A-LevelPhysicsDeformation of solids9702/12 · Feb/Mar 2022 · Q191 Mark
An object is stretched until it reaches the elastic limit. Which statement must describe the stress on the object when it is at the elastic limit?
AIt is the maximum stress for which the object obeys Hooke's law.
BIt is the maximum stress that can be applied to the object before it has elastic deformation.
CIt is the maximum stress that can be applied to the object before it has plastic deformation.
DIt is the maximum stress the object can withstand before it breaks.
✓ Correct answer
C: It is the maximum stress that can be applied to the object before it has plastic deformation.
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