An engineer is testing a new material. She makes a coupon that is 1 inch wide and 0.25 inches thick. She makes two marks 2 inches apart on the coupon as shown. a) She places a 4 kip TENSILE load on...

Extracted text: An engineer is testing a new material. She makes a coupon that is 1 inch wide and 0.25 inches thick. She makes two marks 2 inches apart on the coupon as shown. a) She places a 4 kip TENSILE load on the coupon. What is stress? b) Using a very exact measuring device, she determines the distance between the marks is now 2.004 inches under the 4 kip load. What is E? c) Under the 4 kip load, the coupon thickness is now 0.2498 inches. What is Poisson's ratio, v? 2 inches 0.26 inches 1 inch