9780131448513

Ranking Task Exercises in Physics Student Edition

by ; ;
  • ISBN13:

    9780131448513

  • ISBN10:

    013144851X

  • Edition: 1st
  • Format: Paperback
  • Copyright: 2003-10-28
  • Publisher: Pearson

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Summary

This book features Ranking Task exercises - an innovative type of conceptual exercise that challenges readers to make comparative judgments about a set of variations on a particular physical situation. Two-hundred-and-eighteen exercises encourage readers to formulate their own ideas about the behavior of a physical system, correct any misconceptions they may have, and build a better conceptual foundation of physics.Covering as many topic domains in physics as possible, the book contains Kinematics Ranking Tasks, Force Ranking Tasks, Projectile and Other Two-Dimensional Motion Ranking Tasks, Work-Energy Ranking Tasks, Impulse-Momentum Ranking Tasks, Rotation Ranking Tasks, SHM and Properties of Matter Ranking Tasks, Heat and Thermodynamics Ranking Tasks, Electrostatics Ranking Tasks, DC Circuit Ranking Tasks, Magnetism and Electromagnetism Ranking Tasks, and Wave and Optics Ranking Tasks.For anyone who wants a better conceptual understanding of the many areas of physics.

Table of Contents

Preface xi
Acknowledgments xiii
Ranking Task Sample I xv
Ranking Task Sample II xvi
Kinematics Ranking Tasks
Ball Motion Diagrams - Velocity I
1(1)
Ball Motion Diagrams - Acceleration I
2(1)
Ball Motion Diagrams - Velocity II
3(1)
Ball Motion Diagrams - Acceleration II
4(1)
Objects in Different Situations - Accelerations
5(1)
Vertical Model Rockets - Maximum Height
6(1)
Vertical Arrows - Maximum Height
7(1)
Position Time Graphs - Displacement
8(1)
Cars - Change of Velocity
9(1)
Position Time Graphs - Average Speed
10(1)
Motion Diagrams - Displacement
11(1)
Motion Diagrams - Average Velocity
12(1)
People on Trains - Speed Relative to Ground
13(1)
Force Ranking Tasks
Carts Moving Along Horizontal Surface - String Tension
14(1)
Carts Moving Along Horizontal Surface - Acceleration
15(1)
Carts Moving Along Horizontal Surface - Slowing Down
16(1)
Two-Dimensional Forces on a Treasure Chest - Final Speed
17(1)
Two-Dimensional Forces on a Treasure Chest - Acceleration
18(1)
Arrows - Acceleration
19(1)
Rocks Thrown Upward - Net Force
20(1)
Rocks Thrown Downward - Net Force
21(1)
Rocks Thrown Downward - Acceleration
22(1)
Model Rockets Moving Upward - Net Force
23(1)
Blocks Attached to Fixed Objects - Rope Tension
24(1)
Ball Motion Diagram - Net Force
25(1)
Force Acceleration Graphs - Mass
26(1)
Two Different Blocks and a Pulley - Tension
27(1)
Ropes Pulling Boxes - Acceleration
28(1)
Ropes Pulling Boxes - Rope Tension
29(1)
Two Different Blocks and a Pulley - Net Force
30(1)
Moving Car and Boat Trailer - Force Difference
31(1)
Accelerating Car and Boat Trailer - Force Difference
32(1)
Car and Boat Trailer on an Incline - Force Difference
33(1)
Forces on Objects on Smooth Surfaces - Velocity Change
34(1)
Forces on Objects on Smooth Surfaces - Speed Change
35(1)
Forces on Objects on Rough Surfaces - Velocity Change
36(1)
Forces on Objects on Rough Surfaces - Speed Change
37(1)
Person in an Elevator Moving Upward - Scale Weight
38(1)
Person in an Elevator Moving Downward - Scale Weight
39(1)
Two Blocks at Rest - Force Difference
40(1)
Two Moving Blocks - Force Difference
41(1)
Two Accelerating Blocks - Force Difference
42(1)
Horizontal Arrows at Different Distances - Force
43(1)
Horizontal Arrows at Different Times - Force
44(1)
Horizontal Arrows at Different Distances and Times - Force
45(1)
Projectile and Other Two - Dimensional Motion Ranking Tasks
Water Over a Waterfall - Time to Reach Ground
46(1)
Rifle Shots - Time to Hit Ground
47(1)
Toy Trucks Rolling Off Tables - Time in Air
48(1)
Arrows - Maximum Heights
49(1)
Rock Throw - Maximum Heights
50(1)
Model Rockets Fired at an Angle - Horizontal Speed at Top
51(1)
Cannon Shots - Acceleration at the Top
52(1)
Carts on Incline - Height After Leaving Incline
53(1)
Projectile - Horizontal Distance
54(1)
Projectile - Time in Air
55(1)
Work - Energy Ranking Tasks
Boxcars and Ropes - Stopping Force in Same Distance
56(1)
Cars and Barriers - Stopping Force in Same Distance I
57(1)
Cars and Barriers - Stopping Distance with the Same Force
58(1)
Cars - Work Done in Change of Velocity
59(1)
Bouncing Cart - Change in Kinetic Energy
60(1)
Bouncing Cart - Work Done by the Barrier
61(1)
Bouncing Cart - Work Done on the Barrier
62(1)
Model Rockets - Kinetic Energy
