आधार b और ऊंचाई h वाले एक त्रिभुजाकार खंड का उसके आधार से गुजरने वाले अक्ष के परितः जड़त्व आघूर्ण (Moment of inertia) क्या होता है?

In standard assumptions made for plane truss structures, the connections between members are assumed to be joined by:

The coefficient of friction is theoretical value of _____ for ideal, perfectly smooth surfaces.

In the analysis of structures by the principle of Virtual Work, which of the following forces are assumed to do work and are not omitted?