A wire has Poisson’s ratio of 0.5. It is stretched by an external force to produce a longitudinal strain of 2 × 10-3. If the original diameter was 2 mm, the final diameter after stretching is
A. 2.002 mm
B. 1.998 mm
C. 0.98 mm
D. 1.999 mm
Answer:B
A wire has Poisson’s ratio of 0.5. It is stretched by an external force to produce a longitudinal strain of 2 × 10-3. If the original diameter was 2 mm, the final diameter after stretching is
A. 2.002 mm B. 1.998 mm C. 0.98 mm D. 1.999 mm