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EGN8.   Engineering Statics (3)
Prerequisite: PHY-4A with a grade of "C" or better.
Corequisite: MAT-3B
Lec 3 Hrs
Lecture: Monday/Wednesday/Friday 10:00 – 10:50AM, MER8
Semesters offered: Fall 2012
Instructor: Dr. Melissa Hornstein
SI: Gerald Junsay
SI hours: Tuesday 1-2pm, Thursday 1-2pm, Friday 12-1pm in the Rotarium
Syllabus
 Textbook:
Beer Johnston Textbook
Analyzes force vectors on structures in equilibrium, properties of forces, moments, couples and resultants, conditions for equilibrium, friction, centroids, and moments of inertia. Included are equilibrium of rigid bodies, trusses, frames, and machines, as well as the calculation of centers of mass, centroids, friction, distributed forces, beams, shear and moment diagrams, and moments of inertia.

Statics blackboard

Week Date Class material* Homework (due at quiz)**
1 Monday, August 20, 2012 Review of syllabus
Chapter 1: Introduction
  • 1.1: What is Mechanics?
  • 1.2: Fundamental Concepts and Principles
  • 1.3: Systems of Units
  • 1.4: Conversion from One System of Units to Another
  • 1.5: Method of Problem Solution
  • 1.6: Numerical Accuracy
  • Update email address on PAWS.
  • Acquire a copy of the textbook.
  • Read Chapter 1.
  • Review the six fundamental principles.
  • Statics hasn't changed much in the last 150 years. Try reading this book while waiting for your text to arrive.
Wednesday, August 22, 2012 Chapter 2: Statics of Particles
Forces in a Plane
  • 2.1: Introduction
  • 2.2: Force on a Particle, Resultant of Two Forces
  • 2.3: Vectors
  • 2.4: Addition of Vectors
  • 2.5: Resultant of Several Concurrent Forces
  • 2.6: Resolution of a Force into Components
  • 2.7: Rectangular Components of a Force. Unit Vectors
  • 2.8: Addition of Forces by Summing X and Y Components
Friday, August 24, 2012 Chapter 2: Statics of Particles
Forces in a Plane
  • 2.9: Equilibrium of a Particle
  • 2.10: Newton's First Law of Motion
  • 2.11: Problems Involving the Equilibrium of a Particle. Free-Body Diagrams
2 Monday, August 27, 2012 Chapter 2: Statics of Particles
Forces in a Plane
  • 2.9: Equilibrium of a Particle
  • 2.10: Newton's First Law of Motion
  • 2.11: Problems Involving the Equilibrium of a Particle. Free-Body Diagrams
Wednesday, August 29, 2012 Quiz - Statics of Particles
Friday, August 31, 2012 Review of Quiz
Chapter 3: Rigid Bodies: Equivalent Systems of Forces
  • 3.1: Introduction
  • 3.2: External and Internal Forces
  • 3.3: Principle of Transmissibility. Equivalent Forces
  • 3.4: Vector Product of Two Vectors
  • 3.5: Vector Products Expressed in Terms of Rectangular Components
  • 3.6: Moment of a Force About a Point
  • 3.7: Varignon's Theorem
  • 3.8: Rectangular Components of the Moment of a Force
3 Monday, September 3, 2012 No class - Labor Day
Wednesday, September 5, 2012 Chapter 3: Rigid Bodies: Equivalent Systems of Forces
  • 3.1: Introduction
  • 3.2: External and Internal Forces
  • 3.3: Principle of Transmissibility. Equivalent Forces
  • 3.4: Vector Product of Two Vectors
  • 3.5: Vector Products Expressed in Terms of Rectangular Components
  • 3.6: Moment of a Force About a Point
  • 3.7: Varignon's Theorem
  • 3.8: Rectangular Components of the Moment of a Force
  • Read Chapter 3.1-3.8.
  • Do problems 3.9, 3.25.
Friday, September 7, 2012 Chapter 3: Rigid Bodies: Equivalent Systems of Forces
Problem-solving session - Moment
4 Monday, September 10, 2012 Quiz - Moment
Wednesday, September 12, 2012 Review of Quiz
Chapter 3: Rigid Bodies: Equivalent Systems of Forces
  • 3.12: Moment of a Couple
  • 3.13: Equivalent Couples
  • 3.14: Addition of Couples
  • Read Chapter 3.12-3.14.
  • Do problems 3.71(a), 3.72.
Friday, September 14, 2012 Chapter 3: Rigid Bodies: Equivalent Systems of Forces
  • 3.12: Moment of a Couple
  • 3.13: Equivalent Couples
  • 3.14: Addition of Couples
  • 3.15: Couples Can Be Represented by Vectors
  • 3.16: Resolution of a Given Force into a Force at O and a Couple
  • Read Chapter 3.12-3.16.
  • Do problems 3.83, 3.85.