63(1)
Sliding Masses on Incline - Kinetic Energy
64(1)
Sliding Masses on Incline - Change in Potential Energy
65(1)
Cars - Change in Kinetic Energy During a Change of Velocity
66(1)
Ball Motion Diagram - Kinetic Energy
67(1)
Equal Forces on Boxes - Work Done on Box
68(1)
Equal Force on Boxes - Work Done on Hand
69(1)
Velocity Time Graph - Work Done on Box
70(1)
Pendulums - Maximum Speed of the Bob
71(1)
Force Pushing Box - Change in Kinetic Energy
72(1)
Pushing Box with Friction - Change in Kinetic Energy
73(1)
Impulse - Momentum Ranking Tasks
Cars and Barriers - Stopping Time with the Same Force
74(1)
Exploding Shells - Final Location of Center of Mass
75(1)
Bouncing Cart - Change in Momentum I
76(1)
Bouncing Cart - Change in Momentum II
77(1)
Bouncing Cart - Change in Momentum III
78(1)
Force Pushing Box - Change in Momentum
79(1)
Force Pushing Box - Final Momentum
80(1)
Cars - Impulse During a Change of Velocity
81(1)
Cars - Change in Momentum During a Change of Velocity
82(1)
Rotation Ranking Tasks
Four L's Rotating About an Axis (side view) - Moment of Inertia
83(1)
Five T's Rotating About an Axis (top view) - Moment of Inertia
84(1)
Four T's Rotating About an Axis (side view) - Moment of Inertia
85(1)
Five T's Rotating About an Axis (top view) - Net Gravitational Torque
86(1)
Five T's Rotating About an Axis (top view) - Angular Acceleration
87(1)
Blocks on Rotating Turntables - Horizontal Force
88(1)
Hanging Weights and Fixed Disks - Torque
89(1)
Horizontal Uniform Rods - Angular Acceleration
90(1)
Horizontal Uniform Rods - Change in Angular Momentum
91(1)
Rotating Systems of Point Masses - Difficult to Rotate
92(1)
Rotating Systems of Point Masses - Center of Mass
93(1)
Statics - Difficult to Hold I
94(1)
Statics - Difficult to Hold II
95(1)
SHM and Properties of Matter Ranking Tasks
Springs and Masses - Period of Oscillating Mass
96(1)
SHM Equations - Period, Maximum Velocity and Acceleration
97(1)
Blocks Suspended in Liquids - Buoyant Force
98(1)
Blocks Suspended in Liquids - Volume of Liquid Displaced
99(1)
Blocks Suspended in Liquids - Mass of Liquid Displaced
100(1)
Blocks Suspended in Liquids at Different Depths - Buoyant Force
101(1)
Floating Blocks with Different Loads - Buoyant Force
102(1)
Blocks Suspended in Water - String Tension
103(1)
Blocks Suspended in Liquids - Buoyant Force II
104(1)
Blocks Floating in Liquids - Buoyant Force
105(1)
Blocks at the Bottom of Liquids - Buoyant Force
106(1)
Cylinders of Water - Pressure on the Plug I
107(1)
Cylinders of Liquids - Pressure on the Plug II
108(1)
Heat and Thermodynamics Ranking Tasks
Various Thermodynamic Processes - Work Done by Gas
109(1)
Gas Cylinders - Pressure
110(1)
Pressure vs. Volume Graph - Temperature at Different Points I
111(1)
Pressure vs. Volume Graph - Temperature at Different Points II
112(1)
Pressure, Temperature, and Molecules - Internal Energy
113(1)
Pressure, Volume, and Molecules - Temperature
114(1)
Internal Energy, Volume, and Molecules - Temperature
115(1)
Internal Energy, Volume, and Molecules - Pressure
116(1)
Temperature, Pressure, and Molecules - Internal Energy
117(1)
Piston Containers - Pressure
118(1)
Piston Containers - Mass
119(1)
Variety of Piston Containers - Pressure
120(1)
Variety of Piston Containers - Number of Moles
121(1)
Electrostatics Ranking Tasks
Two Electric Charges - Electric Force
122(1)
Two Electric Charges - Electric Potential
123(1)
Three Electric Charges - Electric Potential Energy
124(1)
Three Linear Electric Charges - Electric Force
125(1)
Two Nonlinear Electric Charges - Electric Force
126(1)
Charged Conducting Spheres - Electric Field at the Center
127(1)
Charged Conducting Spheres - Electric Potential at the Center
128(1)
Charged Conducting Spheres - Electric Field at Various Points
129(1)
Charged Conducting Spheres - Electric Potential at Various Points
130(1)
Charges Outside a Conducting Sphere - Force on Enclosed Charge
131(1)
Point Charges Outside Conducting Spheres - Electric Field Within
132(1)
Point Charges near Uncharged Conductors - Attractive Force
133(1)
Induced Charges - Near a Charged Rod
134(1)
Pairs of Charges - Attractive and Repulsive Force
135(1)
Suspended Charges - Angle
136(1)
Uniform Electric Field - Electric Force on Charge at Rest I
137(1)
Uniform Electric Field - Electric Force on Charge at Rest II
138(1)
Uniform Electric Field/Potential Lines - Force on Charge at Rest III
139(1)
Uniform Electric Field - Electric Force on Various Charges at Rest
140(1)
Two Electric Charges - Electric Field Along Line
141(1)
