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AP Physics I 2021 Final Exam Review

Total questions: 150

Worksheet time: 5hrs 49mins

Name
Class
Date
1.

What is object doing at t = 4 s to t = 6 s?

a)

At rest

b)

Speeding up

c)

Slowing down

2.

What is object doing at t = 7 s to t = 9 s?

a)

moving backward.

b)

speeding up

c)

moving forward

d)

moving forward

3.

At what time interval does the object have the greatest speed?

a)

t = 6 s to t = 9 s

b)

t = 1 s to t = 4 s

c)

t = 4 s to t = 6 s

4.

What is the object doing between t = 5 s and t = 10 s?

a)

moving backward

b)

speeding up

c)

slowing down

d)

moving forward

5.

What is the velocity of the object between t = 0 and t = 5 s?

a)

0.8 m/s

b)

0.6 m/s

c)

0.5 m/s

d)

0.9 m/s

6.

What is the distance the object moved from t = 0 min. to t = 10 min.?

a)

300 m

b)

30 m

c)

6 m

d)

600 m

7.

From t = 15 min. to t = 30 min., the object is (slowing down / speeding up) because its velocity is (+ / -) and its acceleration is (+ / -).

a)

slowing down , +v , -a

b)

speeding up , +v , -a

c)

slowing down , -v , -a

d)

slowing down , -v , +a

8.

From t = 30 min. to t = 40 min., the object is (slowing down / speeding up) because its velocity is (+ / -) and its acceleration is (+ / -).

a)

speeding up , -v , -a

b)

slowing down , -v , -a

c)

speeding up , +v , -a

d)

slowing down , -v , +a

9.

These three graphs describe ___ motion.

a)

projectile

b)

free fall

c)

harmonic

d)

rotational

10.

In graph i, acceleration is ( + / - / 0 ) and the object is ____.

a)

+ / moving with constant acceleration

b)

- / moving with constant acceleration

c)

+ / moving with increasing acceleration

d)

- / moving with decreasing acceleration

11.

In graph ii, acceleration is ( + / - / 0 ) and the object is ____.

a)

- / moving with constant acceleration

b)

+ / moving with constant acceleration

c)

- / moving with increasing acceleration

d)

+ / moving with 0 acceleration

12.

In graph ii, acceleration is ( + / - / 0 ) and the object is ____.

a)

- / moving with constant acceleration

b)

+ / moving with constant acceleration

c)

- / moving with increasing acceleration

d)

+ / moving with 0 acceleration

13.

In graph iii, acceleration is ( + / - / 0) and the object is ____.

a)

0 / moving with constant velocity or at rest

b)

+ / moving with increasing acceleration

c)

- / moving with constant acceleration

d)

+ / moving with constant acceleration

14.

In graph 1, velocity is ( + / - / 0 ) and the object is ____.

a)

+ / moving with constant velocity.

b)

- / moving with constant velocity.

c)

+ / moving with 0 velocity

d)

+ / moving with increasing velocity.

15.

What is this object doing?

a)

Moving to the right; slowing down to a rest.

b)

Moving to the right; speeding up.

c)

Moving to the left; slowing down to a rest.

d)

Moving to the right; moves with a constant speed.

16.

What is this object doing?

a)

Moving to the right; speeds up and stops

b)

Moving to the right; speeds up to a constant speed.

c)

Moving to the left; slowing down to a stop.

d)

Moving to the right; slowing down and stops.

17.

What is this object doing?

a)

Moving to the right; slows down to change direction to the left; moves to the left; speeds up to where it started.

b)

Moving to the right; speeds up to change direction to the left; moves to the left; slows down to where it started.

c)

Moving to the left; slows down to change direction to the right; moves to the right; speeds up to where it started.

d)

Moving to the right; slows down to change direction to the left; moves to the left; slows down to where it started.

18.

What is this object doing?

a)

Moving to the right; slows down to change direction to the left; moves to the left; speeds up to where it started.

b)

Moving to the right; speeds up to change direction to the left; moves to the left; slows down to where it started.

c)

Moving to the left; slows down to change direction to the right; moves to the right; speeds up to where it started.

d)

Moving to the right; slows down to change direction to the left; moves to the left; slows down to where it started.

19.

