एक स्ट्रट (strut) को मुख्य रूप से किस प्रकार के बल के अधीन रहने वाले संरचनात्मक सदस्य (structural member) के रूप में परिभाषित किया जाता है?

Mohr's circle reduces to a point when an element is subjected to:

A steel column pinned at both ends has an Euler buckling load of 250 kN. If the column is restrained against lateral movement at its mid-height, its new buckling load will be:

What is the angle between the principal strain axis and the maximum shear strain axis in 2D strain analysis?