The force against elongation graph, F-AL for wire X and wire
Y as shown below. Both wires have the same original length and
same cross sectional area of 5.0 mm². Based on the graph given,
a)Calculate the strain energy stored in wire X and wire Y
when extended by 1.5 mm. (Ans: 0.23 J, 0.14 J).
b)State which wire is more rigid. Explain.
c)Calculate the ratio of the Young's Modulus of wire X to
the Young' Modulus of wire Y. (Ans: 1.6)
