City College of San Francisco Engineering & Technology Department ENGN 37 Engineering  Mechanics: DYNAMICS ..
C'mon everyone!  This isn't rocket science!  Uh, I mean brain surgery.... This isn't brain surgery.
INSTRUCTOR INFORMATION Wynd Kaufmyn Email: wkaufmyn@ccsf.edu Phone:  (415) 239-3159 Website:  http://fog.ccsf.edu/~wkaufmyn Address:  50 Phelan Ave. Mailbox S48, San Francisco, CA  94112 Office:  Science 143A Note:  The access to this office is through the classroom S143. Don't be shy about walking through the classroom, even if there is a class in session, to get to my office. OFFICE HOURS Please check my schedule. If my current office hours are not convenient for you, please arrange an appointment by sending me an email.
COURSE INFORMATION ENGN 37 - Engineering Mechanics - Dynamics Please check my current schedule for the section number and CRN number. . Prerequisites ENGN 36 (Statics) Textbook & Materials Textbook:  Beer & Johnston, Vector Mechanics for Engineers: Dynamics, published by McGraw-Hill     Almost any edition of this textbook is acceptable. (Ask if you are unsure.) three writing implements - one vibrant green, one vibrant pink or orange or purple (not red), and the third one black or blue. high speed computer with internet access Adobe Acrobat Reader current internet browser scientific calculator engineering computation paper CAD software or drafting instruments or the ability to sketch well spreadsheet software COURSE DESCRIPTION This is an introductory course in Dynamics. The motion of particles, systems of particles, rigid bodies and systems of ridid bodies is analyzed from the perspective of kinematics, (the description of a rigid body's position, velocity and acceleration,) and kinetics, (the relationship between the forces acting on a rigid body and its velocity and acceleration.) Problems solutions applying Newton's Second Law, the Work-Energy Theorem or the Principle of Impulse and Momentum. Additional topics include relative motion, instantaneous center, Coriolis acceleration and impact.
STUDENT LEARNING OUTCOMES (SLOs) Every course has a list of items called "Student Learning Outcomes." These SLOs are what the student whould have learned afer completing the course. Upon completion of this course a student will be able to: Relate displacement, velocity and acceleration of a moving body using kinematic relationships in both scalar and vector terms in any of the three different coordinate systems: rectangular coordinates, radial and transverse coordinates, polar coordinates. Select the optimal method of solution for a Dynamics problem from the three options: 1) kinetic relationship of classical Newtonian mechanics, 2) work-energy method, or 3) impulse-momentum principle. Synthesize a logical, orderly, step-by-step method of analysis for a Dynamics problem employing any of the three methods for solution: 1) kinetic relationship of classical Newtonian mechanics, 2) work-energy method or 3) impulse-momentum principle. Compose a clear and complete presentation of a solution to a dynamics problem in the manner of modern professional engineers, showing all steps clearly and all formulas used. SLO ASSESSMENT We teachers need to assess how well our students have achieved these outcomes. (In other words: How well have we taught our students?!) I need your input to improve my teaching. Please help me assess the SLOs of this course by filling out two surveys. One at the beginning of the semester, and the other after you take the final. I also need this input for reporting purposes to the school administration. Hence, this is a mandatory requirement for completion of this class. You will not get a grade if you do not fill out these surveys. Please know that your grade is absolutely not affected by your answers! Thank you in advance for your thoughtful and well considered answers to this survey. . ONLINE DELIVERY MODE If this is an online course then you will do all of the work from your own computer. You will receive an email with instructions as to how to log on to this course. This will be delivered to your CCSFmail account. The online section of this class is essentially the same as the onsite section. Some of the advantages of taking it online are the scheduling flexibility and the absence of a commute. However, these advantages are countered by major disadvantages, including not having the face to face contact with the instructor to get questions answered immediately and not having difficult concepts explained in person. Instead, the online student needs to rely on their own ability to gain understanding of the material through reading the textbook and doing the assignments on their own.        The online section of this course is only for students with excellent time management and organizational skills. It is only for students who are able to take responsibility for their learning process. They must take it upon themselves to ensure that they complete assignments on schedule and more importantly, that they understand the course content. It goes without saying that the online student needs convenient internet access and comfort with the computer interface.      The questions that normally come up during face-to-face lectures will be accommodated by the discussion forums and email. So the online student needs to be able to articulate, in writing, any questions that they may have so that they can submit them via email. An advantage to this method is that students will be required to articulate their questions in written form which will force them to think through the material in a more careful and thoughtful manner than would be required of them in a classroom situation.                   You should consider your individual skills and specific situation to decide if the online option is for you. As any engineer would ask, "Do the benefits outweigh the cost?" . .. ATTENDANCE Students are expected to attend all on-campus meetings as well as to log in almost daily for their weekly readings, homework assignments, quizzes and to check the discussion forums. . The online section of this class has 3 mandatory on-campus meetings during the semester: Mandatory one-hour orientation in Week 1 Mandatory two-hour midterm exam in Week 9 Mandatory two-hour final exam in Week 18 . Click here for the time and dates of these on-campus meetings Online students need to bring a valid picture identification to the exams.  Valid identification is limited to a California driver's license, a California identification card or a passport. . If you wish to drop the class, please process the required paperwork. Do not expect to be automatically dropped just because you stop logging in. TIME REQUIREMENTS An online course does not mean that you are free to learn at your own pace. You must keep up with the course schedule! Dynamics is a 3 lecture unit course, which, according to college guidelines, requires 6-9 hours/week of work outside of the classroom. Counting the class time an onsite section would include, the online student needs to spend 9 - 12 hours/week working on the class. This course is more challenging than most, so a student may need to spend even more time than the stated guidelines.   If you enroll for this course, you should plan on spending at least two hours per day, 5 days per week working on it. Anything less is certain failure. If you cannot carve out that kind of time commitment in your schedule, please do not enroll for this course.
