A force is applied to stretch two wires, P and Q, until the wires break. Each wire is made of a different metal. The stress-strain graph for each wire is shown. Which of the following statements is correct?
A.
\(\square \quad\) A P has a greater breaking stress than Q .
B.
P has a greater breaking strain than Q .
C.
P has a greater yield stress than Q .
D.
P has a lower Young modulus than Q .
Exam No：wph11-01-que-20240112 Year：2024 Question No：9
Answer:
C
Knowledge points:
CH2 - Materials
Solution:
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