All necessary equations must be embedded within the related problems. Please solve correclty. 3. ( \( \mathbf{2 5} \) pts) Consider the system of linear elastic bars shown below. (a) Construct the element connectivity table. (b) Write down the element stiffness matrices. (c) Write down the assembled system matrix. (d) Write down the equations for this mechanical system. (e) Partition the necessary rows and colums then solve for the unknown displacements by using the direct approach.
