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Honors Physics Final Exam Review 20-21

Total questions: 135

Worksheet time: 3hrs 17mins

Name
Class
Date
1.

The net force on an object is the combination of all forces that act on it.

a)

True

b)

False

2.

An object can be in equilibrium whether it is at rest or moving steadily at constant speed in a straight line.

a)

True

b)

False

3.

A scalar quantity has both magnitude and direction, whereas a vector quantity is described by only its direction.

a)

True

b)

False

4.

An airplane in an acrobatic loop-the-loop maneuver is in dynamic equilibrium if the speed is constant.

a)

True

b)

False

5.

When your textbook is at rest on your desk, there are no forces acting on it.

a)

True

b)

False

6.

Suzie holds an apple at rest in her outstretched hand. The force she applies in holding it still

a)

equals the weight of the apple.

b)

is slightly more than the weight of the apple.

c)

is slightly less than the weight of the apple.

d)

is zero, until she drops the apple.

7.

A pair of parallel forces of 8 N and 12 N can have a resultant of

a)

4 N

b)

20 N

c)

either (a) or (b)

d)

neither (a) nor (b)

8.

The number of forces that act on a bag of sugar suspended by a weighing scale are

a)

one

b)

two

c)

three

d)

none

9.

The equilibrium rule (below) applies to
 ∑F=0\sum_{ }^{ }F=0  

a)

objects or systems at rest.

b)

objects or systems in uniform motion in a straight line.

c)

both (a) and (b)

d)

neither (a) nor (b)

10.

10. The equilibrium rule (below) applies to
 ∑F=0\sum_{ }^{ }F=0  

a)

vector quantities

b)

scalar quantities

c)

both (a) and (b)

d)

neither (a) nor (b)

11.

When you press a coiled spring downward, the spring presses upward on your hand with

a)

a smaller amount of force.

b)

the same amount of force.

c)

a greater amount of force

d)

It can't be determined from the information given

12.

When you stand on two bathroom scales, one foot on each scale with weight evenly distributed, each scale will read

a)

your weight

b)

half your weight

c)

zero

d)

double your weight

13.

When Nellie Newton hangs by a pair of vertical ropes, the tension in each rope will be

a)

less than half her weight.

b)

half her weight.

c)

more than half her weight.

d)

equal to her weight.

14.

Newton's 1st Law is also called the Law of ...

a)

Friction

b)

Inertia

c)

Unbalanced forces

d)

Newtons

15.
An object in motion tends to stay in motion unless an ___ force acts on it.
a)
unbalanced
b)
balanced
16.
The tendency of an object to resist a change in motion is...
a)
inertia
b)
kinetic energy
c)
vector
d)
net force
17.
Objects with greater _________ also have greater inertia.
a)
speed
b)
mass
c)
temperature
d)
friction
18.
The law of inertia (Newton’s First Law) applies
a)
to both moving and nonmoving objects
b)
only to moving objects
c)
only to objects that are not moving
19.

Because of inertia, a moving object will keep ________ unless acted on by an unbalanced force.

a)

at rest

b)

moving

c)

in one spot

d)

inertia

20.
Because of inertia, a resting object will remain at ________.
a)
rest
b)
a constant speed
c)
school
d)
inertia 
21.
What kind(s) of objects have inertia?
a)
all objects with mass
b)
only objects at rest
c)
only objects in motion
d)
only objects whose motion is being changed
22.
You push on a car and it does not move.  What is true about the inertia?
a)
The inertia is changing
b)
The inertia of the car is too great 
c)
The inertia of the person is equal to the car
d)
There is not inertia because of no movement
23.
Galileo found that a ball rolling down one inclined plane would roll how far up another inclined plane? 
a)
The ball would not rull up the other plane at all. 
b)
to nearly the original height
c)
to nearly twice the original height. 
d)
to nearly half it original height
24.

One object has twice as much mass as another object. The first object also has also twice as much...

a)

velocity

b)

gravitational acceleration

c)

inertia

d)

all of these

25.
If a hockey puck slides on a frictionless force it will eventually slow down because of its inertia.
a)
True
b)
False
26.

