Completion
Complete each sentence or
statement.
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1.
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____________________ is a measure of how far an object has moved.
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2.
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The
distance an object travels per unit of time is ____________________.
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3.
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The
slope of the distance-time graph gives the ____________________.
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4.
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Acceleration occurs when an object changes its ____________________ or
____________________ or both.
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5.
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An
object changing its speed from 10 m/s to 3 m/s is undergoing ____________________
acceleration.
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6.
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As a
car slows down approaching a red traffic light its ____________________ is negative.
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7.
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When
calculating acceleration, to find the change in velocity, you subtract the ____________________
velocity from the ____________________ velocity.
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8.
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If
the forces acting on an object at rest are ____________________, the object will remain at
rest.
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9.
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At
the same speed, a bowling ball is harder to stop than a soccer ball because the bowling ball has
greater ____________________.
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10.
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In
the equation a = (Vf – Vi)/t,
Vf stands for ____________________.
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Short Answer
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11.
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Two
cars are traveling along the same road at the same speed but at different velocities.
Explain.
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12.
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A car
has an acceleration of –5 m/s2. Describe the car’s motion.
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13.
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State
Newton’s first law of motion.
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14.
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If
you are running and you stub your toe, you fall forward. Explain.
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15.
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Why
is it necessary to wear a seat belt to hold you in place if you are riding in a car that stops
suddenly?
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