In an I-section almost all the shear force is taken by

The term centre of gravity was introduced by

Strain energy of a member may be defined as work done on it

The shape of bending moment diagram over the length of a beam, carrying a uniformly distributed load is

A two dimensional structure is one in which

In a pin jointed plane frame all the loads are assumed to act

A plane structure which subjected to a force lying outside the plane will be

The shear force on a beam and the displacement are related by

The ends of continuous beam should be