Homework  1
1.4. If a displacement field is described by

determine  at the point x = 1, y = 0.

1.8. In a solid body, the six components of the stress at a point are given by      and  Determine the normal stress at the point, on a plane for which the normal is 
 (Hint: Note that normal stress )

1.12. Determine the displacements of nodes of the spring system shown in Fig. P1.12.