JNTUK R20 B.Tech Mechanical 1-2 Engineering Mechanics Material/ Notes PDF Download

JNTUK R20 B.Tech Mechanical 1-2 Engineering Mechanics Material/ Notes PDF Download: JNTUK R20 B.Tech 1-2 Engineering Mechanics Material covers various aspects of mechanical mechanics. It includes detailed notes and resources essential for students pursuing their B.Tech under the R20 curriculum at Jawaharlal Nehru Technological University, Kakinada. The course aims to equip students with a thorough understanding of forces and their resolution in different planes, the resultant of force systems, and the principles of free body diagrams using graphical methods. Additionally, students will delve into concepts like the centre of gravity, moments of inertia, and their practical applications. The syllabus also encompasses the analysis of frames and trusses, different types of motion, friction, and the utilization of the work-energy method.

JNTUK R20 B.Tech 1-2 Engineering Mechanics Material  – Units

Unit 1 Syllabus PDF Download | JNTUK R20 B.Tech 1-2 Engineering Mechanics Material

Introduction to Engg. Mechanics – Basic Concepts. Systems of Forces: Coplanar Concurrent Forces – Components in Space – Resultant – Moment of Force and its Application – Couples and Resultant of Force Systems.

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Friction: Introduction, limiting friction and impending motion, coulomb’s laws of dry friction, coefficient of friction, cone of friction.

Unit 2 Syllabus PDF Download | JNTUK R20 B.Tech 1-2 Mechanics Material PDF Download

Objectives: The students are to be exposed to the application of free-body diagrams. Solution to problems using graphical methods and the law of the triangle of forces.

Equilibrium of Systems of Forces: Free Body Diagrams, Lami’s Theorem, Equations of Equilibrium of Coplanar Systems, Graphical method for the equilibrium, Triangle law of forces, converse of the law of polygon of forces condition of equilibrium, Equations of Equilibrium for Spatial System of forces, Numerical examples on spatial system of forces using vector approach, Analysis of plane trusses.

Unit 3 Syllabus PDF Download | JNTUK R20 B.Tech 1-2 Engineering Mechanics Material

Centroid: Centroids of simple figures (from basic principles) – Centroids of Composite Figures

Centre of Gravity: Centre of gravity of simple body (from basic principles), centre of gravity of composite bodies, Pappus theorems.

Area moments of Inertia: Definition – Polar Moment of Inertia, Transfer Theorem, Moments of Inertia of Composite Figures, Products of Inertia, Transfer Formula for Product of Inertia.

Mass Moment of Inertia: Moment of Inertia of Masses, Transfer Formula for Mass Moments of Inertia, mass moment of inertia of composite bodies.

FRICTION: Types of friction – Limiting friction – Laws of Friction – static and Dynamic Frictions – Angle of Friction –Cone of limiting friction– Friction of wedge, block and Ladder.

Unit 4 Syllabus PDF Download | JNTUK R20 B.Tech 1-2 Engineering Mechanics Material

Rectilinear and Curvilinear motion of a particle: Kinematics and Kinetics- Work Energy method and applications to particle motion- Impulse momentum method.

Area moments of Inertia: Definition – Polar Moment of Inertia, Transfer Theorem, Moments of Inertia of Composite Figures, Products of Inertia, Transfer Formula for Product of Inertia.

Mass Moment of Inertia: Moment of Inertia of Masses, Transfer Formula for Mass Moments of Inertia, mass moment of inertia of composite bodies.

Unit 5 Syllabus PDF Download | JNTUK R20 B.Tech 1-2 Engineering Mechanics Material

Rigid body Motion: Kinematics and kinetics of translation, Rotation about fixed axis and plane motion, Work Energy method and Impulse momentum method.

Kinematics: Rectilinear and Curvelinear motions – Velocity and Acceleration – Motion of Rigid Body – Types and their Analysis in Planar Motion. Introduction – Rectilinear motion – Motion with uniform and variable acceleration–Curvilinear motion–Componentsofmotion– Circular motion – Projectiles- Instantaneous centre

Kinetics: Kinetics of a particle – D’Alembert’s principle – Motion in a curved path – work, energy and power. Principle of conservation of energy – Kinetics of a rigid body in translation, rotation – work done – Principle of work-energy – Impulse-momentum

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