The deformation of any structure takes place in such a manner that the work of deformation is a minimum. This is known as

Related MCQs

• Whenever some external system of forces acts on a body, it undergoes some deformation. As the body undergoes some deformation, it sets up some resistance to the deformation. This resistance per unit area to deformation, is called
• The deformation of a steel bar under its own weight as compared to the deformation caused by a direct load equal to the weight of the shaft will be
• A load which is spread over a beam in such a manner that it varies uniformly over the whole length of a beam is called uniformly
• When a change in length takes place, the strain is known as
• Deflection the point of application of an external force acting on a beam is equal to the partial derivation of the work of deformation with respect to this force
• The resistance to deformation of a body per unit area is known as
• The shear stress required to cause plastic deformation of solid metals is known as
• A material which undergoes no deformation till its yield point is reached and then it flows at a constant stress is known as
• When the deformation arising from change of temperature is presented, the stresses set up are known as
• The stress at which the extension of the material takes place more quickly as compared to the increase in load, is called