For a simply supported beam with a central load, the bending moment is

The percentage of elongation of a material with applied direct tensile test is :

The moment of inertia of square section is

The shape of bending moment diagram over the length of a beam, having no external load is

The free body diagram of a portion of a body will be in equilibrium under the action of

The value of possion's ratio always remains

For finding forces in the members of a truss by the graphical method. The force diagram is suggested by

The limit strength design of steel structures make use of

Creep of material is the property indicated by