5 Monday, September 17, 2012 Chapter 3: Rigid Bodies: Equivalent Systems of Forces
  • 3.12: Moment of a Couple
  • 3.13: Equivalent Couples
  • 3.14: Addition of Couples
  • 3.15: Couples Can Be Represented by Vectors
  • 3.16: Resolution of a Given Force into a Force at O and a Couple
  • 3.17: Reduction of a System of Forces to One Force and One Couple
  • 3.18: Equivalent Systems of Forces
  • 3.19: Equipollent Systems of Vectors
  • 3.20: Further Reduction of a System of Forces
  • Read Chapter 3.12-3.20.
  • Do problems 3.101, 3.103, 3.113 (using M_G).
Wednesday, September 19, 2012 Chapter 3: Rigid Bodies: Equivalent Systems of Forces
Problem-solving session - Couple
Friday, September 21, 2012 Quiz - Couple
6 Monday, September 24, 2012 Review of Quiz
Grade report
Chapter 4: Equilibrium of Rigid Bodies
  • 4.1: Introduction
  • 4.2: Free-Body Diagram
Equilibrium in Two Dimensions
  • 4.3: Reactions at Supports and Connections for a Two-Dimensional Structure
  • 4.4: Equilibrium of a Rigid Body in Two Dimensions
  • 4.5: Statically Indeterminate Reactions. Partial Constraints
  • Read Chapter 4.1-4.5.
  • Do problem 4.2.
Wednesday, September 26, 2012 Chapter 4: Equilibrium of Rigid Bodies
  • 4.1: Introduction
  • 4.2: Free-Body Diagram
Equilibrium in Two Dimensions
  • 4.3: Reactions at Supports and Connections for a Two-Dimensional Structure
  • 4.4: Equilibrium of a Rigid Body in Two Dimensions
  • 4.5: Statically Indeterminate Reactions. Partial Constraints
  • Read Chapter 4.1-4.5.
  • Do problem 4.23.
Friday, September 28, 2012 Chapter 4: Equilibrium of Rigid Bodies
  • 4.1: Introduction
  • 4.2: Free-Body Diagram
Equilibrium in Two Dimensions
  • 4.3: Reactions at Supports and Connections for a Two-Dimensional Structure
  • 4.4: Equilibrium of a Rigid Body in Two Dimensions
  • 4.5: Statically Indeterminate Reactions. Partial Constraints
  • Read Chapter 4.1-4.5.
  • Do problems 4.43, 4.24.
7 Monday, October 1, 2012 Chapter 4: Equilibrium of Rigid Bodies
Problem-solving session - 2D Equilibrium		 Take home Quiz - Equilibrium due next Monday
Wednesday, October 3, 2012 Class cancelled (FIE conference)
Friday, October 5, 2012 Chapter 4: Equilibrium of Rigid Bodies
Equilibrium in Three Dimensions
  • 4.8: Equilibrium of a Rigid Body in Three Dimensions
  • 4.9: Reactions at Supports and Connections for a Three-Dimensional Structure
  • Read Chapter 4.8-4.9.
8 Monday, October 8, 2012 Chapter 4: Equilibrium of Rigid Bodies
Equilibrium in Three Dimensions
  • 4.8: Equilibrium of a Rigid Body in Three Dimensions
  • 4.9: Reactions at Supports and Connections for a Three-Dimensional Structure
  • Read Chapter 4.8-4.9.
  • Do problems 4.94, 4.99.
Wednesday, October 10, 2012 Review of quiz
Chapter 4: Equilibrium of Rigid Bodies
Equilibrium in Three Dimensions
  • 4.8: Equilibrium of a Rigid Body in Three Dimensions
  • 4.9: Reactions at Supports and Connections for a Three-Dimensional Structure
  • Read Chapter 4.8-4.9.
  • Do problem 4.107.
Friday, October 12, 2012 Chapter 4: Equilibrium of Rigid Bodies
Problem-solving session - 3D equilbrium
9 Monday, October 15, 2012 Quiz - 3D Equilibrium
Wednesday, October 17, 2012 Review of Quiz
Chapter 6: Analysis of Structures
  • 6.1: Introduction
  • 6.2: Definition of a Truss
  • 6.3: Simple Trusses
  • 6.4: Analysis of Trusses by the Method of Joints
  • Read Chapter 6.1-6.4
Friday, October 19, 2012 Chapter 6: Analysis of Structures
  • 6.1: Introduction
  • 6.2: Definition of a Truss
  • 6.3: Simple Trusses
  • 6.4: Analysis of Trusses by the Method of Joints
  • Read Chapter 6.1-6.4
  • Do problems 6.1
10 Monday, October 22, 2012 Grade report
Chapter 6: Analysis of Structures
  • 6.1: Introduction
  • 6.2: Definition of a Truss
  • 6.3: Simple Trusses
  • 6.4: Analysis of Trusses by the Method of Joints
  • Read Chapter 6.1-6.4
  • Do problems 6.4, 6.5.
