EM 214 - Statics – Fall 2004

 

S. Bang, Professor                                                                                    Credits: (3-0) 3 credits

 South Dakota School of Mines & Technology                              CB 206W  8-8:50 am

                                                                                                     MWF    Section 01

 

Course Description:                Prerequisite Math 125 completed with a grade of “C” or better.  The study of

                                                external forces acting on stationary rigid bodies in equilibrium.  Vector algebra

                                                is used to study two and three-dimensional systems of forces.  Trusses, frames and

                                                machines, shear and moment in beams.  Friction, centroids, moments of inertia and

                                                mass moments of inertia are discussed.

 

Course Objective:                This course is designed to provide students with a basic knowledge for the analysis of

                                                the effects of external forces acting on stationary rigid bodies in equilibrium.

 

Course Outcomes:                The students successfully completing this course will have the ability to:

1.        Determine the components of a force in rectangular coordinates

2.        Draw complete and correct free-body diagrams and write the appropriate

equilibrium equations from the free-body diagram.

3.        Evaluate forces acting on static bodies including determining resultants

and 3D components

4.        Calculate moments in 2D and 3D about a point and an axis utilizing

cross products and dot products.

5.        Determine the support reactions on a structure.

6.        Determine the connection forces in trusses and in general frame structures.

7.        Given standard shapes and corresponding centroids and or moment of inertia

be able to compute centroids and or moment of inertia for composite bodies.

8.        Determine how to identify and solve problems involving dry friction, wedges

and belt friction.

9.        Determine the internal reactions in a beam, draw correct shear force and

bending moment diagrams.

 

Text:                                       Engineering Mechanics  STATICS, 10TH Ed., R.C. Hibbeler.  You are

                                                required to bring your text to every class.  Your book is your portable

                                                instructor.  It is available 24/7.  I suggest you use it – read the text and study the

                                                examples.

                                                            

Supplies:                               Engineering paper for all homework, engineering pencil, straight edge, scientific calculator.

 

Homework:                           Homework will be due at the beginning of the next class period.   Staple all pages together.  Homework must be prepared in a professional manner. Use a straight edge for figures and free body diagrams. Homework more than one week late will not be accepted. No homework accepted after the last day of class. Late homework is 20% off/calendar day.

 

Academic integrity:               Cheating of any type will result in an F in the course; this includes

 the copying of homework.

 

Attendance:                          Students with five absences will be asked to withdraw from the class.

 

 

 

Grading:                                                                                              90-100  A         

                                                Tests                      60%                        80 – 89  B

                                                Final                       20%                        70 – 79  C

                                                Homework             20%                        60 – 69  D

 

Tests:                                     Tests will be given outside of the normal class time, during the

common exam time, as indicated.  No low scores will be dropped.  No makeup and no retakes on tests. You are allowed one 8.5 x 11 inch crib sheet.

 

Office:                                   Civil Mechanical Building Rm: 237, MWF 1-2 PM or by appointments.

                                         Phone: 394-2440.  Ms. Lois Arneson-Meyer, instructor of Section 02, will be available

for study table in the Library or Miners Shack during designated times.

                                               

FBD’s:                                   Free Body Diagrams must be shown on all answers to homework and exam

                                                questions as appropriate.  FBD’s must include forces, distances, dimensions,

                                                angles, and directions as appropriate in addition to any other parameters

                                                necessary to understand and/or solve the problem.  Answers without  FBD’s

                                                will not be graded and will count as zero.

 

Final Exam:                           All students are required to take the final exam at the assigned period during final                       exam week.

                                               

Students with special needs or requiring special accommodations should contact the instructor, Sangchul Bang at 394-2440 (lois.arneson-meyer@sdsmt.edu) and/or the campus ADA coordinator, Jolie McCoy, at 394-1924 at the earliest opportunity.



 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EM - 214 Schedule of Classes

Lecture No

Day

Date

Topic

Text Assign.

1

W

1-Sep

Introduction

 

2

F

3-Sep

Review -Fundamental Concepts

Ch. 1

 

M

6-Sep

Holiday

 

3

W

8-Sep

Components, resultants, trig, dot product

2.1-2.9

4

F

10-Sep

Components, resultants, trig, dot product

2.1-2.9

5

M

13-Sep

Equilibrium of a particle

3.1-3.3

6

W

15-Sep

Forces in space

3.4

7

F

17-Sep

Moments - 2D

4.1-4.4

8

M

20-Sep

Moments - 2D

4.1-4.4

9

W

22-Sep

Couples

4.6

10

F

24-Sep

Equivalent systems of force

4.7

11

M

27-Sep

Reduction of a simple Distributed load

4.7

 

M

27-Sep

Exam No. 1 4-6 pm CB 206 E and W

 

12

W

29-Sep

Equil. 2-D Rigid Bodies

5.1-5.3

13

F

1-Oct

2 & 3 force bodies

5.4

14

M

4-Oct

Equilibrium in 3-D

5.5-5.6

15

W

6-Oct

Indeterminate

5.7

 

F

8-Oct

No Class*

 

 

M

11-Oct

Holiday

 

16

W

13-Oct

Trusses - method of sections

6.1-6.4

17

F

15-Oct

Trusses - method of joints

6.5

18

M

18-Oct

Trusses – Review

 

19

W

20-Oct

Frames/Machines

6.6

20

F

22-Oct

Frames/Machines

6.6

21

M

25-Oct

Internal forces in members

7.1

 

M

25-Oct

Exam No. 2 4-6 pm  CB 206 E and W

 

22

W

27-Oct

Shear and moment diagrams

7.2-7.4

23

F

29-Oct

Shear and moment diagrams

7.2-7.4

24

M

1-Nov

Friction

8.1-8.2

25

W

3-Nov

Friction/Wedges

8.1-8.3

26

F

5-Nov

No Class*

 

27

M

8-Nov

Belt friction

8.5

28

W

10-Nov

Centroids – integration

9..1-9.3

 

F

12-Nov

Centroids – composite bodies

9.3 

29

M

15-Nov

Fluid pressure

9.6

 

M

15-Nov

Exam No. 3 4-6 pm  CB 206 E and W

 

30

W

17-Nov

Moment of inertia areas by integration

10.4

31

F

19-Nov

Moment of inertia - composite bodies

10.5

32

M

22-Nov

Moment of inertia review

 

 

W

24-Nov

No Class*

 

 

F

26-Nov

Holiday Thanksgiving

 

 

M

29-Nov

No Class*

 

33

W

1-Dec

Exam #4 4-6 pm CB 204 E and W

 

34

W

1-Dec

Moment of inertia – mass

10.9

35

F

3-Dec

Catch up day

 

36

M

6-Dec

Catch up day

 

37

W

8-Dec

Review

 

38

F

10-Dec

Review

 

 

 

 

Final Exam - Date and time will be confirmed

 

No homework accepted after the last day of class.

 

*Missed class time will be made up with exams during reserved exam periods.