ASSIGNMENTS Each week of the course has a set of tasks that must be completed. These tasks include both reading assignments, problem assignments and periodically, a quiz. The overall schedule for the whole semester is given below, for your convenience. The reading assignments will include the week's overview (just a page or two) and anywhere from 2-10 sections of a chapter in the text book. These reading assignments are extremely important, possibly more important than the homework sets. The problem assignments will pertain to the reading material. There will be either one or two sets of problem assignments per week, each consisting of 3 to 4 problems.  (This means a maximum of 8 problems in a week. However, some of these problems may be very time consuming!) These problem sets are not to be turned in, nor will they be graded. However, to learn Dynamics and in order to pass the midterm and final, you must understand and be able to do these problems. There will be hints for each problem and the solutions are available to you. I encourage each student to make every attempt to solve the problem on their own before resorting to looking at the hints. Looking at the solutions should be the very last resort. A student will learn a lot more by following this advice. Ultimately, it is the student's responsibility to ensure that they understand how to solve each problem. Students are encouraged to communicate with each other via the discussion forum. Use it to get help from other students. Use it to give help to other students. Use it to give others your own insights and thoughts on the class material. The instructor will be monitoring the discussions; however she will give input only as needed. The discussion board is primarily for the students to communicate with each other.  Students are also encouraged to ask questions about any problems that they don't understand, or come and get extra help during office hours in addition to posting on the discussion forums.
QUIZZES & EXAMS Quizzes There will be a quiz at the end of each chapter covering the assigned reading and the assigned problem sets for that chapter. In total there will be 7 quizzes. The first will be worth 20 points; the rest will be worth 30 points for a total of 200 points. Quizzes will count as 20% of the overall course grade.  . These quizzes will be taken online. They are meant to be learning tools: You will have 3 opportunities to take them and your score will be the highest of the 3. (If you score 100% on the first time attempt, you do not have to take the quiz again.)  . You should view these quizzes as interactive learning tools rather than quizzes to stress about. You just need to be sure to take the quiz before it closes or you will get zero points for it! Please do not ask me to open a quiz for you if you do not take it before it closes. . Please note that the due date for quizzes is the Friday of the week in which they appear.  However, they will generally close at a later date. So you may actually submit a quiz past its due date. But you will not be able to submit the quiz past its close date.  ... Quiz #0 (CCSFmail) When you register at CCSF you are automatically given a Google email account, which we call CCSFmail. It is the only way that teachers, administration, etc. are able contact you. So you need to check it regularly or have it forwarded to an email address that you check regularly. To make sure that you have access to your CCSFmail, I will send an email to you at this account by the end of the third or forth week of the semester. You will be given instructions on how to get credit for Quiz #0 in this email. This quiz is not worth any points; however, if you do not successfully complete this quiz you may be dropped from the course. More information about this email can be found here. .. EXAMINATIONS There will be only two examinations: a midterm and a final which will be conducted on campus.  Students are required to bring a valid picture identification to the exams. Valid identification is limited to a California drivers license, a California identification card or a passport.  The dates of these exams can be found here. Make-up exams are given only for extremely extenuating circumstances that can be documented. If you have special circumstances you may arrange to take these exams at an official testing center.  Note: Please mark your calendars now for these exams. If you have a scheduling issue you must contact me by the third week of the semester. . You should expect the exams to be closed book/closed note, although this is subject to change at the last minute. In either case, you will be allowed one single-sided sheet of paper no larger than 8.5" x 11" with no staples, glue or tape. . Exams are graded for correctness of solution and for clearly showing the method of solution. Communication skills are just as, if not more, important than the technical skills that you learn in this class. Your grade will suffer if you cannot present a clear, legible solution. . At the completion of any testing time (quizzes included) I will announce that the test is over and that you should put your writing implements down. Your exam will not be graded if you do not put your implement down immediately. If your exam is not graded you will receive zero points for it. . Midterm Exam The midterm is a two-hour exam that will cover chapters 11 - 14 and consist of 3-4 problems covering the topics from these chapters. There may also be short answer questions. This midterm exam is worth 40% of the overall course grade. . Final Exam The final is a comprehensive two-hour exam covering the whole course and consist of 3-4 problems covering the topics from any of the chapters. There may also be short answer questions. This final exam is worth 40% of the overall course grade. . . . CHEATING POLICY Cheating is an egregious offense. You will suffer profoundly if found cheating. Punishments will range from receiving zero credit for the work to being asked to drop the course. Don't do it.    . . DISCRIMINATION POLICY The San Francisco Community College District is committed to the principles of equal opportunity, and the prevention of discrimination and harassment in any program or activity of the District on the basis of race, color, ancestry, national origin, ethnic group identification, religion, age, gender, gender identity, marital status, domestic partner status, sexual orientation, disability or AIDS/HIV status, medical conditions, or status as Vietnam-era veteran, or on the basis of these perceived characteristics, or based on association with a person or group with one or more of these actual or perceived characteristics. . .
