Catalog Description:

• EOC 3105: Statics and Buoyancy.
  Analysis of force and moment systems for static equilibrium of trusses, frames, beams, cables and machines; friction forces and friction machines; hydrostatic forces; first and second area and mass moments and centers of gravity; potential energy and virtual work, buoyancy and floating stability including metacentric height concepts.

Pre-requisites:

• MAC 2313 (with a grade of C or better);
• PHY 2043: Engineering Physics I (or PHY2048: General Physics I) with a grade of C or better;
• PHY 2048L: General Physics I Lab;

Co-requisite:

• EGS 1111: Engineering Graphics.

Textbook:

• R. C. Hibbeler, Engineering Mechanics - Statics, 8th Edition, Prentice-Hall.

Instructor/Coordinator:

• P. Ananthakrishnan, Department of Ocean Engineering.

Goals/Objectives:

• The objective of the course is to provide the students with an engineering knowledge in
  1. the application of static equilibrium conditions and vector algebra for determining forces and moments on particles and bodies,
  2. the determination of centers of mass and volume and moments of inertia;
  3. the application of basic mechanics principles for the analysis of static engineering structures, including cables, trusses, beams and frames; and
  4. determination of fluid forces and stability of floating bodies and static fluids.

Course Topics:

1. Review of vectors and vector operations.
2. Force and position vectors.
3. Moment of a force; Resultants of forces and moments; Distributed forces.
4. Static equilibrium of particles and rigid bodies.
5. Centers of gravity, mass and geometry.
6. Moments of inertia.
7. Friction.
8. Structural analysis of trusses, beams and frames.
9. Fluid statics - hydrostatic force on surfaces and bodies.
10. Buoyancy and stability of floating bodies.

Computer Projects:

• None

Laboratory Project (Demonstration):

• Determination of the metacentric height of a lab-scale pontoon by inclining-experiment.

Grading Policy:

1. Homework problems (weekly assignments) 10 %
2. Weekly quizzes (20 minutes) 15%
3. Three tests (15% each) 45%
4. Final examination 25%
5. Course portfolio and participation in class discussions 5%

• All tests and examinations will cover material from the beginning to that covered just prior to the test; i.e., all tests and exams are comprehensive.
• Overall grade is based on absolute score: A  > 90;   89  >  B  > 80;   79  >  C  > 70;   69  >  D  > 60;    F  < 59.

Course Outcomes:

1. An abilility to analyze forces and moments using vectors.
2. An ability to draw appropriate free-body diagrams to determine unknown forces.
3. An ability to apply the principles of mechanics to determine forces and moments on bodies.
4. A fundamental knowledge of static structural analysis of beams and trusses.
5. An ability to determine effect of distributed forces, including that of fluid pressure.
6. An ability to calculate centers of mass, area and forces, and moments of inertia of complex shapes and objects.
7. An ability to determine static stability of marine vehicles.