MaterialA B D E F. yield Strength (MPa) 11 206 553 160 215 670. Ultimate Tensile Strength (MPa) 60 295 560 782 259 700 Elongation at Fracture (Fracture strain) Fracture Strength (MPa) Youngs Modulus (GPa) 200 45 1.2 30 65 160 40 290 570 692 81 160 15 102 400 217 105 105 a) Which of these materials is the stiffest? Give the reasons for your answer selection b) Which of these materials is likely to be Ceramic? Give the reasons for your answer selection. c) Which of these materials would be the most suitable for the outer casing of a mobile phone? Give the reasons for your answer selection. d) Which of these materials would be the most appropriate for a car body panel? Give the reasons for your answer selection