ENGGEN 121 : Engineering Mechanics


2024 Summer School (1240) (15 POINTS)

Course Prescription

An introduction to planar mechanics including: free body diagrams, planar equilibrium of rigid bodies, friction, distributed forces, internal forces, shear force and bending moment diagrams, kinematics and kinetics of particles, work and energy, relative motion, kinematics and kinetics of rigid bodies.

Course Overview

The course is split into two main parts: Statics and Dynamics. Statics will focus on analysing the forces on objects and structures that are at equilibrium. Dynamics will focus on analysing the forces and resulting motion of objects that are, in general, out of equilibrium (i.e. accelerating). 

Short Topic Summary
  • Force systems in two dimensions: components, moments and resultants
  • Equilibrium in two dimensions
  • Structures: plane trusses, beams, reactions, internal forces (shear force, bending moments)
  • Distributed forces
  • Friction
  • Kinematics of particles: rectilinear motion, curvilinear motion, coordinate systems
  • Kinetics of particles, friction, pulleys
  • Kinematics of rigid bodies in the plane: pure translation, rotation about a fixed axis, relative motion, and general motion
  • Kinetics of rigid bodies in the plane
  • Work and energy methods for particles

Course Requirements

Restriction: CIVIL 210, MECHENG 222

Capabilities Developed in this Course

Capability 3: Knowledge and Practice

Learning Outcomes

By the end of this course, students will be able to:
  1. Interpret written engineering problems to identify the relevant mechanics concepts that apply. (Capability 3.1)
  2. Construct diagrams to demonstrate understanding of a problem, including: shear force and bending moment diagrams, velocity diagrams, and free body diagrams. (Capability 3.1 and 3.2)
  3. Apply Newton’s laws of motion and energy principles to planar systems and solve for forces, moments, and acceleration. (Capability 3.1 and 3.2)
  4. Demonstrate a clear and logical problem solving process with consistent notation and sign conventions. (Capability 3.1 and 3.2)


Assessment Type Percentage Classification
Final Exam 40% Individual Examination
Tests 30% Individual Test
Assignments 12% Group Coursework
Quizzes 10% Individual Coursework
Peer Assessments 8% Individual Coursework
Assessment Type Learning Outcome Addressed
1 2 3 4
Final Exam
Peer Assessments

Students must sit the exam to pass the course. Otherwise, a DNS (did not sit) result will be returned.

Workload Expectations

This course is a standard 15 point course and students are expected to spend 20 hours per week involved in each 15 point course that they are enrolled in.

For each week in this course, you can expect 6 hours of lectures, a 2 hour tutorial, and 12 hours of self-study (reading and thinking about the content and working on assignments and/or test preparation).

Delivery Mode

Campus Experience


Three 2-hour sessions per week. Lectures are recorded where possible. The course will not include live online events. Lecture attendance is highly recommended but not compulsory. 


One 2-hour session per week. Some assessments are conducted during the tutorials. Check SSO for the exact time and location. Tutorials will not be recorded.

Attendance is required for some tutorial sessions to be able to complete some assessed components of the course. Further details will be provided closer to the assessment dates. 


Attendance on campus is required for the tests.

Learning Resources

Course materials are made available in a learning and collaboration tool called Canvas which also includes reading lists and lecture recordings (where available).

Please remember that the recording of any class on a personal device requires the permission of the instructor.

No prescribed text book. All necessary learning resources, including the course book, will be provided digitally on Canvas. A printed course book will be available for purchase from Ubiq. 

Health & Safety

Students are expected to adhere to the guidelines outlined in the Health and Safety section of the Engineering Undergraduate Handbook.

Student Feedback

At the end of every semester students will be invited to give feedback on the course and teaching through a tool called SET or Qualtrics. The lecturers and course co-ordinators will consider all feedback and respond with summaries and actions.

Your feedback helps teachers to improve the course and its delivery for future students.

Class Representatives in each class can take feedback to the department and faculty staff-student consultative committees.

The course was well received by the students in 2023. No major changes are planned for 2024. 

Academic Integrity

The University of Auckland will not tolerate cheating, or assisting others to cheat, and views cheating in coursework as a serious academic offence. The work that a student submits for grading must be the student's own work, reflecting their learning. Where work from other sources is used, it must be properly acknowledged and referenced. This requirement also applies to sources on the internet. A student's assessed work may be reviewed for potential plagiarism or other forms of academic misconduct, using computerised detection mechanisms.

Class Representatives

Class representatives are students tasked with representing student issues to departments, faculties, and the wider university. If you have a complaint about this course, please contact your class rep who will know how to raise it in the right channels. See your departmental noticeboard for contact details for your class reps.

Inclusive Learning

All students are asked to discuss any impairment related requirements privately, face to face and/or in written form with the course coordinator, lecturer or tutor.

Student Disability Services also provides support for students with a wide range of impairments, both visible and invisible, to succeed and excel at the University. For more information and contact details, please visit the Student Disability Services’ website http://disability.auckland.ac.nz

Special Circumstances

If your ability to complete assessed coursework is affected by illness or other personal circumstances outside of your control, contact a member of teaching staff as soon as possible before the assessment is due.

If your personal circumstances significantly affect your performance, or preparation, for an exam or eligible written test, refer to the University’s aegrotat or compassionate consideration page https://www.auckland.ac.nz/en/students/academic-information/exams-and-final-results/during-exams/aegrotat-and-compassionate-consideration.html.

This should be done as soon as possible and no later than seven days after the affected test or exam date.

Learning Continuity

In the event of an unexpected disruption, we undertake to maintain the continuity and standard of teaching and learning in all your courses throughout the year. If there are unexpected disruptions the University has contingency plans to ensure that access to your course continues and course assessment continues to meet the principles of the University’s assessment policy. Some adjustments may need to be made in emergencies. You will be kept fully informed by your course co-ordinator/director, and if disruption occurs you should refer to the university website for information about how to proceed.

Student Charter and Responsibilities

The Student Charter assumes and acknowledges that students are active participants in the learning process and that they have responsibilities to the institution and the international community of scholars. The University expects that students will act at all times in a way that demonstrates respect for the rights of other students and staff so that the learning environment is both safe and productive. For further information visit Student Charter https://www.auckland.ac.nz/en/students/forms-policies-and-guidelines/student-policies-and-guidelines/student-charter.html.


Elements of this outline may be subject to change. The latest information about the course will be available for enrolled students in Canvas.

In this course students may be asked to submit coursework assessments digitally. The University reserves the right to conduct scheduled tests and examinations for this course online or through the use of computers or other electronic devices. Where tests or examinations are conducted online remote invigilation arrangements may be used. In exceptional circumstances changes to elements of this course may be necessary at short notice. Students enrolled in this course will be informed of any such changes and the reasons for them, as soon as possible, through Canvas.

Published on 30/10/2023 09:18 a.m.