What is this object doing?

a)

Moving up, slows to a rest; then moves down; speeding up.

b)

Moving up, speeds up; then moves down; speeding up.

c)

Moving up, slows to a rest; then moves down; slowing down.

d)

Moving up at a constant speed; then moves down with a constant speed.

20.

What is this object doing?

a)

Moving to the right, slows to a rest to change direction, moves to the left; speeding up.

b)

Moving to the right, speeds up and changes direction; moves to the left; speeding up.

c)

Moving to the right, speeds up and changes direction; moves to the left; slowing down.

d)

Moving to the right, moves with a constant speed; changes direction and moves to the left with a constant speed.

21.

What is this object doing?

a)

Moving to the left with increasing speed.

b)

Moving to the left with decreasing speed.

c)

Moving to the left with a constant speed.

d)

Moving to the right with a constant speed.

22.

What is this object doing?

a)

Speeding up to the left with a constant acceleration.

b)

Speeding up to the right with a constant acceleration.

c)

Slowing up to the left with a constant acceleration.

d)

Slowing up to the right with a constant acceleration.

23.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
24.

A dolphin swims 1.50 km/hr. How far has the dolphin swam after 1.00 hr?

a)

1.0 km

b)

1.0 m

c)

1.50 km

d)

1.50 mi

25.

Displacement is (select all that apply)

a)

how far an object is from where it started

b)

how far an object has traveled

c)

a scalar

d)

a vector

26.

Velocity is (select all that apply)

a)

speed with a direction

b)

a vector

c)

rate of change of displacement

d)

rate of change of acceleration

27.

A toy car is given an initial velocity of 5.0 m/s and experiences a constant acceleration of 2.0 m/s 2 . what is the final velocity after 6.0s?

a)

10 m/s

b)

12 m/s

c)

16 m/s

d)

17 m/s

28.

A shopping cart given an initial velocity of 2.0 m/s undergoes a constant acceleration of 3.0 m/s2. What is the magnitude of the cart's displacement after the first 4.0 s of its motion?

a)

10.0 m

b)

55 m

c)

32 m

d)

80.0 m

29.

A curious kitten pushes a ball of yarn at rest with its nose displacing the ball of yarn 15.4 cm in 3.00 s. What is the acceleration of the ball of yarn?

a)

4.38 cm/s2

b)

3.42 cm/s2

c)

46.2 cm/s2

d)

18.4 cm/s2

30.

A sports car accelerates at a constant rate from rest to a speed of 27.8 m/s in 8.00 s. What is the displacement of the sports car I this time interval? (hint: 2 steps find a then Δx)

a)

55.0 m

b)

77.0 m

c)

111 m

d)

222 m

31.
Name the missing force....
a)
weight force
b)
normal force
c)
frictional force
d)
tension force
32.
Name the missing force...
a)
frictional force
b)
weight force
c)
thrust
d)
buoyant force
33.
Name the missing force...
a)
tension force
b)
gravitational force
c)
normal force
d)
applied force
34.
Name the missing force...
a)
weight force
b)
normal force
c)
applied force
d)
frictional force
35.
What is the net force of an object that is not moving?
a)
0N
b)
100N
c)
Upward force
36.
Match description with free-body diagram.
a)
A book is at rest on a tabletop.
b)
A gymnast holding onto a bar, is suspended motionless in mid-air. The bar is supported by two ropes that attach to the ceiling. Diagram the forces acting on the combination of gymnast and bar.
c)
An egg is free-falling from a nest in a tree. Neglect air resistance.
d)
A flying squirrel is gliding (no wing flaps) from a tree to the ground at constant velocity. Consider air resistance.
37.

The best way to label a push or a pull on a diagram is to use

a)
b)
c)
d)
38.

Which of the following free body diagrams correctly depict the forces acting on an object that is moving at a constant velocity?