Friction is a force that acts

a)

in the same direction as the motion

b)

opposite to the direction of the motion

c)

opposite to the applied forces

d)

the same direction as the applied force

27.
What is the unit of measurement for force?
a)
kilograms
b)
newtons
c)
grams
d)
newt
28.
What is the net force on an object?
a)
the sum of all the forces on an object
b)
the negative forces on an object
29.
Which has more Inertia? 
a)
Truck
b)
Ant
c)
A cat
d)
A skateboard
30.
The amount of inertia an object has depends on its 
a)
speed
b)
volume
c)
mass
d)
length
31.
If equal forces are applied to an object that has a mass of 35g and an object with a mass of 40g, which object is going to accelerate the most?
a)
the 35g object
b)
the 40g object
c)
they will accelerate the same amount
d)
neither object will accelerate
32.
The amount of matter in an object is called its weight.
a)
True
b)
False
33.
The SI unit of weight is called a kilogram.
a)
True
b)
False
34.
Inertia is the reluctance any material object has to change its state of motion.
a)
True
b)
False
35.
The combination of all forces that act on an object is called the net force.
a)
True
b)
False
36.
The astronomer Copernicus was the first person to publicly state that the Earth:
a)
is the center of the solar system
b)
revolves around the Sun
c)
does not move
d)
moves in a straight line
37.
Whirl a rock at the end of a string and it follows a circular path. If the string breaks the tendency of the rock is to: 
a)
follow a spiral path
b)
continue to follow a circular path
c)
follow a straight path
38.
Galileo found that a ball rolling down one inclined plane who would roll how far up another inclined plane?
a)
to nearly twice the height from where it originally started
b)
to nearly the same height as where it originally started
c)
to nearly half its original height
d)
to nearly a quarter of its original height
39.
The law of inertia applies to:
a)
moving objects
b)
objects at rest
c)
both moving and non-moving objects
40.
The law of inertia states that an object
a)
at rest will remain at rest unless acted upon by an outside force
b)
will continue moving at the same velocity unless an outside force acts upon it
c)
will continue moving in a straight line unless an oustide force acts upon it
d)
all of the above
41.
After a cannonball is fired into a frictionless space, the amount of force required to keep it going is 
a)
twice the force with which it was fired
b)
the same amount of force with which it was fired
c)
one half the force with which it was fired
d)
zero, since no force is necessary to keep it moving
42.
Which one has more mass a kilogram of feathers or a kilogram of iron?
a)
a kilogram of feathers
b)
a kilogram of iron
c)
both have same amount of mass
43.
A 10 N force and a 30 N force act on an object in opposite directions. What is the net force on the object?
a)
40 N
b)
30 N
c)
20 N
d)
10 N
44.
Calculate the speed of the object using this graph.
a)
Speed = 5 m/s
b)
Speed = 50 m/s
c)
Speed = 2 m/s
d)
Speed = 3 m/s
45.
Which graph represents the greatest acceleration?
a)
A
b)
B
c)
C
d)
D
46.
A drag racer accelerated from 0 m/s to 200 m/s in 5 s.  What was the acceleration?
a)
0 m/s
b)
40 m/s2
c)
-40 m/s2
d)
40 m/s
47.
Acceleration only takes place when things speed up. 
a)
True
b)
False
48.
Suppose you take a trip that covers 180km in 3 hours. Your average speed is...
a)
30km/hr
b)
360km/hr
c)
180 km/hr
d)
60km/hr
49.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
50.
Which is correct?
a)
speed = distance x time
b)
speed = speed divided time
c)
speed = Distance divide time
d)
Speed = time x speed
51.
On a distance-versus-time graph, a straight line ALWAYS indicates that an object’s speed is _____.
a)
constant
b)
zero
c)
increasing
d)
decreasing
52.
Does the speedometer of a car read average speed or instantaneous speed?
a)
average speed
b)
instantaneous speed
53.
What is average speed?
a)
distance divided by time
b)
total distance divided by total time
c)
speed divided by time
d)
total speed divided by time
54.
When a car goes around a corner at 20 mph, why do we say it  accelerates?
a)
The car is accelerating because of the velocity is constant
b)
The car accelerates because it's going 20 mph
c)
Cars always accelerate when they are in motion
d)
The car is accelerating because it's changing direction
55.
What is the formula to calculate speed?
a)
S = t/d
b)
S = d/t
c)
S = d x t
d)
S = t x d
56.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
d)
the change in the location of a object
57.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
58.
A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
59.
Velocity is both ____ and _____. 
a)
speed , direction 
b)
direction, mass
c)
volume, density 
d)
direction, magnitude 
60.
Which of the following is a unit for acceleration?
a)
km/s
b)
m/s2
c)
mi/hr
d)
ft
61.
The speedometer on your car tells you
a)
average velocity
b)
instantaneous velocity
c)
average speed
d)
instantaneous speed
62.
When you walk at an average speed of 4 m/s, in 5 s you'll cover a distance of 
a)
2 m
b)
10 m
c)
20 m
d)
15 m
63.
A vehicle undergoes acceleration when it
a)
changes its direction
b)
loses speed
c)
gains speed
d)
all of the above
64.
The time it takes a car to attain a speed of 30 m/s when accelerating from rest at 2 m/s2 is
a)
15 s
b)
30 s
c)
2 s
d)
60 s
65.
The average speed of a horse that gallops 10 km in 30 min is
a)
30 km/hr
b)
20 km/hr
c)
40 km/hr
d)
15 km/hr
66.
What kind of quantity has both a magnitude and a direction?
a)
scalar
b)
vector
c)
frame of reference
d)
time
67.
Acceleration of an object happens when things ________
a)
slow down
b)
go faster
c)
change direction (turn)
d)
All of the above
68.

