Question
Question: The stress versus strain graphs for wires of two materials A and B as shown is the figure. If Y<sub>...
The stress versus strain graphs for wires of two materials A and B as shown is the figure. If YA and YB are the young’s modulus of the materials, then-
A
YB = 2YA
B
YA = YB
C
YB = 3YA
D
YA = 3YB
Answer
YA = 3YB
Explanation
Solution
YBYA = tan300tan600 = 313 = 3
so YA = 3YB