a)
b)
c)
d)
39.
A 20 kg bike accelerates at 10 m/s2.  what was the force?
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
40.
What is the definition of "weight"?
a)
measure of the force of gravity on your body
b)
the time it takes to get on a ride 
c)
the amount of matter in an object
d)
the size of an object
41.
A free falling objects falls under the influence of 
a)
force of air
b)
force of gravity
c)
force of resistance
d)
force of 
42.
If you throw a baseball straight up, what is its velocity at the highest point?
a)
9.8 m/s2
b)
9.8 m/s
c)
0 m/s2
d)
0 m/s
43.
A freely falling object starts from rest. After falling for 6 seconds, it will have a speed of about:
a)
6m/s
b)
30m/s
c)
60m/s
d)
300m/s
44.
If you drop a banana, how fast is it going after 2 seconds?
a)
4.9m/s
b)
9.8m/s
c)
19.6m/s
d)
29.4m/s
45.
A free falling object falls for 2.4 s. What is its displacement?
a)
-28.2 m
b)
-11.76 m
c)
-56.45 m
d)
-9.8 m
46.
A free falling object falls for 1.6 s. What is the final velocity?
a)
-15.68 m/s
b)
- 9.8 m/s
c)
- 6.125 m/s
d)
- 25.088 m/s
47.

An apple falls out of a tree and takes 1.75 seconds to strike the ground. How high was the apple from the ground?

a)

25.00

b)

20.00

c)

15.00

d)

10.00

48.
  A 220 Kg crate is pushed horizontally with a force of 700 N. If the coefficient of kinetic friction is 0.20, calculate the acceleration of the crate.   
a)
1.02 m/s2
b)
1.22 m/s2
c)
1.42 m/s2
d)
1.62 m/s2
49.
A force of 40.0 N is required to start a 5.0 kg box moving across a horizontal floor.  (a) What is the coefficient of static friction between the box and the floor?   Answer:  (, ) 
a)
0.62
b)
0.72
c)
0.82
d)
0.92
50.
A box is given a push so that it slides across the floor.  How far will it go, given that the coefficient of kinetic friction is 0.20 and the push imparts an initial speed of 4.0 m/s?  
a)
2.8 m
b)
3.4 m
c)
4.1 m
d)
5.2 m
51.

On a scale of one to ten, how ready are you for this Test?

a)

11

b)

20

c)

100

d)

Off the charts ready

52.

A ball is thrown straight up in the air. When the ball reaches its highest point, which of the following is true?

a)

It is in equilibrium.

b)

It has zero acceleration.

c)

C It has maximum momentum.

d)

It has maximum kinetic energy

e)

None of the above

53.

A box is given a sudden push up a ramp. Friction between the box and the ramp is not negligible. Which of the following diagrams best represents the directions of the actual forces acting on the box as it moves upward after the push?

a)
b)
c)
d)
e)
54.

A planet of mass m orbits a star of mass M, where m<<M. The orbit is circular, its radius is r, and

its period is T. True statements about the planet’s orbit include which of the following?

I. The orbital speed equals 2πr / T

II. The gravitational force equals GMm / r2

III. If the orbital radius r were greater, T would also be greater.

a)

I only

b)

II only

c)

I and III only

d)

II and III only

e)

I, II, and III

55.

While traveling in its elliptical orbit around the Sun, Mars gains speed during the part of the orbit where it is getting closer to the Sun. Which of the following can be used to explain this gain in speed?

a)

As Mars gets closer to the Sun, the Mars–Sun system loses potential energy and Mars gains kinetic energy.

b)

A component of the gravitational force exerted on Mars is perpendicular to the direction of motion, causing an acceleration and hence a gain in speed along that direction.

c)

The torque exerted on Mars by the Sun during this segment of the orbit increases the Mars–Sun system’s angular momentum.

d)

The centripetal force exerted on Mars is greater than the gravitational force during this segment of the orbit, causing Mars to gain speed as it gets closer to the Sun.

56.

A rock of mass m is thrown horizontally off a building from a height h, as shown above. The speed of the rock as it leaves the thrower's hand at the edge of the building is v.


What is the kinetic energy of the rock just before it hits the ground?

a)

mgh

b)

12mv02\frac{1}{2}mv_0^2

c)

12mv02 +mgh\frac{1}{2}mv_0^2\ +mgh

d)

12mv02 −mgh\frac{1}{2}mv_0^2\ -mgh

e)

mgh − 12mv02mgh\ -\ \frac{1}{2}mv_0^2

57.

While traveling in its elliptical orbit around the Sun, Mars gains speed during the part of the orbit where it is getting closer to the Sun. Which of the following can be used to explain this gain in speed?

a)

As Mars gets closer to the Sun, the Mars–Sun system loses potential energy and Mars gains kinetic energy.

b)

A component of the gravitational force exerted on Mars is perpendicular to the direction of motion, causing an acceleration and hence a gain in speed along that direction.

c)

The torque exerted on Mars by the Sun during this segment of the orbit increases the Mars–Sun system’s angular momentum.

d)

The centripetal force exerted on Mars is greater than the gravitational force during this segment of the orbit, causing Mars to gain speed as it gets closer to the Sun.