Electron Within a Charged Capacitor - Force on the Electron
142(1)
Transfer of Charge in Conductors - Left Conductor
143(1)
Transfer of Charge in Conductors - Right Conductor
144(1)
Non-Uniform Electric Field - Electric Potential
145(1)
Non-Uniform Electric Field - Electric Field Strength
146(1)
Uniform Electric Field - Potential Difference
147(1)
Uniform Electric Field - Strength of the Electric Field I
148(1)
Uniform Electric Field - Strength of the Electric Field II
149(1)
Uniform Electric Field/Potential Lines - Strength of the Electric Field
150(1)
Uniform Electric Field - Electric Potential at Different Points II
151(1)
Uniform Electric Field - Change in Potential Energy of a Positive Charge
152(1)
Uniform Electric Field - Change in Potential Energy of a Negative Charge
153(1)
Electron Within a Charged Capacitor - Electric Potential Energy
154(1)
DC Circuit Ranking Tasks
Basic Circuits with Identical Capacitors - Charge on a Capacitor
155(1)
Simple Capacitor Circuits - Charge on a Capacitor
156(1)
Simple Capacitor Circuits - Charge on Capacitors
157(1)
Basic Circuits with Identical Capacitors - Voltage Across a Capacitor
158(1)
Circuits with Resistors and Capacitors - Current
159(1)
Current Carrying Wires with Different Lengths - Net Charge
160(1)
Batteries and Bulbs - Bulb Brightness
161(1)
Simple Resistor Circuits - Resistance
162(1)
Simple Resistor Circuits - Current I
163(1)
Simple Resistor Circuits - Voltage
164(1)
Simple Resistor Circuits - Current II
165(1)
Simple Circuits - Bulb Brightness
166(1)
Simple Circuits - Ammeter Reading
167(1)
Simple Circuits - Potential Difference I
168(1)
Simple Circuits - Potential Difference II
169(1)
Simple Circuits - Equivalent Resistor
170(1)
Current Carrying Wires with Different Resistances - Net Charge
171(1)
Simple Resistor Circuits - Voltage Drop
172(1)
Parallel Circuits - Voltmeter Readings Across Open Switches I
173(1)
Parallel Circuits - Voltmeter Readings Across Open Switches II
174(1)
Circuit with Two Open and Closed Switches - Ammeter Readings
175(1)
Circuit with Two Open and Closed Switches - Voltmeter Readings
176(1)
Circuit with Three Open and Closed Switches - Voltmeter Readings I
177(1)
Circuit with Three Open and Closed Switches - Voltmeter Readings II
178(1)
Circuit with Three Open and Closed Switches - Ammeter Readings
179(1)
Magnetism and Electromagnetism Ranking Tasks
Moving Charges in Uniform Magnetic Field - Acceleration
180(1)
Moving Charges in Uniform Magnetic Field - Change in Kinetic Energy
181(1)
Currents at Corners of Squares - Magnetic Field at Center
182(1)
Magnetic Fields by Currents at Corners of Squares - Magnetic Field at Center
183(1)
Bars Moving in Magnetic Fields - Force on Electrons
184(1)
Charged Particle and a Uniform Magnetic Field - Acceleration
185(1)
Charged Particle and a Uniform Magnetic Field - Force
186(1)
Charged Particles in Uniform Magnetic Fields - Work Done
187(1)
Charged Particles in Uniform Magnetic Fields - Magnetic Field
188(1)
Charges Near Magnets - Magnetic Force
189(1)
Pairs of Long Current Carrying Wires - Magnetic Field
190(1)
Pairs of Equal Current Electromagnets - Force
191(1)
Pairs of Equal Current Electromagnets - Magnetic Field Between
192(1)
Unequal Current Electromagnets - Magnetic Field at Ends
193(1)
Electromagnets with Unequal Currents - Magnetic Field Between
194(1)
Graph of Current vs. Time - Induced Current
195(1)
Wave and Optics Ranking Tasks
Wave Forms with Same Frequency - Wave Speed
196(1)
Wave Pulses - Leading Edge Time to Travel
197(1)
Wave Forms with Same Wavelength - Wave Speed
198(1)
Wave Forms with Same Wavelength - Wave Energy
199(1)
Wave Equations - Frequency, Wave Velocity, and Wavelength
200(1)
Pairs of Transverse Waves - Superposition
201(1)
Two In-Phase Wave Sources - Intensity at a Point I
202(1)
Two Out of Phase Wave Sources - Intensity at a Point
203(1)
Two In-Phase Wave Sources - Intensity at a Point II
204(1)
Standing Waves - Frequency
205(1)
Standing Waves - Wavelength
206(1)
Standing Waves Systems - Wave Speed
207(1)
Person in Plane Mirror - Fraction Visible
208(1)
Lenses and Mirrors - Focal Length in Water
209(1)
Lenses and Mirrors - Image Distance
210(1)
Lenses and Mirrors - Object to Image Distance
211(1)
Lenses - Object to Image Distance
212(1)
Lenses with Baffles - Image Fraction
213(1)
Lens, Object, and Shade - Image Brightness
214(1)
Cracked or Broken Lenses - Image Size
215(1)
Cracked or Broken Lenses - Image Brightness
216(1)
Two Lenses - Image Distance to Second Lens
217(1)
Thin Films - Phase Changes
218