A penny is thrown from a 100.0 m building with an initial velocity of 2.0 m/s down. What is the penny's velocity after 3.00 s, if it is accelerating at 9.81m/s/s?

a)

31.4 m/s

b)

3.1 m/s

c)

90.3 m/s

d)

9.0 m/s

69.

A ball initially at rest rolls down a hill and has an acceleration of 3.3 m/s2. If it accelerates for 7.5 s, how far will it move during this time?

a)

12 m

b)

93 m

c)

120 m

d)

190 m

70.
If a bunny hops at 2 m/s, how long does it take him to go 5 m?
a)
2.5 s
b)
10 s
c)
.4 s
d)
2 s
71.
Which of the following would NOT be considered a projectile? 
a)
a cannonball thrown straight up
b)
a cannon ball rolling down a slope
c)
a cannonball rolling off a table
d)
a cannonball thrown in the air
72.

What is the shape of the path of any projectile?

a)

Hyperbola

b)

Hypotenuse

c)

Parabola

d)

Diagonal

73.

What is the direction of the acceleration for any projectile?

a)

The direction the projectile is traveling.

b)

Down

c)

Up

d)

Sideways

74.

A man wants to shoot an arrow so that it has the greatest range (horizontal distance). At what angle should he shoot the arrow?

a)

10 degrees

b)

45 degrees

c)

60 degrees

d)

90 degrees

75.

When an object is launched horizontally, what is the initial vertical velocity?

a)

0 m/s

b)

It's always 9.81 m/s

c)

It depends on the horizontal launch speed

d)

It depends on the color of the object being launched

76.

At which of the following places does a projectile have the greatest velocity?

a)

At the peak of its trajectory

b)

Half way up to the peak

c)

At the instant it is launched

d)

It has the same velocity at all places

77.

At which of the following places does a projectile have the greatest acceleration?

a)

At the peak of its trajectory

b)

Half way to the peak

c)

At the instant it is launched

d)

All points have the same acceleration

78.

At which of the following places does a projectile have the least velocity?

a)

At the peak of its trajectory

b)

Half way to the peak

c)

At the instant it is launched

d)

All points have the same velocity

79.

A 5 kg mass and a 10 kg mass are launched horizontally from the same height. Which hits the ground first? (Neglect air resistance)

a)

The 5 kg mass

b)

The 10 kg mass

c)

They will hit at the same time

d)

It depends on the launch velocity

80.

Gun #1 is fired horizontally at 10 m/s and gun #2 is fired horizontally at 50 m/s. Which bullet hits the ground first?

a)

Bullet #1

b)

Bullet #2

c)

They both will hit at the same time

d)

It depends on the caliber of the bullets

81.

If you throw a baseball straight up, what is its velocity at the highest point?

a)

9.81 m/s2

b)

9.81 m/s

c)

0 m/s2

d)

0 m/s

82.
A ball is thrown into the air at some angle. At the very top of the ball's path, its velocity is
a)
entirely vertical
b)
both vertical and horizontal
c)
entirely horizontal
d)
not enough info
83.
In the absence of air resistance, the angle at which a thrown ball will go the farthest is
a)
15o
b)
300
c)
45o
d)
600
84.
An object is projected horizontally from a cliff.  The time it takes to hit the ground is
a)
more than if it was just dropped
b)
less than if it was just dropped
c)
the same amount of time as if it was just dropped
d)
impossible to determine
85.
In the absense of air resistance, as an object travels through the air, its horizontal velocity
a)
changes continuously
b)
not enough information
c)
remains the same
86.
A plane flies at 180 km/h east in still air. What is its velocity into a 40 km/h headwind?
a)
140 km/h east
b)
220 km/h east
c)
180 km/h east
d)
140 km/h west
87.
Which launch angle will have the same range as 25°?
a)
65°
b)
45°
c)
55°
d)
none of these
88.
The path of a projectile is called its...
a)
range
b)
resultant
c)
component
d)
trajectory
89.

