

1.

To specify the position of an object, you need to know
A.  its motion.  B.  a reference point.  C.  its
speed.  D.  a unit of measurement. 


2.

A person on a moving train sees a car that appears to be stopped. A person
outside the train sees both the car and the train moving. This example shows
A.  a unit of measurement.  B.  changing speed.  C.  relative
motion.  D.  measurement of distance. 


3.

Which tells you how quickly an object changes position?
A.  direction  B.  relative motion  C.  speed  D.  observation 


4.

To find the speed of an object in motion, you need to measure
A.  time and direction.  B.  distance and direction.  C.  time and
velocity.  D.  distance and time. 


5.

One example of a vector is
A.  velocity.  B.  speed.  C.  distance.  D.  position. 


6.

A flat, or horizontal, line on a distancetime graph means that the speed
is
A.  increasing.  B.  decreasing.  C.  higher than
average.  D.  zero. 


7.

Motion is a change in
A.  position over time.  B.  speed over time.  C.  velocity over
time.  D.  acceleration over time. 


8.

Elena is riding her bicycle. She begins pedaling harder. What do you predict
will happen?
A.  Her velocity will decrease.  B.  Her acceleration will
decrease.  C.  Her speed will increase.  D.  Her position will not
change. 


9.

Speed in a specific direction is
A.  acceleration.  B.  distance.  C.  position.  D.  velocity. 


10.

Which statement is TRUE of momentum?
A.  The momentum of an object is the product of mass times
acceleration.  B.  Momentum is a measure of mass in motion.  C.  Momentum is another
name for inertia.  D.  The unit for momentum is the kilogrammeter per
newton. 


11.

Sara walked north at 100 m/s. Han had a different velocity but the same speed.
He could have walked
A.  north at 200 m/s  B.  south at 50 m/s  C.  west at 100
m/s  D.  north at 100 m/s 


12.

Jess drives at a steady velocity. Her acceleration is
A.  equal to zero.  B.  in the same direction as her
motion.  C.  opposite to her motion.  D.  at a right angle to her
motion. 


13.

On a velocitytime graph, a line that is slanted down from left to right
shows
A.  negative acceleration.  B.  positive acceleration.  C.  zero
acceleration.  D.  steady acceleration. 


14.

Drew watches a car that appears to be moving forward. Which of the following
could be true?
A.  Drew is in another car moving backward.  B.  The other car is
moving backward relative to Drew.  C.  Drew is in a car moving forward relative to the
other car.  D.  The other car is moving sideways with respect to
Drew. 



Use the graph below to answer the questions
15  17.


15.

What is the average speed of the object traveling?
A.  0 m/s  B.  0.6 m/s  C.  1.5
m/s  D.  6.0 m/s 


16.

What happens to the object between the 30  40 second interval?
A.  the object stops  B.  the object slows down  C.  the object speeds
up  D.  the object changes direction 


17.

When is the object’s speed the greatest?
A.  between the 0  10 second interval  B.  between the 20  30 second
interval  C.  between the 30  40 second interval  D.  between the 50  60 second
interval 


18.

If momentum is conserved, then the total momentum after a collision is equal
to
A.  the total momentum before the collision.  B.  the total force
before the collision.  C.  the momentum of the more massive
object.  D.  the momentum of the faster object. 


19.

Which is an example of zero acceleration?
A.  a school bus coming to a stop  B.  an ice hockey player turning
around  C.  a person walking on a treadmill at a steady rate  D.  an airplane speeding
up along a runway 


20.

Melanie is accelerating as she skates on the ice. However, the speed at which
she is skating has not changed. A possible explanation for this is that Melanie
A.  is skating in a wide circle.  B.  is skating in a straight
line.  C.  has reached the top speed at which she can skate.  D.  has stopped skating
and is now standing still. 


21.

Roger observed an airplane flying overhead. He measured its speed and noted that
it moved from north to south. Roger determined the plane's
A.  acceleration  B.  distance  C.  position  D.  velocity 


22.

On a roller coaster, the cars first climb a hill at a decreasing speed. Then the
cars speed up as they go down the hill, before coasting at a steady speed on a straight track.
Finally, the cars slow down as the ride ends. The cars have zero acceleration while
A.  climbing the hill.  B.  descending the hill.  C.  coasting on the
straight track.  D.  near the end of the track. 



Use the table below to answer questions 23 and
24.


23.

Both Car A and Car B have the same rate of acceleration during the 40  60
second interval. What is their rate of acceleration during this period?
A.  0.25 m/s²  B.  0.5 m/s²  C.  0.25
m/s²  D.  0.5 m/s² 


24.

What is Car A’s acceleration during the 60  80 second interval?
A.  0.25 m/s²  B.  0.5 m/s²  C.  0.25
m/s²  D.  0.5 m/s² 


25.

A small SUV that has a mass of 1,486 kg travels east, at a velocity of 35
m/s? What is the vehicle’s momentum?
A.  0 kg·m/s  B.  0.2 kg·m/s  C.  42.5
kg·m/s  D.  52,010 kg·m/s 