GRADING Your course grade will be determined according to the following: Quizzes (online)................................20% Midterm (on campus)........................40% Final (on campus)..............................40% 90  - 100 %........................................A 80  -   89 %........................................B 70  -   79 %........................................C 60  -   69 %........................................D below  59 %.......................................F I may curve grades if it will be to students' advantage. Please do not email me asking for any special considerations. Your grade will be based solely on your performance on the quizzes and exams. Also, please do not email me requesting that I send your grade. You will need to wait until the school officially publishes it.
. IMPORTANT NOTE ABOUT GRADING IN THIS CLASS Any FBD (Free Body Diagram) that is not done properly and in color will receive 0 points.  Yes, that's right: zip, zero, nada, sifr points.  Use a vivid green color for the body and a vivid pink for the forces.  Oftentimes, the FBD is worth half of the credit on a problem, and so this is very significant.
COURSE SCHEDULE
Week	Topic	Problem Set
Week 1	Chapter 11.1-6  Rectilinear Motion of Particles	Set #1 Set #2
Week 2	Chapter 11.9-12  Curvilinear Motion of Particles	Set #3
Week 3	Chapter 11.13  Tangential/Normal Components Chapter 11.14  Radial/Transverse Components Quiz #1 - Chapter 11	Set #4
Week 4	Chapter 12.1-6  Linear Momentum of a Particle Chapter 12.7-10  Angular Momentum of a Particle Quiz #2 - Chapter 12	Set #5 Set #6
Week 5	Chapter 13.1-5  Principle of Work & Energy for Particles Chapter 13.6-8  Potential Energy, Conservation of Energy	Set #7 Set #8
Week 6	Chapter 13.9  Applications to Space Mechanics Chapter 13.10-11  Principle of Impulse and Momentum for Particles	Set #9 Set #10
Week 7	Chapter 13.12-15  Impact for Particles Quiz #3 - Chapter 13	Set #11
Week 8	Chapter 14.1-6  Systems of Particles: Linear and Angular Momentum Chapter 14.7-9  Work and Energy, Impulse and Momentum Principles Quiz #4 - Chapter 14	Set #12 Set #13
Week 9	Review for Midterm (to cover Chapters 11 - 14) Midterm exam: check here for time and place
Week 10	Chapter 15.1-4  Translation and Rotation of a Rigid Body Chapter 15.5-6  General Plane Motion of a Rigid Body	Set #14 Set #15
Week 11	Chapter 15.7  Instantaneous Center of a Rigid Body Chapter 15.8-9  Acceleration in Plane Motion of a Rigid Body	Set #16 Set #17
Week 12	Chapter 15.10-11 Coriolis Acceleration (2D) Quiz #5 - Chapter 15	Set #18
Week 13	Chapter 16.1-7  Plane Motion of Rigid Bodies	Set #19
Week 14	Chapter 16.8  Constrained Plane Motion of Rigid Bodies Quiz #6 - Chapter 16	Set #20
Week 15	Chapter 17.1-7  Work and Energy Principle for Rigid Bodies	Set #21
Week 16	Chapter 17.8-10  Impulse and Momentum Principle for Rigid Bodies Chapter 17.11-12  Eccentric Impact of Rigid Bodies Quiz #7 - Chapter 17	Set #22 Set #23
Week 17	Review for Final (to cover Chapters 11 - 17)
Week 18	Final exam: check here for time and place