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ENGINEERING MECHANICS

by Sai KumarSai Kumar
Type: NoteInstitute: Indian Institute of Technology Guwahati Specialization: Civil EngineeringOffline Downloads: 5Views: 415Uploaded: 1 month ago

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Sai Kumar
Sai Kumar
ME 101: Engineering Mechanics Rajib Kumar Bhattacharjya Department of Civil Engineering Indian Institute of Technology Guwahati M Block : Room No 005 : Tel: 2428 www.iitg.ernet.in/rkbc
ME101: Division II &IV (3 1 0 8) Lecture Schedule: Venue L2 (Div. II & IV) DAY DIV II DIV IV MONDAY 3.00-3.55 (PM) 10.00-10.55 (AM) TUESDAY 2.00-2.55 (PM) 11.00-11.55 (AM) FRIDAY 4.00-4.55 (PM) 09.00-09.55 (AM) Tutorial Schedule: Thurs: 8:00-8:55 (AM) 2
ME101: Syllabus Rigid body static: Equivalent force system. Equations of equilibrium, Free body diagram, Reaction, Static indeterminacy and partial constraints, Two and three force systems. Structures: 2D truss, Method of joints, Method of section. Frame, Beam, types of loading and supports, Shear Force and Bending Moment diagram, relation among load-shear force-bending moment. Friction: Dry friction (static and kinematics), wedge friction, disk friction (thrust bearing), belt friction, square threaded screw, journal bearings (Axle friction), Wheel friction, Rolling resistance. Center of Gravity and Moment of Inertia: First and second moment of area and mass, radius of gyration, parallel axis theorem, product of inertia, rotation of axes and principal M. I., Thin plates, M.I. by direct method (integration), composite bodies. Virtual work and Energy method: Virtual Displacement, principle of virtual work, mechanical efficiency, work of a force/couple (springs etc.), Potential Energy and equilibrium, stability. UP TO MID SEM Kinematics of Particles: Rectilinear motion, curvilinear motion rectangular, normal tangential, polar, cylindrical, spherical (coordinates), relative and constrained motion, space curvilinear motion. Kinetics of Particles: Force, mass and acceleration, work and energy, impulse and momentum, impact. Kinetics of Rigid Bodies: Translation, fixed axis rotation, general planner motion, work-energy, power, potential energy, impulse-momentum and associated conservation principles, Euler equations of motion and its application.
Course web: www.iitg.ernet.in/rkbc/me101/me101.htm Week Syllabus 1 Basic principles: Equivalent force system; Equations of equilibrium; Free body diagram; Reaction; Static indeterminacy. 2 Structures: Difference between trusses, frames and beams, Assumptions followed in the analysis of structures; 2D truss; Method of joints; Method of section 3 Frame; Simple beam; types of loading and supports; Shear Force and bending Moment diagram in beams; Relation among load, shear force and bending moment. 4 Friction: Dry friction; Description and applications of friction in wedges, thrust bearing (disk friction), belt, screw, journal bearing (Axle friction); Rolling resistance. 5 Virtual work and Energy method: Virtual Displacement; Principle of virtual work; Applications of virtual work principle to machines; Mechanical efficiency; Work of a force/couple (springs etc.); 6 Potential energy and equilibrium; stability. Center of Gravity and Moment of Inertia: First and second moment of area; Radius of gyration; 7 Parallel axis theorem; Product of inertia, Rotation of axes and principal moment of inertia; Moment of inertia of simple and composite bodies. Mass moment of inertia. Department of Civil Engineering: IIT Guwahati Tutorial 1 2 3 QUIZ 4 5 Assignment

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