What value of tensile stress is required to produce a strain of 10 × 10-4 in copper? Find the result in MPa. (Assume Young’s modulus of copper = 50 GPa)

What value of tensile stress is required to produce a strain of 10 ×

1.	What value of tensile stress is required to produce a strain of 10 × 10-4 in copper? Find the result in MPa. (Assume Young’s modulus of copper = 50 GPa)
A.	150 MPa
B.	50 MPa
C.	200 MPa
D.	500 MPa
Answer» C. 200 MPa