58.

What is the kinetic energy of a satellite of mass in that orbits the Earth, of mass M, in a circular orbit of radius R ?

a)

zero

b)

12 GMmR\frac{1}{2}\ \frac{GMm}{R}

c)

14 GMmR\frac{1}{4}\ \frac{GMm}{R}

d)

12 GMmR2\frac{1}{2}\ \frac{GMm}{R^2}

e)

GMmR2\frac{GMm}{R^2}

59.

An object is moving in the positive x-direction while a net force directed along the x-axis is exerted on the object. The figure above shows the force as a function of position. What is the net work done on the object over the distance shown?

a)

F0dF_0d

b)

3F0d2\frac{3F_0d}{2}

c)

2F0d2F_0d

d)

4F0d4F_0d

60.

Three objects can only move along a straight, level path. The graphs below show the position d of each of the objects plotted as a function of time t.

The sum of the forces on the object is zero in which of the cases?

a)

II only

b)

III only

c)

I and II only

d)

I and III only

e)

I, II, and III

61.

An object is thrown with an initial speed v near the surface of Earth. Assume that air resistance is negligible and the gravitational field is constant.


If the object is thrown vertically upward, the direction and magnitude of its acceleration while it is in the air is

a)

upward and decreasing

b)

upward and constant

c)

downward and decreasing

d)

downward and increasing

e)

downward and constant

62.

An object has a weight W when it is on the surface of a planet of radius R. What will be the gravitational force on the object after it has been moved to a distance of 4R from the center of the planet?

a)

16W

b)

4W

c)

W

d)

14W\frac{1}{4}W

e)

116W\frac{1}{16}W

63.

An object has a weight W when it is on the surface of a planet of radius R. What will be the gravitational force on the object after it has been moved to a distance of 4R from the center of the planet?

a)

16W

b)

4W

c)

W

d)

14W\frac{1}{4}W

e)

116W\frac{1}{16}W

64.

An object is thrown with an initial speed v near the surface of Earth. Assume that air resistance is negligible and the gravitational field is constant.


If the object is thrown vertically upward, the direction and magnitude of its acceleration while it is in the air is

a)

upward and decreasing

b)

upward and constant

c)

downward and decreasing

d)

downward and increasing

e)

downward and constant

65.

As the angle of the incline increases, what happens to the normal force?

a)

The normal force increases

b)

The normal force decreases

c)

The normal force is not affected by the incline

d)

The normal force is only dependent on the force due to gravity

66.
The Earth pulls downward on a pingpong ball with a force  of 1N. If this is the "action" force, what is the "reaction" force?
a)
The ground exerts a force of 1N on the ping pong ball
b)
The ping pong ball exerts a force of 1 N on the Earth
c)
The ping pong ball pushes down on the earth with a force of 1N
d)
The is no reaction force when a gravitational force is involved
67.

Given the FBD, which of the following must be true?

a)

The frictional force must be accelerating the system to the left.

b)

The box must be accelerating to the right.

c)

The box must be moving to the right.

d)

The FBD is incorrectly drawn. This situation isn't possible

68.

Camille launches has a catapult that changes the velocity of a ball (m= 2 kg) from 0 to 10 m/s in one sec. What is the average force that is exerted on the ball during launch?

a)

20 N

b)

5 N

c)

8 N

d)

0.2 N

69.

Which of the following statements is true about the image above?

a)

The accelerations of the blocks will vary according to their mass

b)

The net force acting on each block is the same

c)

The blocks will experience the same acceleration

d)

The 3m box will eat the 2m and the m boxes

70.

Which of the following is not true about the system?

a)

T3 is equal to the scalar sum of the magnitudes of T2 and T1

b)

T3 is equal in magnitude to Fg

c)

The x- components of the T1 and T2 and equivalent but in opposite directions

d)

The system is in equilibrium.

71.

Sam is hover boarding down they hall at a constant velocity. Assuming there is friction, which of the following must be true?

a)

The force applied by the board must be greater than the frictional force

b)

The frictional force must equal the force applied by the board

c)

The force applied must equal zero

d)

There is not enough information

72.

