निम्नलिखित में से किस संरचना के विश्लेषण के लिए मुख्य रूप से आघूर्ण वितरण विधि (moment distribution method) का उपयोग किया जाता है?

What is the value of maximum shear force for a simply supported beam of length 6.0 m, subjected to a uniformly distributed load (w kN/m) throughout the span, for which the bending moment equation at a section from the left support situated at 'x' m is Mx = 30x - 0.5(wx2)?

Method of joints is applicable to calculate member forces of a truss, when the number of unknown forces at the joint under consideration is not more than: