ENGR-2060

**Engineering Mechanics -
Dynamics**

*
Professor Jody S Robinson, PE*

* Course Description:*

This course covers the application of Newton’s law of motion, to include kinematic and kinetic studies of the motion of systems of particles and rigid bodies, acted upon by unbalanced forces. (Prerequisites: ENGR 2050 and MATH 1920)

__Text __ *
Engineering / Vector Mechanics: Dynamics,* Bedford, Beer, or Hibbeler since
2000

* *
* Quizzes:* (30
minutes max, most classes)

Quiz #01 | Quiz #02 | Quiz #03 | Quiz #04 | Quiz #05 |

5 Feb 2016 | 12 Feb 2016 | 19 Feb 2016 | 4 Mar 2016 | 11 Mar 2016 |

Quiz #06 | Quiz #07 | Quiz #08 | Quiz #09 | Quiz #10 |

TBD | TBD | TBD | TBD | TBD |

*Exam 001: Feb 26
changed to Mar 04*

*Exam 002: Apr 15*

*Final Exam: May 13 Cumulative*

*
Homework Assignments:*

**Week 15 (13 May) - Final Exam
2-5pm**

**Week 14 (6 May)****:
Planar Equations of Motion *** due
start of next class*

Lab: SolidWorks Double Pendulum

Send me your completed SolidWorks files (assembly and parts) by email

Verify the three equations shown on page 130 for t=0.5s (in the body of your email)

HW#14: Read this weeks topics in your textbook. Email me which text you are using and which sections correspond to the week 14 topics.

Text Problems: 18.2, 18.3, 18.5, 18.7, 18.16, 18.19, 18.32/33, 18.49 homework

Solutions: 18.2, 18.3, 18.5, 18.7, 18.16, 18.19, 18.32/33, 18.49 solutions

**Week 13 (29 Apr)****:
Instantaneous Centers *** due
start of next class*

Lab: SolidWorks Geneva Mechanism

Send me your completed SolidWorks files (assembly and parts) by email

HW#13: Read this weeks topics in your textbook. Email me which text you are using and which sections correspond to the week 13 topics.

Text Problems: 17.64/65, 17.67, 17.69, 17.75, 17.78 homework

Solutions: 17.64/65, 17.67, 17.69, 17.75, 17.78 solutions

**Week 12 (22 Apr)****:
General Planar Motion *** due
start of next class*

Lab: SolidWorks Crank Link Piston Mechanism

Send me your completed SolidWorks files (assembly and parts) by email

HW#12: Read this weeks topics in your textbook. Email me which text you are using and which sections correspond to the week 12 topics.

Text Problems: 17.2, 17.6, 17.12, 17.20, 17.29, 17.31, 17.37, 17.39 homework

Solutions: 17.2, 17.6, 17.12, 17.20, 17.29, 17.31, 17.37, 17.39 solutions

**Week 9 (1 Apr)****:
Conservation of Energy, Potential Energy *** due
start of next class*

Lab: SolidWorks Sliding Block (Work due to Spring, Friction, Weight)

Send me the answer in the body of the email

Attach Solidworks files needed to support your answer

HW#09: Read this weeks topics in your textbook. Email me which text you are using and which sections correspond to the week 09 topics.

Solutions: 036, 037, 038, 039, 040

Solutions: AP22, AP23, AP24, AP25

Text Problems: 041, 042, 043, 044, 045

Additional Problems: AP26, AP27, AP28, AP29

**Week 8 (18 Mar)****:
Principle Work and Energy, Work, Power *** due
start of next class*

Lab: SolidWorks Oscillating Block (Collar on Arm Assembly)

Send me the two CSV files with your last name in the filename, ie Robinson_Speed.csv, Robinson_Displacement.csv

Create and send another Excel File, ie Robinson_Conservation of Energy_Oscillating Block.xls

This file should look identical to the table at the bottom of page 68, and include t = 2 s, 1.2 s

Answer these questions in the body of the email:

How much work is done in this 1 second interval ? What is the KE at 0.2s ? What is the total PE at 1.2s ?

HW#08: Read this weeks topics in your textbook. Email me which text you are using and which sections correspond to the week 08 topics.

Text Problems: 036, 037, 038, 039, 040

Additional Problems: AP22, AP23, AP24, AP25

**Week 7 (11 Mar)****:
F=ma, n-t and r-theta coordinates *** due
start of next class*

HW#07: Read this weeks topics in your textbook. Email me which text you are using and which sections correspond to the week 07 topics.

**Week 6 (4 Mar)****:
Exam 1, F=ma, Force, mass, acceleration, Rectilinear Motion *** due
start of next class*

HW#06: Read this weeks topics in your textbook. Email me which text you are using and which sections correspond to the week 06 topics.

Text Problems: 026, 027, 028, 029, 030

Additional Problems: AP14, AP15, AP16, AP17

**Week 5 (26 Feb)****:
Exam Review *** due
start of next class*

* EXAM 1 (4
Questions 16pts ea, 3 Questions 12pts ea) 2.5 hour limit (Mar 4th) Room 6020 at
1:30*

Solutions: 015, 016, 017, 018, 019, 020

Solutions: AP9, AP10, AP11, AP12, AP13

Text Problems: 021, 022, 023, 024, 025

Solutions: 021, 022, 023, 024, 025

**Week 4 (19 Feb)****:
Polar and Cylindrical Coordinates, Relative Motion *** due
start of next class*

Lab: SolidWorks Sliding Collar on Rotating Arm (Collar on Arm Assembly)

change angular velocity to [pi/2 (rad/s)] and linear velocity to [.7 (m/s)] NEW MOTION STUDY

email acceleration of the collar at .25 s in the body of the email, SW files as attachments

Solutions: 006, 007, 008, 009, 010, 011, 012, 013, 014

HW#04: Read this weeks topics in your textbook. Email me which text you are using and which sections correspond to the week 04 topics.

Text Problems: 015, 016, 017, 018, 019, 020

Additional Problems: AP9, AP10, AP11, AP12, AP13

**Week 03 (12 Feb)****:
Curvilinear Motion (x,y,z), Angular Motion, Curvilinear Motion (n,t) *** due
start of next class*

Lab: SolidWorks Introduction (Crank, Geneva Gear Index, Yoke)

Solutions: 001, 002, 003, 004, 005

Solutions: AP1, AP2, AP3, AP4, AP5

HW#03: Read this weeks topics in your textbook. Email me which text you are using and which sections correspond to the week 03 topics.

Problems: 006, 007, 008, 009, 010, 011, 012, 013, 014

Additional Problems: AP6, AP7, AP8

**Week 02 (Feb 05)****:
Snow- class cancelled**

**Week 01 (Jan 29)****:
Motion of a Point, Straight Line (Rectilinear) Motion, Constant Acceleration, a=f(v,s) *** due
start of next class*

HW#01: Read this weeks topics in your textbook. Email me which text you are using and which sections correspond to the week 01 topics. Bring your textbook to class next week.

Problems: 001, 002, 003, 004, 005

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