If there is no friction, then the acceleration would be equal to

a)

mg

b)

sin(θ)mg

c)

g

d)

sin(θ)g

73.

If μk = 0.65 and μs = 0.7, acceleration would be equal to

a)

0 m/s/s

b)

9.8 m/s/s

c)

3.35 m/s/s

d)

-2.63 m/s/s

74.
What is the coefficient of static friction if it takes 44 N of force to move a box that weighs 86 N? 
a)
0.78
b)
0.51
c)
0.78 N
d)
0.58 N
75.
A 80 kg skydiver is free falling at a constant velocity of 19 m/s. What is the net (total) force acting on her?
a)
1,520 N
b)
0 N
c)
4.21 N
d)
Not enough information to answer
76.
Assuming both objects are at rest, which object is more massive? M1 or M2?
a)
M1 is more massive
b)
M2 is more massive
c)
both M1 and M2 are the same mass
77.

A man standing on a scale in an elevator notices that the scale reads 40 newtons greater than his normal weight. Which type of movement of the elevator could cause this greater-than-normal reading?

a)

accelerating upward

b)

accelerating downward

c)

moving upward at a constant speed

d)

moving downward at a constant speed

78.

A man weighing 800 Newtons is standing in an elevator. If the elevator rises with an acceleration of 0.5 meters per second2, the force exerted by the elevator on the man will be

a)

400 N

b)

800 N

c)

1200 N

d)

1000 N

79.

A car travels up a hill at constant speed. Which of the following diagrams best represents the forces acting on the car at this instant?

a)
b)
c)
d)
80.

Three forces of equal magnitude act on the box shown. One force is upward, one downward, and one rightward. Which of the following statements must be true based on this information? Select two answers.

a)

The box must have a rightward component of velocity.

b)

The box has no vertical component of velocity.

c)

The acceleration of the box is directed to the right.

d)

The velocity of the box is changing with time.

81.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
82.
An apple weighs 1 N. The net force on the apple when it is in free fall is
 
a)
 0 N.
b)
0.1 N.
c)
1 N.
d)
9.8 N
83.
"If we apply a ___________ to an object, its __________________ will change and it will  ______________."
a)
force, accelerate, gravity
b)
accelerate, inertia, gravity
c)
force, velocity, accelerate
d)
velocity, gravity, inertia
84.

A 2.00-kg solid, uniform ball of radius 0.100 m is released from rest at point A as shown in the figure, its center of gravity a distance of 1.50 m above the ground. The ball rolls without slipping to the bottom of an incline and back up to point B where it is launched vertically into the air. The ball rises to its maximum height hmax at point C. At point B, find the ball’s translational speed. (The ball's moment of inertia is defined by   I=25MR2I=\frac{2}{5}MR^2  .)

a)

3.78 m/s

b)

37.8 m/s

c)

14.3 m/s

d)

3.70 m/s

85.

A 2.00-kg solid, uniform ball of radius 0.100 m is released from rest at point A as shown in the figure, its center of gravity a distance of 1.50 m above the ground. The ball rolls without slipping to the bottom of an incline and back up to point B where it is launched vertically into the air. The ball rises to its maximum height  hmax⁡h_{\max}   at point C. At point B, find the ball’s rotational speed. (The ball's moment of inertia is defined by  I=25MR2I=\frac{2}{5}MR^2  .)

a)

3.78 rad/s

b)

37.8 rad/s

c)

0.370 m/s

d)

3.70 rad/s

86.

A 2.00-kg solid, uniform ball of radius 0.100 m is released from rest at point A as shown in the figure, its center of gravity a distance of 1.50 m above the ground. The ball rolls without slipping to the bottom of an incline and back up to point B where it is launched vertically into the air. The ball rises to its maximum height  hmax⁡h_{\max}   at point C. At point C, find the ball’s rotational speed. (The ball's moment of inertia is defined by  I=25MR2I=\frac{2}{5}MR^2  .)

a)

3.78 rad/s

b)

37.8 rad/s

c)

0.370 m/s

d)

0 rad/s

87.

