[ANSWERED] 1. For the spring assemblage in Figure P2–5, apply a concentrated force of 2 kips at node 2 in the..

1. For the spring assemblage in Figure P2–5, apply a
concentrated force of 2 kips at node 2 in the positive x direction and
determine the displacements at nodes 2 and 4.
2. Instead of assuming a tension element as in Figure P2–3,
now assume a compression element. That is, apply compressive forces to the
spring element and derive the stiffness matrix.