ENGR-2050

Engineering Mechanics - Statics

Professor Jody S Robinson, PE

    Course Description:
This is a basic course built around solutions and applications of Newton�s laws of forces in equilibrium. Systems of particles and rigid bodies are studied using standard scalar and vector methods. (Prerequisite: MATH 1910 or equivalent) Lecture: 4 hours

Text     Bedford and Fowler, Engineering Mechanics: Statics, 5th Edition, Pearson Prentice Hall, 2008. ISBN 13-9780136129158.

    Quizzes: (20 minutes max, most classes)

    Homework Assignments:

Week 1 (6 Sep):    Scalars and Vectors, Unit Vectors e, Position Vectors, 2D Components, 3D Components     due start of next class

Vectors

HW#01:    Read Chapter 1; Read Chapter 2 Sections 1,2,3

Text Problems: 2.4, 2.14, 2.24, 2.32, 2.41, 2.62, 2.68

Additional Problems: AP1, AP2, AP3, AP4, AP5

Solidworks Sketching

In Class, make the Arm (1), Ratchet Wheel (2), and Ratchet Stop (3). Save each file with 3 attributes.

Week 2 (13 Sep):    3D Components, Dot Products, Vector Components, Cross Product, Mixed Triple Product     due start of next class

HW#02:    Read Chapter 2 Sections 4,5

Text Problems: 2.72, 2.94, 2.98, 2.108, 2.116, 2.126, 2.136

Additional Problems: AP6, AP7, AP8, AP9, AP10

Solutions: 2.4-2.68

Solutions: AP1, AP2, AP3, AP4, AP5

Week 3 (20 Sep): Equilibrium, Free Body Diagrams, 2D and 3D Force Systems    due start of next class

HW#03:    Read Chapter 3 Sections 1,2,3

Text Problems: 2.144, 3.2, 3.7/8, 3.11, 3.22, 3.32, 3.50, 3.64, 3.69

Additional Problems: AP11, AP12, AP13, AP14, AP15

Solutions: 2.72-2.136

Solutions AP6, AP7, AP8, AP9, AP10

Solidworks-Equilibrium

            2D Case Block in Equilibrium (send 2 files, part and assembly w results)

            3D Case L-Plate in Equilibrium (send 1 file, generate part only)

            Save and send each file with 3 attributes.

Week 4 (27 Sep): Moment Vector, 2D F*d, M=r X F    due start of next class

HW#04:    Read Chapter 4 Section 1, 2, 3

Text Problems: 4.8, 4.11, 4.16, 4.22, 4.30, 4.44, 4.46, 4.48, 4.56, 4.78, 4.90, 4.114, 4.116

Additional Problems: AP16, AP17, AP18, AP19, AP20

Solutions: 2.144-3.69

Solutions: AP11, AP12, AP13, AP14, AP15

Week 5 (4 Oct): Moment about an axis, Objects in Equilibrium, Indeterminate Objects   due start of next class

HW#05:    Read Chapter 5 Sections 1,2

Solutions: 4.8-4.116

Solutions: AP16, AP17, AP18, AP19, AP20

Solidworks-Example 5_9

            Solve Example 5.9 using SolidWorks.

            Submit 2 files (3 attributes), part and assembly that contains a plot showing that T=1187N

Week 6 (11 Oct):    Exam 1: 7 problems total, 3 at 12pts, 4 at 16pts (2.5 hours)

Midterm Exam   Solutions

HW#06:    Read Chapter 5 Sections 1,2,3,4

Text Problems: 5.4, 5.6, 5.12, 5.34, 5.42, 5.76, 5.78, 5.98, 5.126

Week 7 (18 Oct):    Structures in Equilibrium, Trusses, Method of Joints, Method of Sections    due start of next class

SolidWorks - Plane Truss

HW#07:    Read Chapter 6 Sections 1,2,3,4

Text Problems: 6.26, 6.35, 6.38, 641, 6.50, 6.58, 6.63, 6.76, 6.80

Solutions: 5.4-5.126

Week 8 (25 Oct):    Plane Truss Analysis and Centroids    due start of next class

Duplicate the truss analysis found in the handout (completed last week). Then use SolidWorks to solve problem 6.38, members BD, BE, CE

        Email me the files generated to solve 6.38 and the solutions in the body of the email. lastname_file_date

HW#08:    Read Chapter 7 Sections 1,2,3,4

Text Problems: 7.29, 7.32,  7.34,  7.41, 7.47, 7.50, 7.54

Solutions: 6.26-6.80

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