A 2.00-kg solid, uniform ball of radius 0.100 m is released from rest at point A as shown in the figure, its center of gravity a distance of 1.50 m above the ground. The ball rolls without slipping to the bottom of an incline and back up to point B where it is launched vertically into the air. The ball rises to its maximum height  hmax⁡h_{\max}   at point C. Find the ball's maximum height  hmax⁡h_{\max}  of its center of gravity. (The ball's moment of inertia is defined by  I=25MR2I=\frac{2}{5}MR^2  .)

a)

0.756 m

b)

0.744 m

c)

1.43 m

d)

1.22 m

88.

A 0.00500-kg bullet traveling horizontally with a speed of

1.00 x 103 m/s enters an 18.0-kg door, embedding itself 10.0 cm from the side opposite the hinges as shown. The 1.00-m-wide door is free to swing on its hinges. Before it hits the door, what is the angular momentum of the bullet?

a)

4.50 kg·m2/s

b)

0.500 kg·m2/s

c)

5.00 kg·m2/s

d)

0 kg·m2/s

89.

A 0.00500-kg bullet traveling horizontally with a speed of
1.00 x 103 m/s enters an 18.0-kg door, embedding itself 10.0 cm from the side opposite the hinges as shown. The 1.00-m-wide door is free to swing on its hinges. What is the kinetic energy of the bullet-door system after impact? (The moment of inertia of the door is defined by  I=13ML2I=\frac{1}{3}ML^2  , where L is the length of the door.)

a)

 1.68 J1.68\ J  

b)

 2.50 × 103 J2.50\ \times\ 10^3\ J  

c)

 2.25 J2.25\ J  

d)

 1.52×103J1.52\times10^3J  

90.

A spool of thread has an average radius of 1.00 cm. If the spool contains 62.8 m of thread, about how many turns of thread are on the spool? "Average radius" allows us to not need to treat the layering of threads on lower layers.

a)

100

b)

1000

c)

10,000

d)

10

91.

The cart of mass 10 kg shown above moves without frictional loss on a level table. A 10 N force pulls on the cart horizontally to the right. At the same time, a 30 N force at an angle of 60° above the horizontal pulls on the cart to the left. Which of the following describes a manner in which this cart could be moving? Select two answers.

a)

moving left and speeding up

b)

moving left and slowing down

c)

moving right and speeding up

d)

moving right and slowing down

92.

The parabola above is a graph of speed v as a function of time t for an object. Which of the following graphs best represents the magnitude F of the net force exerted on the object as a function of time t?

a)
b)
c)
d)
93.

A ball is thrown and follows a parabolic path, as shown above. Air friction is negligible. Point Q is the highest point on the path. Which of the following best indicates the direction of the net force on the ball at point P?

a)

At an angle

b)

There is no force acting on the ball

c)

Up

d)

Down

94.

A block of mass m is accelerated across a rough surface by a force of magnitude F that is exerted at an angle with the horizontal, as shown above. The frictional force on the block exerted by the surface has magnitude f. What is the acceleration of the block?

a)

F/m

b)

(Fcos)/m

c)

(F–f)/m

d)

(Fcos–f)/m

95.

A block of mass m is accelerated across a rough surface by a force of magnitude F that is exerted at an angle with the horizontal, as shown above. The frictional force on the block exerted by the surface has magnitude f. What is the acceleration of the block?

a)

F/m

b)

(Fcos)/m

c)

(F–f)/m

d)

(Fcos–f)/m

96.

Two point masses m and M are separated by a distance d. If the distance between the masses is increased to 3d, how does the gravitational force between them change?

a)

The force will be 1/3 as great.

b)

The force will be 1/9 as great.

c)

The force will be 3 times as great.

d)

The force will be 9 times as great.

e)

It is impossible to determine without knowing the numerical values of m, M, and d.

97.

When the net force that acts on a hockey puck is 10 N, the puck accelerates at a rate of 50 m/s2. Determine the mass of the puck.

a)

0.2 kg

b)

1.0 kg

c)

5 kg

d)

10 kg

e)

50 kg

98.

When the net force that acts on a ball is 46 N, the ball accelerates at a rate of 23 m/s2. Determine the weight of the puck.

a)

2.0 kg

b)

2.0 N

c)

19.6 kg

d)

19.6 N

e)

9.8 N

99.

Which section(s) of the graph corresponds to a condition of zero net force?

a)

V only

b)

III only

c)

II and IV

d)

II, III, and IV

e)

I, III, and V

100.

