Physics Test 11B
 
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Physics Test 11B

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Which is not an example of sliding friction?
a.
ice skating on a frozen pond
c.
rolling a ball across a desk
b.
taking notes with a pencil
d.
pushing a book across a table
 

 2. 

In order to increase a car’s speed, the force pushing it forward must be
a.
a negative force.
c.
fundamental friction.
b.
rolling friction.
d.
kinetic friction.
 

 3. 

The friction between objects that are stationary is called
a.
static friction.
c.
fundamental friction.
b.
rolling friction.
d.
kinetic friction.
 

 4. 

Which is an example of helpful friction?
a.
wearing batting gloves
c.
applying the brakes on a car
b.
sprinkling sand on an icy road
d.
All of the above
 

 5. 

Which of the following requires friction?
a.
cleaning a pan
c.
skiing
b.
writing a letter
d.
All of the above
 

 6. 

Using lubricants on engine parts is an example of reducing
a.
force.
c.
acceleration.
b.
friction.
d.
motion.
 

 7. 

The distance traveled by an object divided by the time it takes to travel that distance is called
a.
average velocity.
c.
average acceleration.
b.
average speed.
d.
negative acceleration.
 

 8. 

On a distance vs. time graph, the line of an object at rest is a
a.
curved line with a slope of zero.
c.
jagged line with a negative slope.
b.
flat line with a slope of zero.
d.
curved line with a positive slope.
 

 9. 

The difference between speed and velocity is that velocity includes
a.
direction.
c.
time.
b.
distance.
d.
weight.
 

 10. 

An example of helpful friction is
a.
car tires wearing out.
c.
writing on paper with a pen.
b.
getting holes in your socks.
d.
scraping your knee on the floor.
 

 11. 

Friction is defined as the
a.
force that opposes motion between two surfaces that are touching.
b.
rate at which velocity changes.
c.
resistance of an object to a change in its velocity.
d.
speed of an object in a particular direction.
 

 12. 

An object is in motion when
a.
the net force acting on the object is zero.
b.
friction occurs.
c.
the object’s displacement is greater than the distance traveled.
d.
the object changes position relative to a frame of reference.
 

 13. 

Force is a quantity made up of
a.
weight and speed.
c.
time and acceleration.
b.
magnitude and direction.
d.
mass and velocity.
 

 14. 

Which is an example of balanced forces acting on an object?
a.
a kangaroo jumping
c.
a car turning a corner
b.
a car turning a corner
d.
a person pushing a sofa
 

 15. 

Acceleration is defined as the change in velocity divided by
a.
speed.
c.
time.
b.
final velocity.
d.
distance.
 

 16. 

Which is an example of kinetic friction?
a.
friction between a car’s windshield and the air as you drive into the wind
b.
friction between your shoes and the ground when you stand still
c.
friction between a sticky note and the page of a book as it marks your place
d.
friction between your skin and a pencil as it rests in your palm
 

 17. 

In order to determine speed, you must know
a.
only time.
c.
both time and distance.
b.
only distance.
d.
neither time nor distance.
 

 18. 

An airplane is flying at 635 mi/h at an altitude of 35,000 ft. It is currently over Kansas and is approximately 16 min ahead of its scheduled arrival time. What is its velocity?
a.
635 mi/h
b.
16 mi/min
c.
35,000 ft/s
d.
This cannot be determined without further information about its direction.
 

 19. 

Which of the following does not indicate velocity?
a.
14 ft/s SSE
b.
40 mi/h toward the town square along the main street
c.
80 km/h going from New York toward New Jersey
d.
28 miles from Los Angeles to Catalina Island
 

 20. 

When an object slows down, its acceleration is
a.
positive.
c.
negative.
b.
centripetal.
d.
constant.
 

 21. 

If the net force acting on a stationary object is zero, then the object will
a.
accelerate in the direction of the strongest force.
b.
remain at rest.
c.
begin moving backwards.
d.
decelerate at a steady rate of speed.
 

 22. 

Displacement
a.
must be in a particular direction.
b.
is the change in position of an object.
c.
must be a straight line.
d.
All of the above
 

 23. 

The force of gravity, the electromagnetic force, the strong nuclear force, and the weak nuclear force are considered
a.
centripetal forces.
c.
resultant forces.
b.
frames of reference.
d.
fundamental forces.
 

 24. 

On a speed vs. time graph, constant acceleration is represented by a
a.
straight line.
c.
jagged line.
b.
slightly sloped line.
d.
steeply sloped line.
 

 25. 

The friction between the bristles of your toothbrush and the surfaces of your teeth is an example of
a.
rolling friction.
c.
helpful friction.
b.
static friction.
d.
All of the above
 

 26. 

Which straight-line acceleration indicates an increase in speed?
a.
0 m/s2
c.
4 m/s2
b.
–15 m/s2
d.
All of the above
 

Matching
 
 
a.
constant
h.
zero
b.
direction
i.
kinetic or sliding
c.
average speed
j.
force
d.
independent
k.
meter
e.
slope
l.
meter/sec
f.
displacement
m.
dependent
g.
net force
n.
kg
 

 27. 

What is the SI Unit for mass?
 

 28. 

Which variable is plotted on the Y axis (horizontal)?
 

 29. 

What is the SI unit for length?
 

 30. 

What are the SI units for speed or velocity?
 

 31. 

Force is a quantity made up of magnitude and ____________________.
 

 32. 

When an object covers equal distances in equal amounts of time, it is moving at a(n) ____________________ speed.
 

 33. 

Because the speed of an object can change from one instant to the next, dividing the total distance covered by the time of travel gives _________________________.
 

 34. 

The friction between the bristles of your toothbrush and the surfaces of your teeth is an example of ____________________ friction.
 

 35. 

On a distance-time graph, time is usually the ____________________ variable.
 

 36. 

The change in the position of an object is called ____________________.
 

 37. 

Acceleration can be determined from a velocity vs. time graph by calculating the line’s ____________________.
 

 38. 

The combination of all forces acting on an object is the _________________________.
 

 39. 

When the net force on an object is greater than ____________________, the object will accelerate in the direction of the greater force.
 

 40. 

An action exerted on a body to change its state of rest or motion is a(n) ____________________.
 



 
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