# Unit 2 Packet

Regular Physics
To optimize your use of this resource, click on the links for individual questions in your unit packet. The link will bring you to online help related to that question. Carefully read the resource material and procede to answer the questions in your unit packet. Answers and complete solutions to the Supplementary Challenges section can also be reviewed.

Objective 1

Inertia

Mass vs. Weight

Objective 2

Balanced vs. Unbalanced Forces

Net Force and Acceleration

Objective 3

The Rocket Simulation

Objective 4

Net Force Help Sheet

Recognizing Forces

Application of Net Force Concept

Free Body Diagrams

Sliding Friction Lab

Objective 5

Acceleration of Gravity Lab

Objective 6

Terminal Velocity Simulation

Bronco Brown

The Elephant and The Feather

Objective 7

Newton's Third Law

Objective 8

Newton's Laws and Kinematics

### Pass the Water Please Lab (pp. 1-2)

Newton's First Law

Inertia

"What Water Keeps on Doing"

Changing the State of Motion

### Inertia (pp. 3-4)

#1 Definition of Inertia

#2 Statement of Newton's First Law

#3 Relationship Between Inertia and Mass

#4 Relationship Between Inertia and Mass

#5 Newton's First Law

#6 Factors Effecting (and not Effecting) Inertia

#7 Newton's First Law

#8 Newton's First Law

#9 Newton's First Law and Relative Motion

#10 Meaning of Inertia and its Relation to Mass

### Mass vs. Weight (p. 5)

#1 Mass vs. Weight

#2 Mass-Weight Relationship

#3 Mass-Weight Relationship

#4 Mass vs. Weight

#5 Conversion Factors

#6 Conversion Factors

### Balanced vs. Unbalanced Forces (pp. 7-8)

#1 Unbalanced Forces as the Cause of Acceleration

Ticker Tape Diagrams

#2 Associating Unbalanced Forces with Acceleration

Velocity-Time Graphs (meaning of shape)

#3 Associating Unbalanced Forces with Acceleration

Newton's First Law (Objects in motion...)

Ticker Tape Diagrams

Velocity-Time Graphs (meaning of shape)

### Net Force and Acceleration (pp. 9-10)

#1 Determining the Net Force

#2 Misconceptions about Forces and Motion

#3 Misconceptions about Forces and Motion

#4 Associating Unbalanced Forces with Acceleration

Velocity-Time Graphs (meaning of shape)

### The Rocket Simulation (pp. 11-12)

Newton's Second Law of Motion

Qualitative Relations Between Force, Accel'n and Mass

### Net Force Help Sheet (pp. 13-14)

Types of Forces and Their Symbols

Drawing Free-Body Diagrams

Determining the Acceleration from Individual Forces

### Recognizing Forces (pp. 15-17)

Types of Forces

Complete Online Solutions to Activity

### Application of Net Force Concept (pp. 19-20)

#1 Determining Individual Forces from Knowledge of Net Force

#2 Determining Individual Forces from Knowledge of Net Force

#3 Determining Individual Forces from Knowledge of Net Force

Velocity-Time Graphs (meaning of shape)

#4 Determining Acceler'n from Knowledge of Individual Force Values

Velocity-Time Graphs (meaning of shape)

#4 Determining Acceler'n from Knowledge of Individual Force Values

Determination of Acceleration from Velocity-Time Information

### Free-Body Diagrams (pp. 21-22)

Drawing Free-Body Diagrams

Recognizing Types of Forces

Newton's Second Law

### Sliding Friction Lab (pp. 23-24)

#1 Drawing Free-Body Diagrams

#4 - #6 Plotting Data and Determining Eq'ns of Lines

#7 and #8 Friction vs. Coefficient of Friction

### Acceleration of Gravity (pp. 25-26)

Drawing Free-Body Diagrams

Determining Acceler'n from Knowledge of Individual Force Values

Velocity-Time Graphs (meaning of shape)

The Value of g

### Terminal Velocity Lab (pp. 27-28)

#1 Factors Effecting the Amount of Air Resistance

#3 Factors Effecting the Terminal Velocity of an Object

### Bronco Brown (p. 29)

Air Resistance and Terminal Velocity

Determining Acceler'n from Knowledge of Individual Force Values

### The Elephant and The Feather (p. 30)

Air Resistance and Terminal Velocity

### Newton's Third Law (pp. 31-32)

Identifying Action-Reaction Force Pairs

Recognizing Equality of Interacting Forces

### Newton's Laws and Kinematics (pp. 33-34)

Using Newton's Second Law to ...

... Determine the Acceleration

... Determine an Individual Force Value

Using Kinematic Equations

### Supplementary Challenges

See answers and accompanying solutions to all odd-numbered problems.

Additional resources for physics students are available through links on the GBS Physics Home Page. Such resources include the Multimedia Physics Studios , a collection of animations and movies which illustrate key physics concepts and the Shockwave Physics Studios, a collection of interactive Shockwave exercises.