In which section(s) of the graph is the net force changing?

a)

I and III

b)

II and IV

c)

III

d)

IV

e)

I and V

101.
a)
A
b)
B
c)
C
d)
D
102.
a)
A
b)
B
c)
C
d)
D
103.
a)
A
b)
B
c)
C
d)
D
104.
a)
A
b)
B
c)
C
d)
D
105.
a)
A
b)
B
c)
C
d)
D
106.
a)
A
b)
B
c)
C
d)
D
107.
a)
A
b)
B
c)
C
d)
D
108.
A solid  metal bar is at rest on a horizontal frictionless surface. It is free to rotate about a vertical axis at the left end. The figures show forces of different magnitudes that are exerted on the bar at different locations. In which case does the bar's angular speed about the axis increase at the fastest rate?
a)
A
b)
B
c)
C
d)
D
109.
a)
It is at a maximum when the pendulum is at its lowest point
b)
It is at a maximum when the pendulum is at its maximum height h
c)
It is constant throughout the pendulum's motion
d)
It is at a minimum when the pendulum is somewhere between its lowest and highest positions
110.
Tiny drops of oil that have different amounts of electric charge produced by a random process are sprayed into a region between a positively and a negatively charged plate. The charge on each drop is determined by analyzing the effect of the electric force on the drop's motion. Two graphs of the number of drops as a function of the charge on eacd drop, where e is the charge of an electron. Which graph shows the likely results after repeating the experiment many times and why? 
a)
Graph 1, because it shows peaks with approximately the same amplitude
b)
Graph 1, because it shows that within experimental error charge only exists in multiples of e
c)
Graph 2, because it shows a peak value at the charge of an electron
d)
Graph 2, because it shows a narrower range of measurement error
111.
A stone disk is sliding on a frictionless ice to the west with speed v. As the disk slides by, a child uses a rubber mallet to hit the disk at point X, exerting a force directly toward the center of the disk. The child hits point X every half second for about 10 s, changing the trajectory of the disk but not causing it to rotate. Which of the following most closely approximates the path of the disk while the child is hitting it?
a)
A
b)
B
c)
C
d)
D
112.
a)
FB = FA = Fg
b)
(FB = FA) < Fg
c)
FB < (FA = Fg)
d)
Fg < FB < FA
113.
A system consists of a disk rotating on a frictionless axle and a piece of clay moving toward it. The outside edge of the disk is moving at a linear speed v, and the clay is moving at a speed of v/2. The clay sticks to the outside edge of the disk. How does the angular momentum of the system after the clay sticks compare to the angular momentum of the system before the clay sticks, and what is an explanation for the comparison?
a)
It is the same because there is no external torque acting on the system
b)
It is greater because the rotating mass increases, which increase the rotational intertia
c)
It is less because the speed of the disk decreases when the clay sticks to it
d)
It is less because the angular momentum of the clay opposes that of the disk
114.
Each of the figures above shows a tractor attached to an object. The tractor exerts the same constant force F on each object in each case. Which of the following is a true statement about an object and the relative magnitude of the force exerted by the object on the tractor?
a)
The magnitude of the force exerted by the truck on the tractor is greatest, because the resulting motion is in direction opposite the tractor's pull
b)
The magnitude of the force exerted by the boulder on the tractor is least, because no motion results
c)
The magnitude of the force exerted by the wagon on the tractor is least, because the resulting motion is in the direction of the tractor's pull
d)
The magnitude of the force exerted by each object on the tractor is equal, because tractor exerts an equal force on the object
115.
A student stands at one end of a raft floating in a pool with equally spaced marks along the bottom. The student and the raft have the same mass. The student walks to the opposite end of the raft. Which of the following best shows the final locations of the raft and student relative to the marks at the bottom of the  pool? Assume there is no drag force between raft and the water.
a)
A
b)
B
c)
C
d)
D
116.
a)
A
b)
B
c)
C
d)
D
117.

Which of the following units are used to measure velocity?

a)

m/s

b)

m/s/s

c)

N

d)

J

e)

W

118.

Which of the following units are used to measure acceleration?

a)

m/s

b)

m/s/s

c)

N

d)

J

e)

W

119.

Which of the following units are used to measure force?

a)

m/s

b)

m/s/s

c)

N

d)

J

e)

W

120.

Which of the following units are used to measure energy?

a)

m/s

b)

m/s/s

c)

N

d)

J

e)

W

121.

