Engineering Mechanics

 Course Code : R15108 Author : uLektz University : Jawaharlal Nehru Technological University, Hyderabad (JNTUH) Regulation : 2015 Categories : Civil Format : ePUB3 (DRM Protected) Type : eBook

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Description :Engineering Mechanics of R15108 covers the latest syllabus prescribed by Jawaharlal Nehru Technological University, Hyderabad (JNTUH) for regulation 2015. Author: uLektz, Published by uLektz Learning Solutions Private Limited.

Note : No printed book. Only ebook. Access eBook using uLektz apps for Android, iOS and Windows Desktop PC.

Topics
UNIT – I INTRODUCTION

1.1 Introduction to Engineering Mechanics Basic Concepts. Resultants of Force System: Parallelogram law –Forces and components- Resultant of coplanar Concurrent Forces Components of forces in Space

1.2 Moment of Force-Principle of moments -Coplanar Applications -Couples -Resultant of any Force System.

1.3 Equilibrium of Force Systems : Free Body Diagrams, Equations of Equilibrium -Equilibrium of planar Systems -Equilibrium of Spatial Systems.

UNIT – II FRICTION

2.1 FRICTION: Introduction – Theory of Friction -Angle of friction -Laws of Friction -Static and Dynamic Frictions -Motion of Bodies: Wedge, Screw, Screw-jack, and Differential Screw-jack.

2.2 Transmission of Power: Flat Belt Drives -Types of Flat Belt Drives -Length of Belt, tensions, Tight side, Slack Side, Initial and Centrifugal -Power Transmitted and Condition for Max. Power.

UNIT – III CENTROIDS AND CENTERS OF GRAVITY

3.1 CENTROIDS AND CENTERS OF GRAVITY: Introduction -Centroids and Centre of gravity of simple figures (from basic principles ) -Centroids of Composite Figures -Theorem of Pappus -Center of gravity of bodies and centroids of volumes.

3.2 Moments of Inertia : Definition -Polar Moment of Inertia- Radius of gyration -Transfer formula for moment of inertia -Moments of Inertia for Composite areas -Products of Inertia, Transfer Formula for Product of Inertia.

3.3 Mass Moment of Inertia : Moment of Inertia of Masses-Transfer Formula for Mass Moments of Inertia -Mass moment of inertia of composite bodies.

UNIT – IV KINEMATICS OF A PARTICLE

4.1 KINEMATICS OF A PARTICLE: Motion of a particle – Rectilinear motion – motion curves – Rectangular components of curvilinear motion.

4.2 Kinematics of Rigid Body - Types of rigid body motion -Angular motion - Fixed Axis Rotation.

4.3 Kinetics of particles:Translation -Analysis as a Particle and Analysis as a Rigid Body in Translation – Equations of plane motion - Angular motion - Fixed Axis Rotation – Rolling Bodies.

UNIT – V WORK – ENERGY METHOD

5.1 WORK – ENERGY METHOD: Work energy Equations for Translation - Work-Energy Applications to Particle Motion – Work energy applied to Connected Systems -Work energy applied to Fixed Axis Rotation and Plane Motion. Impulse and momentum.

5.2 Mechanical Vibrations : Definitions and Concepts – Simple Harmonic Motion.

5.3 Free vibrations, simple and Compound Pendulums -Torsion Pendulum – Free vibrations without damping: General cases.