Unit 2 Exam
By Craig Fisher
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Last updated over 4 years ago
75 Questions
Answer the questions by clicking on the correct answer. You will have ONE class period in which to complete this exam.
2 points
2
Question 1
1.
Which of the following most closely illustrates motion by relating it to a reference point?
Which of the following most closely illustrates motion by relating it to a reference point?
2 points
2
Question 2
2.
Which of the following are two factors that determine speed?
Which of the following are two factors that determine speed?
2 points
2
Question 3
3.
Which of the following explains the difference between speed and velocity?
Which of the following explains the difference between speed and velocity?
2 points
2
Question 4
4.
Which of the following best represents acceleration as presented on a graph?
Which of the following best represents acceleration as presented on a graph?
2 points
2
Question 5
5.
Which of the following choices best represents force?
Which of the following choices best represents force?
2 points
2
Question 6
6.
Which of the following best determines the net force when more than one force is acting on an object?
Which of the following best determines the net force when more than one force is acting on an object?
2 points
2
Question 7
7.
When the net forces equal 0 N, they are which of the following?
When the net forces equal 0 N, they are which of the following?
2 points
2
Question 8
8.
Which of the following always causes a change in speed, direction or both?
Which of the following always causes a change in speed, direction or both?
2 points
2
Question 9
9.
What is force that opposes motion between two surfaces that are in contact?
What is force that opposes motion between two surfaces that are in contact?
2 points
2
Question 10
10.
Which are the two factors that determine the amount of friction?
Which are the two factors that determine the amount of friction?
2 points
2
Question 11
11.
Which of these is opposed by kinetic friction?
Which of these is opposed by kinetic friction?
2 points
2
Question 12
12.
Which of these is opposed by static friction?
Which of these is opposed by static friction?
2 points
2
Question 13
13.
In which of the following activities is friction helpful?
In which of the following activities is friction helpful?
2 points
2
Question 14
14.
In which of the following activities is friction harmful?
In which of the following activities is friction harmful?
2 points
2
Question 15
15.
Which would NOT be a way to reduce friction?
Which would NOT be a way to reduce friction?
2 points
2
Question 16
16.
All matter has mass,
All matter has mass,
2 points
2
Question 17
17.
As the distance between two objects increases, the force of gravity between them
As the distance between two objects increases, the force of gravity between them
2 points
2
Question 18
18.
Which of the following does NOT describe weight?
Which of the following does NOT describe weight?
2 points
2
Question 19
19.
What is an object that appears to stay in place and that helps you detect motion in another object?
What is an object that appears to stay in place and that helps you detect motion in another object?
2 points
2
Question 20
20.
To calculate an object's average acceleration, you need to know
To calculate an object's average acceleration, you need to know
2 points
2
Question 21
21.
The gravitational force is greater between two objects that
The gravitational force is greater between two objects that
2 points
2
Question 22
22.
What is the net force on an object when you combine a force of 10 N north with a force of 5 N south?
What is the net force on an object when you combine a force of 10 N north with a force of 5 N south?
2 points
2
Question 23
23.
Mass is
Mass is
2 points
2
Question 24
24.
Dividing the total distance traveled by the total time is how to calculate
Dividing the total distance traveled by the total time is how to calculate
2 points
2
Question 25
25.
If a baseball and a cannonball are dropped from the same height at the same time, and there is no air resistance, which ball will hit the ground first?
If a baseball and a cannonball are dropped from the same height at the same time, and there is no air resistance, which ball will hit the ground first?
2 points
2
Question 26
26.
What feature of an object does NOT affect air resistance?
What feature of an object does NOT affect air resistance?
2 points
2
Question 27
27.
Why do astronauts in space appear weightless?
Why do astronauts in space appear weightless?
2 points
2
Question 28
28.
In what direction(s) is(are) a projectile accelerated?
In what direction(s) is(are) a projectile accelerated?
2 points
2
Question 29
29.
The reaction force of the stool that you are sitting on
The reaction force of the stool that you are sitting on
2 points
2
Question 30
30.
Which of the following is the equation for Newton's second law of motion?
Which of the following is the equation for Newton's second law of motion?
2 points
2
Question 31
31.
When a train increases its velocity, its momentum
When a train increases its velocity, its momentum
2 points
2
Question 32
32.
A car with a mass of 1400 kg moves along the ice with a constant velocity of 18.0 m/s. What is the car's momentum?
A car with a mass of 1400 kg moves along the ice with a constant velocity of 18.0 m/s. What is the car's momentum?
2 points
2
Question 33
33.
When a bowling ball collides with a bowling pin,
When a bowling ball collides with a bowling pin,
2 points
2
Question 34
34.
If an action force is a cue ball hitting a billiard ball, then the reaction force is
If an action force is a cue ball hitting a billiard ball, then the reaction force is
2 points
2
Question 35
35.
Which of the following is NOT an example of projectile motion?
Which of the following is NOT an example of projectile motion?
2 points
2
Question 36
36.
Which of the following objects has the least acceleration?
Which of the following objects has the least acceleration?
2 points
2
Question 37
37.
When a moving bumper car collides with a bumper car at rest, which of the following occurs?
When a moving bumper car collides with a bumper car at rest, which of the following occurs?
2 points
2
Question 38
38.
A crumpled piece of paper hits the ground before a flat sheet of paper because
A crumpled piece of paper hits the ground before a flat sheet of paper because
2 points
2
Question 39
39.
Assuming 1 kg = 1000 g, a 5 kg object has less inertia than an object with a mass of
Assuming 1 kg = 1000 g, a 5 kg object has less inertia than an object with a mass of
2 points
2
Question 40
40.
