L 3 C 3
Teachers Continuous Evaluation: 40 marks. Term-End Semester Examination: 60 marks.
Course outcomes
- Abilitytosolveproblemspertainingtoforcesystems,equilibriumanddistributedsystems.
- Abilitytosolveproblemsoffrictionandengineeringtrusses.
- Abilitytodealwiththeproblems ofkinematicsandkineticsofparticle
- Abilitytodealwiththeproblems ofkinematicsandkineticsofrigidbodies.
Unit I
Force System: Introduction, force, principle of transmissibility of force, resultant of a force system, resolution of a force, moment of force about a line, Varignon’s theorem, couple, resolution of force into force and a couple, properties of couple and their application to engineering problems. Equilibrium: Force body diagram, equations of equilibrium and their applications to engineering problems, equilibrium of two force and three force members.
Unit II
Structure: Plane truss, perfect and imperfect truss, assumption in the truss analysis, analysis of perfect plane trusses by the method of joints, method of section and graphical method. Friction: Static and Kinetic friction, laws of dry friction, co-efficient of friction, angle of friction, angle of repose, cone of friction, frictional lock, friction in flat pivot and collar bearing, friction in flat belts.
Unit III
Kinematics of Particles: Rectilinear motion, plane curvilinear motion, rectangular coordinates, normal and tangential coordinates. Kinetics of Particles: Equation of motion, rectilinear motion and curvilinear motion, work-energy equation, conservation of energy, concept of impulse and momentum, conservation of momentum, impact of bodies, co-efficient of restitution, loss of energy during impact.