A Force of 15

Multiple Choice

A force of 15.0 N is applied to a wire with a diameter of 2.00 mm, causing its length to change by 1.20 mm. What is the stress on the wire?

A) 4.77 × 10⁶ N/m².
B) 5.38 × 10⁶ N/m².
C) 6.73 × 10⁶ N/m².
D) 7.27 × 10⁶ N/m².
E) 8.75 × 10⁶ N/m².