# Unit 5
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**

Work (pp. 1-4)

It's All Uphill Lab (pp. 5-6)

** **

**Objective 2**

Power (pp. 7-8)

Powerhouse Lab (pp. 9-10)

** **

**Objective 3**

Work-Energy Bar Charts (pp. 11-12)

Energy Concepts (pp. 13-16)

Balancing the Score (pp. 19-20)

Work-Energy Conversion (pp. 21-22)

Stopping Distance vs. Velocity Lab (pp.
29-32)

All Work and No Play (pp. 23-24)

Cars and Barriers (p. 33)

Pizza Parlor Physics (pp. 35-36)

** **

**Objective 4**

Work-Energy Bar Charts (pp. 11-12)

Energy Concepts (pp. 13-16)

Energy of a Pendulum Lab (pp. 17-18)

Balancing the Score (pp. 19-20)

Total Mechanical Energy on an Incline Lab (pp.
25-27)

Sliding Masses and Kinetic Energy (p.
34)

**
**

Work (pp. 1-4)

#1 Examples and
Non-Examples of Work
#2 Units of Work

#3 Work as
F*d*cosine(Theta)

#4 Identifying the Force
Which Does Work

#5 Work as
F*d*cosine(Theta)

#6 Determining Whether a
Force Does Work

#7 Force, Work and
Acceleration

#8 Average Force and
Force-Displacement Plots

**
**

It's All Uphill Lab (pp. 5-6)

Work as
F*d*cosine(Theta)
Meaning of Theta in
F*d*cosine(Theta) Expression

Work-Energy
Relationship

Potential Energy

Kinetic
Energy

**
**

Power (pp. 7-8)

#1 Distinction Between
Work and Power
#2 Distinction Between Work
and Power

#3 Power Equation (Using
Equations as Guides to Thinking)

#4 Power Equation (Using
Equations as Guides to Thinking)

#5 Power as Work/Time - Basic
Computation

#6 Use of Conversion
Factors

#7 Use of Conversion
Factors

###

**Powerhouse Lab (pp. 9-10)**

Distinction
Between Work and Power
Free-Body
Diagrams

Power
as Work/Time - Basic Computation

###

**Work Energy Bar Charts (pp.
11-12)**

Additional information regarding the work-energy concepts
which parallels the discussion on this instructional page can be
found in Lesson 2c of Unit 5 of
The Physics Classroom.
**
**

Energy Concepts (pp. 13-16)

#1 Potential Energy
#2 Potential Energy and
Kinetic Energy

Internal vs. External
Forces

Energy Conservation

#3 Internal vs. External
Forces

Energy Conservation

#4 Internal vs. External
Forces

Energy Conservation

#5 Potential Energy and
Kinetic Energy

Internal vs. External
Forces

Work-Energy Theorem

Work-Energy Bar
Charts

#6 Potential Energy and
Kinetic Energy

Internal vs. External
Forces

Work-Energy Theorem

Work-Energy Bar
Charts

#7 Potential Energy and
Kinetic Energy

Internal vs. External
Forces

Work-Energy Theorem

Work-Energy Bar
Charts

#8 Potential Energy and
Kinetic Energy

Internal vs. External
Forces

Work-Energy Theorem

#9 Potential Energy and
Kinetic Energy

Internal vs. External
Forces

Work-Energy Theorem

#10 Work-Energy
Theorem

###

**Energy of a Pendulum Lab (pp.
17-18)**

Internal vs. External
Forces
Drawing Free-Body
Diagrams

Potential Energy

Kinetic Energy

Work-Energy Theorem

Work as
F*d*cosine(Theta)

Meaning of Theta in
F*d*cosine(Theta) Expression

Work-Energy Bar
Charts

###

**Balancing the Score (pp.
19-20)**

#1and #2 Work-Energy Bar
Charts
Kinetic Energy and
Potential Energy

Work-Energy Theorem

#3 Work-Energy Bar
Charts

Kinetic Energy and
Potential Energy

Work-Energy Theorem

#4 Work-Energy Bar
Charts

Kinetic Energy and
Potential Energy

Elastic Potential
Energy

Work-Energy
Theorem

###

**Work-Energy Conversion (pp.
21-22)**

#1, #2, #4, and #5
Work-Energy Bar
Charts

Kinetic Energy

Potential Energy

Work-Energy Theorem

#3 Using Equations as Guides to Thinking

Velocity-Stopping Distance
Relationship

**
**

All Work and No Play Lab (pp.
23-24)

Work as
F*d*cosine(Theta)
Meaning of Theta in
F*d*cosine(Theta) Expression

Free-Body Diagrams

Work-Energy
Relationship

**
**

Total Mechanical Energy on an Incline Lab (pp.
25-27)

Internal vs. External
Forces
Drawing Free-Body
Diagrams

Potential Energy

Kinetic Energy

Energy Conservation

Work-Energy Bar
Charts

###

**Stopping Distance vs. Velocity Lab (pp.
29-32)**

Free-Body Diagrams
Work-Energy Theorem

Work-Energy Bar
Charts

Graphical Analysis of Data

Stopping Distance and
Velocity

Equations as Guides to Thinking

Kinematic Equations

**
**

Cars and Barriers (p. 33)

Work-Energy Theorem
Stopping Distance and
Velocity

Work as
F*d*cosine(Theta)

###

**Sliding Masses and Kinetic Energy (p.
34)**

Potential Energy and
Kinetic Energy
Energy
Conservation

###

**Pizza Parlor Physics (pp.
35-36)**

Work-Energy Theorem
Kinetic Energy

Work as
F*d*cosine(Theta)

Newton's Second Law

Free-Body Diagrams

Kinematic Equations

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.

This page created by Tom
Henderson of Glenbrook
South High School.
Comments and suggestions can be sent by
e-mail to Tom
Henderson.

This page last updated on
8/24/98.