Table Of ContentCONVERSIONS BETWEEN U.S.CUSTOMARY UNITS AND SI UNITS (Continued)
Times conversion factor
U.S. Customary unit Equals SI unit
Accurate Practical
Moment of inertia (area)
inch to fourth power in.4 416,231 416,000 millimeter to fourth
power mm4
inch to fourth power in.4 0.416231 10 6 0.416 10 6 meter to fourth power m4
Moment of inertia (mass)
slug foot squared slug-ft2 1.35582 1.36 kilogram meter squared kg·m2
Power
foot-pound per second ft-lb/s 1.35582 1.36 watt (J/s or N·m/s) W
foot-pound per minute ft-lb/min 0.0225970 0.0226 watt W
horsepower (550 ft-lb/s) hp 745.701 746 watt W
Pressure; stress
pound per square foot psf 47.8803 47.9 pascal (N/m2) Pa
pound per square inch psi 6894.76 6890 pascal Pa
kip per square foot ksf 47.8803 47.9 kilopascal kPa
kip per square inch ksi 6.89476 6.89 megapascal MPa
Section modulus
inch to third power in.3 16,387.1 16,400 millimeter to third power mm3
inch to third power in.3 16.3871 10 6 16.4 10 6 meter to third power m3
Velocity (linear)
foot per second ft/s 0.3048* 0.305 meter per second m/s
inch per second in./s 0.0254* 0.0254 meter per second m/s
mile per hour mph 0.44704* 0.447 meter per second m/s
mile per hour mph 1.609344* 1.61 kilometer per hour km/h
Volume
cubic foot ft3 0.0283168 0.0283 cubic meter m3
cubic inch in.3 16.3871 10 6 16.4 10 6 cubic meter m3
cubic inch in.3 16.3871 16.4 cubic centimeter (cc) cm3
gallon (231 in.3) gal. 3.78541 3.79 liter L
gallon (231 in.3) gal. 0.00378541 0.00379 cubic meter m3
*An asterisk denotes an exactconversion factor
Note:To convert from SI units to USCS units, divideby the conversion factor
5
Temperature Conversion Formulas T(°C) [T(°F) 32] T(K) 273.15
9
5
T(K) [T(°F) 32] 273.15 T(°C) 273.15
9
9 9
T(°F) T(°C) 32 T(K) 459.67
5 5
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Engineering Mechanics
Dynamics
Third Edition
SI Edition
Andrew Pytel
The Pennsylvania State University
Jaan Kiusalaas
The Pennsylvania State University
SI Edition prepared by Ishan Sharma
Indian Institute of Technology, Kanpur
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EngineeringMechanics: ©1999,2010CengageLearning
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Contents
PrefacetotheSIEdition xi
Preface xiii
Chapter11 IntroductiontoDynamics 1
11.1 Introduction 1
11.2 DerivativesofVectorFunctions 3
11.3 Position,Velocity,andAccelerationofaParticle 4
11.4 NewtonianMechanics 5
Chapter12 DynamicsofaParticle:Rectangular
Coordinates 15
12.1 Introduction 15
12.2 Kinematics 16
12.3 Kinetics:Force-Mass-AccelerationMethod 27
12.4 DynamicsofRectilinearMotion 29
12.5 CurvilinearMotion 44
*12.6 AnalysisofMotionbytheAreaMethod 56
Chapter13 DynamicsofaParticle:Curvilinear
Coordinates 69
13.1 Introduction 69
13.2 Kinematics—Path(Normal-Tangential)Coordinates 70
13.3 Kinematics—PolarandCylindricalCoordinates 82
13.4 Kinetics:Force-Mass-AccelerationMethod 95
Chapter14 Work-EnergyandImpulse-Momentum
PrinciplesforaParticle 117
14.1 Introduction 117
14.2 WorkofaForce 118
14.3 PrincipleofWorkandKineticEnergy 122
14.4 ConservativeForcesandtheConservationofMechanical
Energy 133
*Indicatesoptionalarticles
vii