Excerpts

This workbook is designed to be a resource for students to deepen their understanding of physic. Students need to get beyond the "memorize and recall" approach and this workbook will be useful for that purpose. The tasks in this manual ask the user to apply the ideas that are being learned in a new way. Using the ideas in different ways will get the user to think about those ideas in more breadth and depth, leading to a stronger understanding. The tasks in this manual grew out of investigations into students thinking about physics as they were learning the subject. These tasks are likely to be quite different from the tasks you have encountered in other math and science courses. They are different in several ways. First, comparing several similar situations to each other, rather than finding a particular value associated with a situation, is likely to be new. This novelty may make doing ranking tasks uncomfortable since you may feel insecure about how to determine such comparisons. Practice will make this reaction fade. A second way these tasks differ from more familiar ones is that a number of these tasks will contain irrelevant information. Since you are probably used to problems where all information provided needs to be used, the job of having to determine whether, and what, information may be irrelevant may be challenging until you get used to it. But you should be aware that problems in real life very often require determining what information is needed and what information can be ignored. Since that is the case it is worthwhile to have some practice with such problems in academic settings also. Another difference is that these tasks ask you to determine and write a ranking, then explain the reasoning/work behind your ranking sequence, and finally indicate a confidence level for your work. It is important to explicitly write out your explanations, even when you are doing the items for yourself, because you will often find that your thinking will change and improve when you try to explain what you did and why you did it. A fourth difference is that there are groups of related tasks throughout the workbook. The tasks in these groupings can be related in a number of ways. For example, the situations in two tasks may be exactly the same, but the basis for the ranking may be different. Thinking about the similarities and differences among tasks in such groupings can provide very useful insights into the physics of the situations. This workbook is designed to be useful for students in all introductory-level physics courses, so some of the tasks included may involve ideas, and/or mathematics, specific to other courses. Please do not be concerned if some of the tasks seem not related to your course or background. Since the format for the ranking tasks in this workbook is most likely unfamiliar to you, you would be well advised to spend a little time getting used to the format itself before trying to deal with these tasks. To aid in the familiarization process we have 15rovided several example tasks showing how to complete the tasks correctly. We do strongly encourage you to read and study these introductory materials so that you feel comfortable with the structure and response process for ranking tasks before you start these physics ranking tasks. When you approach a ranking task you should not try to think of some equation that uses the quantities given and then plug the values in to find the "answers." As mentioned above, many of the ranking tasks contain irrelevant information, in some cases all of the numerical values provided are irrelevant. So if you automatically take a "plug and chug" approach to the ranking tasks you will find that you are often going to be doing calculations for nothing. The best way to tackle a ranking task is to think about how you expect the object/system in the physical situation to behave. Then use the given information to determine the specific comparisons among the given variations.

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