Course Objectives:
- To introduce students to the fundamentals of Engineering Mechanics.
- To enable students to understand and apply concepts of forces, moments, and loads in real-world engineering problems.
- To develop the ability to analyze static and dynamic systems using principles of mechanics.
- To prepare students to solve problems involving equilibrium, motion, friction, work, energy, and impulse-momentum in engineering applications.
Examination Scheme for EM 2024
| Assessment Component | Marks | Credit |
|---|---|---|
| Continuous Comprehensive Evaluation (CCE) | 30 | 02 |
| End-Semester Examination | 70 | 02 |
| Term Work / Practical | 25 | 01 |
| Total | 125 | 05 |
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Syllabus
Unit I: Force Systems and Its Resultants (06 Hours)
- Introduction to engineering mechanics and types of motion
- Fundamental concepts and principles of mechanics
- Force system: types and resolution of forces
- Composition of forces and resultant of concurrent force system
- Moment of a force and Varignon’s Theorem
- Resultant of parallel force system
- Couple and resultant of general force system
- Centroid of basic and composite figures
- Moment of inertia of simple geometrical figures
- Parallel axis theorem and perpendicular axis theorem
- Moment of inertia of composite figures
Unit II: Equilibrium (06 Hours)
- Introduction to equilibrium of forces
- Drawing and analyzing free body diagrams
- Equilibrium of coplanar forces
- Equilibrium of two-force and three-force members
- Equilibrium of concurrent, parallel, and general force systems
- Types of loads, supports, and beams
- Calculation of support reactions
Unit III: Friction and Trusses (06 Hours)
Friction:
- Introduction to sliding and rolling friction
- Laws of Coulomb friction
- Coefficient of friction, angle of friction, and angle of repose
- Concept of cone of friction
- Friction on inclined planes, ladder friction, and belt friction
Trusses:
- Two-force and multi-force members
- Assumptions for truss analysis
- Analysis of trusses: method of joints and method of sections
- Identification of zero-force members
Unit IV: Kinematics of Particle (06 Hours)
- Introduction to kinematics
- Rectilinear motion:
- Motion with uniform acceleration
- Gravitational acceleration
- Variable acceleration
- Curvilinear motion:
- Rectangular components
- Motion of a projectile
- Normal and tangential components of acceleration
Unit V: Kinetics of Particle (06 Hours)
- Introduction to kinetics of particles
- Newton’s Second Law of Motion and equations of motion
- Newton’s Law of Gravitation
- Application of Newton’s laws to rectilinear and curvilinear motion
- Conservative and non-conservative forces
- Work-energy principle and conservation of energy
- Impulse-momentum principle and impact