Multiple ChoiceIdentify the choice that best completes the
statement or answers the question. Make sure you bubble you answer sheet completely. Do
not write on this test. Do all of your scratch work in the space provided on the bottom of you
answer sheet.


1

If a freely falling object were somehow equipped with a speedometer, its speed
reading would increase each second by
a.  a rate that depends on its initial speed.  b.  a variable
amount.  c.  about 15 m/s.  d.  about 10 m/s.  e.  about 5
m/s. 


2

Speed is
a.  always measured in terms of a unit of distance divided by a unit of
time.  b.  a measure of how fast something is moving.  c.  the distance covered
per unit time.  d.  all of the above.  e.  none of the
above. 


3

Suppose you take a trip that covers 240 km and takes 6 hours to make. Your
average speed is
a.  40 km/h.  b.  20 km/h.  c.  480
km/h.  d.  240 km/h.  e.  1440 km/h. 


4

When you look at the speedometer in a moving car, you can see the car's
a.  average speed.  b.  instantaneous speed.  c.  average
acceleration.  d.  instantaneous acceleration.  e.  average distance
traveled. 


5

In the graph below, which runner started out the fastest?
a.  Bob  b.  Both Albert and Bob  c.  Albert  d.  Charlie 


6

If you drop a feather and a coin at the same time in a vacuum tube, which will
reach the bottom of the tube first?
a.  The coin  b.  Neitherthey will both reach the bottom at the
same time.  c.  The feather 


7

Acceleration is defined as
a.  the rate at which an object freely falls from rest  b.  the distance an
object has fallen  c.  the rate at which distance is
covered  d.  the rate at which velocity itself changes 


8

In order for an moving object to have a constant velocity, the object
must
a.  move with a constant speed  b.  move in a straight line  c.  both a and
c 


9

What are the units for acceleration?
a.  m/s  b.  m^{2}/s  c.  m/s^{2}  d.  m^{2}/s^{2} 


10

Suppose you are in a car that is going around a curve. The speedometer reads a
constant 30 miles per hour. Which of the following is NOT true?
a.  Your speed is constant.  b.  Your acceleration is constantly
changing.  c.  Your velocity is constant.  d.  You and the car are
accelerating.  e.  Your direction is constantly changing. 


11

When you look at the speedometer in a moving car, you can see the
car's
a.  average distance traveled.  b.  instantaneous acceleration.  c.  instantaneous
speed.  d.  average speed. 


12

A minivan starts from rest and after 7 seconds it is moving at 42 m/s. What is
the minivan’s average acceleration?
a.  0.17 m/s^{2}  b.  7 m/s^{2}  c.  6
m/s^{2}  d.  1.67 m/s^{2}  e.  none of the
above 


13

An object moves away from a motion detector with a
constant speed. Which graph best represents the motion of the object?


14

Acceleration is defined as the CHANGE in
a.  velocity divided by the time interval.  b.  velocity of an object.  c.  distance divided by
the time interval.  d.  time it takes to move from one speed to another
speed.  e.  time it takes to move from one place to another
place. 


15

Suppose you take a trip that covers 180 km and takes 3 hours to make. Your
average speed is
a.  360 km/h.  b.  30 km/h.  c.  60
km/h.  d.  180 km/h. 


16

If you drop a feather and a coin at the same time in a tube filled with air,
which will reach the bottom of the tube first?
a.  The feather  b.  The coin  c.  Neither—they
will both reach the bottom at the same time. 


17

A vector is a quantity that has
a.  magnitude and direction.  b.  magnitude and time.  c.  time and
direction.  d.  none of the above 


18

In the absence of air resistance, objects fall at constant
a.  acceleration.  b.  distances each successive
second.  c.  speed.  d.  velocity.  e.  all of the
above 


19

A ball is thrown straight up and then falls straight back down. When it attains
maximum height, the ball’s velocity is
a.  equal to its displacement divided by the time.  b.  at its
minimum.  c.  equal to its displacement.  d.  at its maximum. 


20

When something falls to the ground, it accelerates. This acceleration is called
the acceleration due to gravity and is symbolized by the letter g. What is the value of
g on Earth's surface?
a.  about 50 m/s^{2}  b.  0 m/s^{2}  c.  about 20
m/s^{2}  d.  about 5 m/s^{2}  e.  about 10 m/s^{2}



21

A train travels 5 meters in the first second of travel, 5 meters again during
the second second of travel, and 5 meters again during the third second. Its acceleration is
a.  15 m/s^{2}.  b.  10 m/s^{2}.  c.  5
m/s^{2}.  d.  0 m/s^{2}.  e.  none of the
above 


22

A freely falling object starts from rest. After falling for 15 seconds, it will
have a speed of about
a.  75 m/s.  b.  more than 750 m/s.  c.  150
m/s.  d.  15 m/s.  e.  750 m/s. 


23

What are the units for velocity?
a.  m/s  c.  m/s^{2}  b.  m^{2}/s  d.  m^{2}/s^{2} 


24

A bike travels at a constant speed of 5 m/s for 10 seconds. How far did it
travel?
a.  50 meters  b.  500 meters  c.  0.5
meters  d.  5 meters 


25

As an object falls freely in a vacuum, its
a.  velocity increases.  b.  acceleration increases.  c.  both A and B.
 d.  none of the above. 


26

A bike travels at a constant speed of 5 m/s for 10 seconds. How far did it
travel?
a.  5 meters  b.  500 meters  c.  0.5
meters  d.  50 meters 


27

A ball is thrown straight up. At the top of its path its instantaneous speed is
a.  0 m/s.  b.  about 10 m/s.  c.  about 5
m/s.  d.  about 20 m/s.  e.  about 50 m/s. 


28

A ball is thrown upwards and caught when it comes back down. In the absence of
air resistance, the speed of the ball when caught would be
a.  less than the speed it had when thrown upwards.  b.  more than the speed
it had when thrown upwards.  c.  the same as the speed it had when thrown
upwards. 


29

A freely falling object starts from rest. After falling for 2.5 seconds, it will
have a speed of about
a.  12.5 m/s.  b.  100 m/s.  c.  25
m/s.  d.  50 m/s.  e.  none of the
above 


30

A ball is thrown upwards and caught when it comes back down. In the absence of
air resistance, the speed of the ball when caught would be
a.  less than the speed it had when thrown upwards.  b.  it would not come
back down if there were no air resistance  c.  more than the speed it had when thrown
upwards.  d.  the same as the speed it had when thrown upwards. 
