JNTUK R20 B Tech Civil 1-2 Engineering Mechanics Material/ Notes PDF Download: Our crafted JNTUK R20 B Tech Engineering Mechanics Material covers all essential topics required for a thorough understanding. From comprehending forces and their resolution in various planes to grasping the concepts of resultant force systems and free body diagrams, this material is designed to cater to the needs of B Tech Civil Engineering students as well. With detailed explanations of the centre of gravity, moments of inertia, and their practical applications, along with analyses of frames and trusses, different motion types, friction, and work-energy methods, our material ensures comprehensive coverage of the syllabus.
JNTUK R20 B Tech 1-2 Engineering Mechanics Material – Units
| No. Of Units | Name of the Unit |
| Unit – 1 | Introduction to Engg. Mechanics, Friction |
| Unit – 2 | Equilibrium of Systems of Forces |
| Unit – 3 | Centroid, Centre of Gravity, Friction |
| Unit – 4 | Area moments of Inertia, Mass Moment of Inertia |
| Unit – 5 | Kinematics, Kinetics |
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.
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| To Download JNTUK R20 B Tech Civil Engineering Mechanics Material Unit – 1 PDF | Download PDF |
Unit 2 Syllabus PDF Download | JNTUK R20 B Tech 1-2 Engineering Mechanics Material
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.
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| To Download JNTUK R20 B Tech Civil Engineering Mechanics Material Unit – 2 PDF | Download PDF |
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.
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
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| To Download JNTUK R20 B Tech Civil Engineering Mechanics Material Unit – 3 PDF | Download PDF |
Unit 4 Syllabus PDF Download | JNTUK R20 B Tech 1-2 Engineering Mechanics Material
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.
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| To Download JNTUK R20 B Tech Civil Engineering Mechanics Material Unit – 4 PDF | Download PDF |
Unit 5 Syllabus PDF Download | JNTUK R20 B Tech 1-2 Engineering Mechanics Material
Kinematics: Rectilinear and Curvilinear 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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| To Download JNTUK R20 B Tech Civil Engineering Mechanics Material Unit – 5 PDF | Reference 1 | Reference 2 |
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JNTUK R20 B Tech 1-2 Engineering Mechanics Notes – Outcomes
- Grasp basic kinematics concepts: displacement, velocity, and acceleration, including their angular counterparts.
- Understand fundamental dynamics principles: force, momentum, work, and energy.
Apply Newton’s laws of motion effectively. - Utilize other essential dynamics concepts such as the Work-Energy principle, Impulse-Momentum principle, and coefficient of restitution.
- Develop problem-solving abilities in dynamics, analyzing given information and selecting appropriate solution strategies.
- Gain familiarity with basic machine parts like pulleys and mass-spring systems.
Build a strong foundation for addressing engineering problems confidently.