Which of the following units are used to measure work?

a)

m/s

b)

m/s/s

c)

N

d)

J

e)

W

122.

Which of the following units are used to measure power?

a)

m/s

b)

m/s/s

c)

N

d)

J

e)

W

123.

Which of the following units are used to measure time?

a)

s

b)

kg

c)

kg*m/s

d)

m

e)

N

124.

Which of the following units are used to measure mass?

a)

s

b)

kg

c)

kg*m/s

d)

m

e)

N

125.

Which of the following units are used to measure momentum?

a)

s

b)

kg

c)

kg*m/s

d)

m

e)

N

126.

Which of the following units are used to measure displacement?

a)

s

b)

kg

c)

kg*m/s

d)

m

e)

N

127.

Which of the following units are used to measure distance?

a)

s

b)

kg

c)

kg*m/s

d)

m

e)

N

128.

Which of the following units are used to measure height?

a)

s

b)

kg

c)

kg*m/s

d)

m

e)

N

129.

Which of the following units are used to measure weight?

a)

s

b)

kg

c)

kg*m/s

d)

m

e)

N

130.

Which of the following units are used to measure inertia?

a)

s

b)

kg

c)

kg*m/s

d)

m

e)

N

131.

Which of the following units are used to measure direction?

a)

s

b)

kg

c)

kg*m/s

d)

m

e)

degrees

132.

How fast are you going?

a)

depends on what frame of reference you choose

b)

none of your business Sir!

c)

pretty fast

d)

the speed of light

e)

I have no idea but I have a question for you Dr. Session. Why is my grade so low!?

133.

Which of the following symbols represents the speed of light?

a)

c

b)

g

c)

m

d)

m/s

e)

m/s/s

134.

Who was Henry Cavendish?

a)

He calculated the value of G. The Universal Gravitational Constant

b)

my boy

c)

He discovered Newton's Laws.

d)

He discovered Hooke's Law

e)

He was the first to calculate g. The acceleration of gravity.

135.

What is the acceleration of gravity on Earth?

a)

9.81 m/s

b)

9.81 m/s/s

c)

9.81 kg

d)

9.81 m

e)

9.81 g

136.

Which of the following is used to measure temperature in physics.

a)

Kelvin

b)

Kelvins

c)

Celsius

d)

Fahrenheit

e)

Degrees

137.

A civilization that can control all the energy it its galaxy is classified as a ______________civilization

a)

Type 3

b)

Type 4

c)

Type Omega

d)

Type 1

e)

Type 2

138.

Impulses cause

a)

changes in momentum

b)

accelerations

c)

collisions

d)

shopping

e)

problems

139.

Which of the following is not one of the 4 fundamental forces of nature

a)

Strong Nuclear

b)

Weak Nuclear

c)

gravitational

d)

electromagnetic

e)

power

140.

Which of the following is a formula for energy?

a)

W = Fd

b)

P = W/t

c)

F = ma

d)

v = d/t

e)

Impulse = Ft

141.

What time is it?

a)

depends on your velocity and your frame of reference

b)

around 1 pm

c)

time for you to get a Timex

d)

See........this...........this right here is why I hate this class.

e)

this question cannot be answered

142.

What do we use to model motion in physics?

a)

vectors

b)

graphs

c)

models

d)

velocity

e)

feet

143.

Which of the following people made the greatest contribution to the physics that we have learned about so far?

a)

Newton

b)

Session

c)

Galileo

d)

Cavendish

e)

Watt

144.

Tangential Velocity is measured in ____________

a)

m/s

b)

m/s/s

c)

s

d)

kg

e)

J

145.

Centripetal Force is measured in ____________

a)

kg

b)

m/s/s

c)

N

d)

Nm

e)

J

146.

Centripetal Acceleration is measured in __________.

a)

m/s/s

b)

N

c)

m/s

d)

J

e)

J/s

147.

A Watt is also _______________-

a)

J/s

b)

Nm

c)

N/m

d)

Js

148.

A joule is also ___________-

a)

Nm

b)

kg*m/s

c)

kg/j/s

d)

N/m

149.

Kinetic Energy is measured in __________

a)

J

b)

m/s

c)

temperature

d)

s

150.

Potential Energy is measured in ____________.

a)

J

b)

m/s

c)

W

d)

N

e)

Depends on your frame of reference

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