speed | b. | mass | d. | velocity | | | | |
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10.
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Momentum is a measure of ____. a. | how hard it is to stop an object | b. | the amount of
matter in an object | c. | the tendency of an object to change its
motion | d. | the amount of force acting on an
object | | |
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