Lecture
This lecture covers the concepts of support conditions in structures, distinguishing between isostatic and hyperstatic cases. It explains how the number of support conditions affects the immobilization of a solid and the calculation of support reactions. Examples of isostatic and hyperstatic support conditions are provided, along with mechanisms and special cases where structures are motionless under certain loads. The lecture concludes by discussing the conditions for supporting structures and inviting the audience to engage in the topic.