According to Newton's First Law of Motion, a moving object that is not acted on by an unbalanced force will
According to Newton's First Law of Motion, a moving object that is not acted on by an unbalanced force will
2 points
2
Question 41
41.
A cue ball rolls toward a billiard ball with a velocity of 1.0 m/s east. Both balls have identical masses. What happens to the total momentum after the two balls collide?
A cue ball rolls toward a billiard ball with a velocity of 1.0 m/s east. Both balls have identical masses. What happens to the total momentum after the two balls collide?
2 points
2
Question 42
42.
Which of the following is NOT an action/reaction force pair?
Which of the following is NOT an action/reaction force pair?
2 points
2
Question 43
43.
An ice skater with a mass of 65 kg moves along the ice with a constant velocity of 2.0 m/s. What is the ice skater's momentum?
An ice skater with a mass of 65 kg moves along the ice with a constant velocity of 2.0 m/s. What is the ice skater's momentum?
2 points
2
Question 44
44.
Why does a ball that is thrown horizontally follow a path that is curved downward?
Why does a ball that is thrown horizontally follow a path that is curved downward?
2 points
2
Question 45
45.
If three balls made of steel, rubber and plastic were dropped at the same time from the same height, which would hit the ground first assuming no air resistance?
If three balls made of steel, rubber and plastic were dropped at the same time from the same height, which would hit the ground first assuming no air resistance?
2 points
2
Question 46
46.
A spacecraft orbiting the Earth is both moving forward and
A spacecraft orbiting the Earth is both moving forward and
2 points
2
Question 47
47.
Newton's first law of motion states that a moving object, unless it is acted on by an unbalanced force, will
Newton's first law of motion states that a moving object, unless it is acted on by an unbalanced force, will
2 points
2
Question 48
48.
An astronaut uses a jet of nitrogen to maneuver in space. This can be done because of
An astronaut uses a jet of nitrogen to maneuver in space. This can be done because of
2 points
2
Question 49
49.
A book weighs 6 N. If the acceleration due to gravity is 9.8 m/s2, what is the mass of the book in kg?
A book weighs 6 N. If the acceleration due to gravity is 9.8 m/s2, what is the mass of the book in kg?
2 points
2
Question 50
50.
A falling object's terminal velocity is reached when the force of gravity
A falling object's terminal velocity is reached when the force of gravity
2 points
2
Question 51
51.
What is the S.I. unit for pressure called?
What is the S.I. unit for pressure called?
2 points
2
Question 52
52.
Why doesn't ice float in air?
Why doesn't ice float in air?
2 points
2
Question 53
53.
How does atmospheric pressure change as you go from the top of a mountain to sea level?
How does atmospheric pressure change as you go from the top of a mountain to sea level?
2 points
2
Question 54
54.
Upon what does a soap bubble's shape depend?
Upon what does a soap bubble's shape depend?
2 points
2
Question 55
55.
Which of the following does NOT affect an airplane's lift?
Which of the following does NOT affect an airplane's lift?
2 points
2
Question 56
56.
In which of the following locations would the atmospheric pressure be greatest?
In which of the following locations would the atmospheric pressure be greatest?
2 points
2
Question 57
57.
When a fluid flows from area A to area B, area A is an area of greater
When a fluid flows from area A to area B, area A is an area of greater
2 points
2
Question 58
58.
Why do air bubbles in water rise to the surface?
Why do air bubbles in water rise to the surface?
2 points
2
Question 59
59.
Because fluid pressure is exerted evenly in all directions,
Because fluid pressure is exerted evenly in all directions,
2 points
2
Question 60
60.
Which of the following does NOT affect the amount of lift on an airplane's wing?
Which of the following does NOT affect the amount of lift on an airplane's wing?
2 points
2
Question 61
61.
Which of the following would NOT affect the level at which a ship cruises at sea?
Which of the following would NOT affect the level at which a ship cruises at sea?
2 points
2
Question 62
62.
Which of the following statements about fluids is NOT true?
Which of the following statements about fluids is NOT true?
2 points
2
Question 63
63.
When air is pumped into a tire,
When air is pumped into a tire,
2 points
2
Question 64
64.
Water pressure
Water pressure
2 points
2
Question 65
65.
Which of the following is affected by an airplane's speed?
Which of the following is affected by an airplane's speed?
2 points
2
Question 66
66.
Which of the following would NOT affect the level at which a canoe floats in a body of water?
Which of the following would NOT affect the level at which a canoe floats in a body of water?
2 points
2
Question 67
67.
Why would a pilot adjust a plane's wing flaps?
Why would a pilot adjust a plane's wing flaps?
2 points
2
Question 68
68.
Which of the following substances is less dense than air?
Which of the following substances is less dense than air?
2 points
2
Question 69
69.
What is the equation for pressure?
What is the equation for pressure?
2 points
2
Question 70
70.
When you exhale, what happens in the lungs?
When you exhale, what happens in the lungs?
2 points
2
Question 71
71.
Pressure exerted on a diver 10 m underwater is
Pressure exerted on a diver 10 m underwater is
1 point
1
Question 72
72.
What causes air to rush into a tornado?
What causes air to rush into a tornado?
2 points
2
Question 73
73.
What happens in the lungs when you exhale?
What happens in the lungs when you exhale?
2 points
2
Question 74
74.
In which 10 km interval does air pressure change the most?
In which 10 km interval does air pressure change the most?
2 points
2
Question 75
75.
What conclusion can you draw from this graph?
What conclusion can you draw from this graph?
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