8. An engineering member is stressed uniaxially. How much does its internal energy change if we
double the strain? (Assume a linear elastic regime.) (1 point) (a) increase by a factor of 2 (b)
decrease by a factor of 2 (c) increase by a factor of 4 ((1) decrease by a factor of 4
8. An engineering member is stressed uniaxially. How much does its internal energy change if we double the strain? (Assume a linear elastic regime.) (1 point) (a) increase by a factor of 2 (b) decrease by a factor of 2 (c) increase by a factor of 4 (d) decrease by a factor of 4