I have been presented with the following problem. I think that I'm okay with calculating the stress and strain, but am unsure on how to tackle the elongation. I think we would need to assume that the tensile force is constant, but I'm not entirely sure of this. Would you be able to point me in the right direction?
Question 1 Consider a cylindrical copper rod with a diameter of 0.8 cm and length of 10.2 cm. A tensile force is applied to the rod of 50 N. Find: a) The stress in the rod b) The rod’s strain c) The elongation of the rod