furniture design, conceives of a light-weight table of daring simplicity: a flat sheet of toughened glass supported on slender, un-braced, cylindrical legs as in Figure 1. The leg must be solid (to make them thin) and as light as possible (to make the table easier to move). They must support the table top and whatever is placed upon it without buckling. (a) Derive the material index for: (i) the light-weight leg (ii) slender table leg L H 2r- Figure 1 (11 marks) (6 marks)