Module 3

Centroid:
Introduction, methods of determining the centroid, locating the centroid of simple figures from first
principle, the centroid of composite and built-up sections.
Moment of inertia:
Introduction, method of determining the second moment of area of plane sections from first principles,
parallel axis theorem and perpendicular axis theorem section modulus, the radius of gyration, moment
of inertia of composite area and built-up sections, concept of product of inertia ( No problem).