Wednesday, October 24, 2012 Class cancelled - NSF ATE PI conference
Friday, October 26, 2012 Chapter 6: Analysis of Structures
  • 6.1: Introduction
  • 6.2: Definition of a Truss
  • 6.3: Simple Trusses
  • 6.4: Analysis of Trusses by the Method of Joints
  • Read Chapter 6.1-6.4
11 Monday, October 29, 2012 Chapter 6: Analysis of Structures
  • 6.1: Introduction
  • 6.2: Definition of a Truss
  • 6.3: Simple Trusses
  • 6.4: Analysis of Trusses by the Method of Joints
  • Read Chapter 6.1-6.4
  • Do problems 6.9, finish 6.10.
Wednesday, October 31, 2012 Chapter 6: Analysis of Structures
Problem-solving session - Trusses - Method of Joints
  • Read Chapter 6.1-6.4
  • Do problems 6.27.
Friday, November 2, 2012 Chapter 6: Analysis of Structures
  • 6.1: Introduction
  • 6.2: Definition of a Truss
  • 6.3: Simple Trusses
  • 6.4: Analysis of Trusses by the Method of Joints
  • Read Chapter 6.1-6.4
  • Do problems 6.59.
12 Monday, November 5, 2012 Quiz - Trusses - Method of Joints
Wednesday, November 7, 2012 Review of Quiz
Chapter 6: Analysis of Structures
  • 6.7: Analysis of Trusses by the Method of Sections
  • Read Chapter 6.7
  • Do problems 6.43.
Friday, November 9, 2012 Chapter 6: Analysis of Structures
  • 6.7: Analysis of Trusses by the Method of Sections
  • Read Chapter 6.7
  • Do problems 6.52.
13 Monday, November 12, 2012 No class - Veteran's Day
Wednesday, November 14, 2012 Chapter 6: Analysis of Structures
  • 6.7: Analysis of Trusses by the Method of Sections
  • Read Chapter 6.7
  • Do problems 6.59.
Friday, November 16, 2012 Quiz - Method of Sections
14 Monday, November 19, 2012 Chapter 6: Analysis of Structures
  • 6.9: Structures Containing Multiforce Members
  • 6.10: Analysis of a Frame
  • 6.11: Frames Which Cease to Be Rigid When Detached from Their Supports
  • Read Chapter 6.9-6.11
  • Do problems 6.82, 6.75.
Wednesday, November 21, 2012 Grade report
Chapter 6: Analysis of Structures
  • 6.9: Structures Containing Multiforce Members
  • 6.10: Analysis of a Frame
  • 6.11: Frames Which Cease to Be Rigid When Detached from Their Supports
  • Read Chapter 6.9-6.11
  • Do problems 6.102.
Friday, November 23, 2012 No class - Day after Thanksgiving
15 Monday, November 26, 2012 Chapter 6: Analysis of Structures
  • 6.12: Machines
  • Read Chapter 6.12
  • Do problems 6.142.
Wednesday, November 28, 2012 Quiz - Frames and Machines
Friday, November 30, 2012 Chapter 5: Distributed Forces: Centroids and Centers of Gravity
  • 5.1: Introduction
  • 5.2: Center of Gravity of a Two-Dimensional Body
  • 5.3: Centroids of Areas and Lines
  • 5.4: First Moments of Areas and Lines
  • 5.5: Composite Plates and Wires
  • Read Chapter 5.1-5.5
  • Do problems 5.4, 5.9.
16 Monday, December 3, 2012 Chapter 5: Distributed Forces: Centroids and Centers of Gravity
  • 5.6: Determination of Centroids by Integration
  • 5.7: Theorems of Pappus-Guldinus
  • Read Chapter 5.6-5.7
  • Do problems 5.34.
Wednesday, December 5, 2012 Chapter 5: Distributed Forces: Centroids and Centers of Gravity
  • 5.6: Determination of Centroids by Integration
  • 5.7: Theorems of Pappus-Guldinus
  • Read Chapter 5.6-5.7
  • Do problems 5.41.
Friday, December 7, 2012 Quiz - Distributed Forces
17 Monday, December 10, 2012 Chapter 8: Friction
  • 8.1: Introduction
  • 8.2: The Laws of Dry Friction. Coefficients of Friction
  • 8.3: Angles of Friction
  • 8.4: Problems Involving Dry Friction
  • Read Chapter 8.1-8.4
  • Do problems 8.2.
Wednesday, December 12, 2012 Chapter 8: Friction
  • 8.1: Introduction
  • 8.2: The Laws of Dry Friction. Coefficients of Friction
  • 8.3: Angles of Friction
  • 8.4: Problems Involving Dry Friction
Friday, December 14, 2012 Chapter 8: Friction
  • 8.1: Introduction
  • 8.2: The Laws of Dry Friction. Coefficients of Friction
  • 8.3: Angles of Friction
  • 8.4: Problems Involving Dry Friction
18 Monday, December 17, 2012 Final exam: 8:00am - 11:00am, MER8
Wednesday, December 19, 2012 No class - Final exam week
Friday, December 21, 2012 No class - Final exam week
*This is only a tentative schedule which is subject to change as time progresses.
**Homework will be assigned on the date of the lecture.