Engineering Mechanics

Video Lessons & Revision Notes

1. Concurrent Force System

Video Lessons - 3
Revision Notes - 2

Principle of Statics, Force Systems, Resolution and Composition of Forces. Resultant of Concurrent Forces. Moment of a force, Varignon`s Theorem

All Lessons and Notes
Introduction to Engineering Mechanics
48 mins Video Lesson

Introduction to Engineering Mechanics, Concept of a Rigid Body, Basic Concepts, Describing a Force, Vector Representation of Force, Ex: Representing a Force in Vector form, Basic Principles, Newton's Law of Gravitation, Newton's First law of Motion, Newton's 2nd law of Motion, Newton's 3rd Law of Motion, Principle of Transmissibility, Parallelogram law of addition of forces, and other topics.

2. General Force System

Video Lessons - 2
Revision Notes - 1

Couple, Equivalent Force Couple System, Resultant of Non Concurrent
Non Parallel force system, Resultant of Parallel Force System. Distributed Forces in plane.

All Lessons and Notes
General Force System - Basic Concepts
70 mins Video Lesson

Concept of a Couple, Resolution of Force into Force-Couple System, Resultant of a general sytem of Forces, Ex: Resultant of Forces acting along the sides of Triangle, and other topics.

3. Center of Gravity and Centroid

Video Lessons - 2
Revision Notes - 1

Centroid of Plane Lamina and Wire Bends

All Lessons and Notes
Centroid - Basic Concepts
46 mins Video Lesson

Centre of Gravity, Centroid of Plane Lamina and Wire Bends, First Moment of an area, Ex: Centroid of a Triangle, and other topics.

4. Equilibrium of Forces and Forces in Space

Video Lessons - 5
Revision Notes - 1

Condition of equilibrium for concurrent forces, parallel forces and Non concurrent Non Parallel general forces and Couples.

Types of support, loads, Beams, Determination of reactions at supports for various types of loads on beams.

Equilibrium of Concurrent force system, Parallel force system and Non concurrent nonparallel force system.

Forces in space

All Lessons and Notes
Equlibrium - Basic Concepts
59 mins Video Lesson

Concept of Equlibrium, Eqilibrium of a 2-force System, Eqilibrium of 3-Force System, Free Body Diagram, Reactions due to Supports and Connections, Ex: Beam on a Hinge and Roller Support, General Steps for solution of Equilibrium related Problems, and other topics.

5. Analysis of plane trusses

Video Lessons - 2
Revision Notes - 1

Two Force Members: Analysis of Plane Trusses by method of Joint and method of Section. Multi Force Member: Plane Frames

All Lessons and Notes
Trusses
90 mins Video Lesson

Introduction to Trusses, Types of Trusses, Method of Joints, Ex: using Method of Joints, Steps for Analysis by Method of Joints, Method of Sections, Ex: Using Method of Sections, Steps for Analysis by Method of Sections, Ex: Finding an unknown Axial Force in a member, and other topics.

6. Friction

Video Lessons - 2
Revision Notes - 1

Introduction to Laws of friction, Cone of friction, Equilibrium of bodies on inclined plane, Application to problems involving wedges, ladders.

All Lessons and Notes
Friction - Basic Concepts
54 mins Video Lesson

Friction: Basic Concepts and Laws, Friction on Inclined Plane, Ex: Block on Inclined Plane, Ex: Block Tipping Over, and other topics.

7. Rectilinear Kinematics of Particle

Video Lessons - 1
Revision Notes - 1

Velocity & acceleration in terms of rectangular co-ordinate system, Rectilinear motion, Motion curves (a-t, v-t, s-t curves)

All Lessons and Notes
Rectilinear Kinematics
53 mins Video Lesson

Introduction to Dynamics, Rectilinear Motion, Concept of Velocity and Accleration, Ex: Variable Accleration, Uniform Motion, Uniformly Acclerated Motion, Relative Motion, Ex: Stone thrown towards a moving Train, Dependant Motion, Ex: Dependant Motion, and other topics.

8. Curvilinear Kinematics of Particle

Video Lessons - 2
Revision Notes - 1

Basic Concepts, Equation of Motion in Cartesian Coordinates. Path and Polar coordinates. Motion of Projectiles.

All Lessons and Notes
Curvilinear Kinematics - Basic Concepts and Rectangular Components
56 mins Video Lesson

Basic Concepts in Curvilinear Motion, Rectangular Components (cartesian co-ordinates), Analysis of Projectiles, Ex: Projectile with a variable accleration, Ex: Projectile on Inclined Plane, and other topics.

9. Kinematics of Rigid Bodies

Video Lessons - 5
Revision Notes - 1

Introduction to general plane motion, Instantaneous center of rotation for the velocity, velocity diagrams for bodies in plane motion, (up to 2 linkage mechanism)

All Lessons and Notes
Plane motion and Translation
28 mins Video Lesson

Plane Motion, Types of Plane Motion, Translation, Rectilinear and Curvilinear Translation, Rotation about an Axis, General Plane Motion, Kinematics of Translation, and other topics.

10. Kinetics of a Particle: Force and Acceleration

Video Lessons - 3
Revision Notes - 1

Introduction to basic concepts, D’Alemberts Principle, Equations of dynamic equilibrium, Newton’s Second law of motion.

All Lessons and Notes
Kinetics - Basic Concepts
58 mins Video Lesson

Newton's 2nd Law of Motion, Concept of Dynamic Equilibrium, Ex: Using Newton's Law of motion and Dynamic Equilibrium concept, Ex: Two block sliding on opposite side of an inclined plane, Ex: Dependant motion of block on a pulley and inclined plane, and other topics.

11. Kinetics of a Particle: Work and Energy

Video Lessons - 2
Revision Notes - 1

Principle of Work and Energy, Law of Conservation of Energy.

All Lessons and Notes
Work and Energy - Basic Concepts
73 mins Video Lesson

Concept of Work, Worked done along a curved path or Variable Force, Work done by Gravity, Work done by Spring, Work Energy Principle, Ex: Using Work-Energy Principle, Conservative Forces, Principle of conservation of Energy, Ex: Using Principle of conservation of Energy, and other topics.

12. Kinetics of a Particle: Impulse and Momentum

Video Lessons - 3
Revision Notes - 1

Principle of Linear Impulse and Momentum. Law of Conservation of momentum. Impact and collision.

All Lessons and Notes
Impulse and Momentum - Basic Concepts
42 mins Video Lesson

Concept of Impulse, Impulse Momentum Principle, Principle of conservation of momentum, Impulsive Force, Ex: Batsman hits a ball, Ex: Using Impulse-Momentum to find distance, Ex: Man jumping off the cart, Basic Concepts in Analysis of Impacts, and other topics.

In this Subject
• Around 30 Hours of Videos
• 32 Video Lessons
• 13 Revision Notes
• 12 Modules