What is the speed of a projectile as it lands if its initial velocity was 50 m/s at 45°?

a)

50 m/s

b)

0 m/s

c)

-9.81 m/s2

d)

not enough info

90.
The vertical motion of a projectile is...
a)
the same as free fall
b)
constant
c)
zero
91.

If a ball is thrown horizontally from the top of a 125-m cliff, how long will it be in the air?

a)

25.48 s

b)

3.57 s

c)

5.05 s

d)

not enough info

92.

If you throw a stone horizontally from the top of a cliff, one second after leaving your hand its vertical distance below the top of the cliff is

a)

4.91 m.

b)

9.81 m.

c)

14.72 m.

93.

If the time to get to the highest point is 2.6 s, what would be the total time in the air?

a)

2.6 s

b)

3.8 s

c)

5.2 s

d)

4.9 s

94.

If a projectile is launched horizontally from a height of 12 m, how long will it take to hit the ground?

a)

1.11 seconds

b)

1.22 seconds

c)

1.56 seconds

d)

2.45 seconds

95.

If a projectile is launched with an initial vertical velocity (Voy) of 60 m/s, how long will it take to reach its highest point?

a)

5.81 seconds

b)

6.12 seconds

c)

6.4 seconds

d)

7 seconds

96.

A projectile is launched and reaches its peak in 1.2 seconds. What was the initial vertical velocity of the projectile?

a)

9.81 m/s

b)

10.63 m/s

c)

11.15 m/s

d)

11.77 m/s

97.

If a projectile reaches its peak in 1.2 seconds, what is the maximum height it reaches?

a)

2.4 m

b)

3.62 m

c)

5.48 m

d)

7.06 m

98.

A quantity that has both magnitude and direction is called a scalar.

a)

True

b)

False

99.

A single vector can be replaced by two vectors in the X and Y directions. These X and Y vectors are called the resultant of the original vector.

a)

True

b)

False

100.

Wind velocity can be represented as a vector quantity.

a)

True

b)

False

101.

The vertical component of velocity for a projectile varies with time, even with no air resistance.

a)

True

b)

False

102.

The horizontal component of velocity for a projectile varies with time, even with no air resistance.

a)

True

b)

False

103.

When velocity is represented as a vector...

a)

the length of the arrow represents speed

b)

the direction of the arrow shows the direction of motion

c)

the length of the arrow is drawn to a suitable scale

d)

all of the above

104.

What is the minimum resultant possible when adding a 3-unit vector to an 8-unit vector?

a)

24

b)

11

c)

8

d)

5

105.

What is the maximum resultant possible when adding a 3-unit vector to an 8-unit vector?

a)

24

b)

11

c)

8

d)

5

106.

Harry jumps horizontally from the top of a building that is 20.0 m high, and hopes to reach a swimming pool that is at the bottom of the building, 10.0 m horizontally from the edge of the building. If he is to reach the pool, what must his jumping speed be?

a)

2.01 m/s

b)

4.08 m/s

c)

4.95 m/s

d)

7 m/s

107.

The combination of forces acting on an object is known as the __________ force.

a)

Normal

b)

net

c)

gravity

d)

friction

108.

Which of the following is true regarding Newton's Second Law?

a)

acceleration is inversely proportional to the net force

b)

the direction of acceleration is opposite the direction of the net force

c)

acceleration is inversely proportional to mass

d)

net force and mass are always equal

109.

Which equation correctly describes Newton's Second Law?

a)

F=a/m

b)

a=F/m

c)

F=2ma

d)

m/a=F

110.

An object accelerates when a net force is applied to it. Which of the following conditions would double the object's acceleration?

a)

doubling the mass

b)

halving the force

c)

halving the mass

d)

doubling the mass and halving the force

111.

Friction does not depend on the types of materials in contact with each other.

a)

True

b)

False

112.

In order to calculate a friction force, you need to know which 2 of the following values:

a)

mass of the object

b)

coefficient of friction

c)

velocity of the object

d)

the normal force

113.

Pressure is measured in what units?

a)

Newtons

b)

Kilograms

c)

Pascals

d)

There are no units for Pressure

114.

Which of the following best describes pressure?

a)

the applied force that acts on an object

b)

force per unit of area

c)

the area to which a force is applied

d)

force times surface area

115.

