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Learn basic concepts of Stresses & Strains and SFD & BMD
Updated on Sep, 2026
Teaching and Academics , Engineering, Mechanical Engineering
Duration - 9.5 hours
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This course is the first part of the lecture series of Strength of Materials subject. It takes you through various topics like Stresses & Strains, Shear Force Diagram(SFD) & Bending Moment Diagram(BMD). Various numerical examples are solved to explain various concepts and their applications. Basic Mathematics and Solid Mechanics are the requirements for understanding this subject.
We start with an introduction to the history of Unit Systems, wherein we study the Foot-Pound-Second(F.P.S), Meter-Kilogram-Second(M.K.S) and Centimetre-Gram-Second (C.G.S) systems. Their interconversions are also explained, along with the importance of the unit system in engineering.
Further, we move to the concept of Stresses and Strains where topics like types of stresses and strains, derivation for change in length, stress-strain for ductile and brittle materials, elongation of tapered bar, elongation of bar due to self-weight, stress and strain in composite and compound bars, temperature stresses and strains, concept of strain, Poisson's Ratio, uniaxial-biaxial-triaxial loading, elastic constants- and numerical on all these topics.
Lastly, we study the Shear Force Diagram(SFD) and the Bending Moment Diagram(BMD). Topics like types of supports, beams, reactions, Shear Force and Bending Moment sign conventions and numerical are discussed in it.
This course will help students attain the following objectives.
History of Unit System.
Simple stresses and strains Analysis.
SFD and BMD Analysis.
Solid Mechanics and Basics of Mathematics.
Check out the detailed breakdown of what’s inside the course
My name is Samanwita Bagg. I am a Post Graduate in Mechanical Engineering. I have a teaching experience of 14 years. I am currently working as an Assistant Professor in an engineering college in India in Mechanical Department. I am currently pursuing Ph.D. (Mechanical). I teach subjects like Strength of Materials, Fluid Mechanics, Finite Element Analysis, Heat Transfer, Dynamics of Machinery, Product Design and Development and Operations Research. I train students in AUTOCAD, ANSYS and SOLIDWORKS.
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