What 2 forces are in balance when an object reaches its terminal velocity during free fall?

a)

air resistance

b)

weight

c)

acceleration

d)

velocity

116.

Will is trying to make his 45kg golden retriever go inside, but the dog is refusing to budge. If the coefficient of sliding friction between the dog and the ground is 0.6, how hard must Will push in order to move the dog with a constant speed? (Let g=10m/s^2)

a)

450 N

b)

270 N

c)

27 N

d)

75 N

117.

AJ comes home from school and puts his backpack on the table. His backpack weighs 35N and has an area of contact equal to approximately 0.24 square meters. What pressure does his bag apply to the table?

a)

146 N/m^2

b)

8.4 N/m^2

c)

82 N/m^2

d)

16.8 N/m^2

118.

In her physics lab, Ellie puts a 1.0 kg mass on a 2 kg block of wood. She pulls the combination across another wooden board with constant speed to determine the coefficient of friction between the 2 surfaces. If Kristin must pull with a force of 6.0N, what is the coefficient of friction?

a)

0.1

b)

0.2

c)

0.3

d)

0.4

119.

In the district championship finals, Graham kicks a 0.6kg soccer ball with a force of 80N. How much does he accelerate the soccer ball from rest in the process?

a)

48 m/s^2

b)

133 m/s^2

c)

14 m/s^2

d)

471 m/s^2

120.

Ethan, whose mass is 75 kg, is on his way to school after a winter storm when he accidentally slips on a patch of ice whose coefficient of sliding friction is 0.06. What force of friction will eventually bring Ethan to a stop? (use g=10m/s^2)

a)

1250 N

b)

4.5 N

c)

125 N

d)

45 N

121.

Force is measured in what units?

a)

m/s^2

b)

kg

c)

N

d)

degrees

122.

Mass is measured in what units?

a)

m/s^2

b)

pounds

c)

N

d)

kg

123.

Acceleration is measured in what units?

a)

kg

b)

m/s

c)

m/s^2

d)

N

124.

Whenever an object exerts a force on another object, the second object exerts a force of the same magnitude, but in the opposite direction to that of the first object.

a)

Sometimes true

b)

Always true

c)

False

125.

A high school student hits a nail with a hammer. During the collision, there is a force

a)

on the nail but not on the hammer.

b)

on the nail and also on the hammer.

c)

on the hammer but not on the nail.

126.

A player catches a ball. Consider the action force to be the impact of the ball against the player's glove. What is the reaction to this force?

a)

The muscular effort in the player's arms

b)

The force the glove exerts on the ball

c)

Friction of the ground against the player's shoes

d)

The player's grip on the glove

127.

A player hits a ball with a bat. The action force is the impact of the bat against the ball. What is the reaction to this force?

a)

The force of the ball against the bat

b)

The weight of the ball

c)

Air resistance on the ball

d)

The grip of the player's hand against the bat

128.

An unfortunate bug splatters against the windshield of a moving car. Compared to the force of the car on the bug, the force of the bug on the car is

a)

greater

b)

the same

c)

lesser

d)

not enough information to determine

129.

An unfortunate bug splatters against the windshield of a moving car. Compared to the deceleration of the car, the deceleration of the bug is

a)

greater

b)

the same

c)

lesser

d)

not enough information to determine

130.

If a horse pulls on a wagon at rest, the wagon pulls back equally on the horse. Can the wagon be set into motion? (Consider this as a single system with no other forces acting on the horse or wagon.)

a)

Yes, because there is a net force acting on the wagon.

b)

Yes, because there is a time delay between action and reaction.

c)

No, because the forces cancel each other out.

d)

Yes, because the horse's pull on the wagon is larger than the wagon's pull on the horse.

131.

Nellie Newton holds an apple in her hand. If action is Earth pulling on the apple, then reaction is

a)

her hand providing a normal (support) force on the apple.

b)

her hand pushing up on the apple.

c)

both A and B.

d)

The apple pulling on the Earth.

132.

A force is exerted on the tires of a car to accelerate the car along the road. The force is exerted by

a)

road

b)

air

c)

tires

d)

gas pedal

133.

A rocket is able to accelerate in the vacuum of space when it fires its engines. The force that propels the rocket is the force

a)

of the rocket on the exhaust gases.

b)

of the exhaust gases on the rocket.

c)

none of the above

134.

As a 600-N woman sits on the floor, the floor exerts a force on her of

a)

6 N

b)

60 N

c)

1200 N

d)

600 N

e)

6000 N

135.

Forces always occur

a)

as single quantities

b)

in triplets

c)

in pairs

d)

by themselves

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