When the stress applied to a body is increased beyond the maximum value and is removed after some time, the body does not return to its original position completely; this is because the material has undergone plastic deformation, meaning it has permanently changed shape even when the stress is removed.
What happens when the stress applied to the body is increased beyond the maximum value and is removed after some time? Young's modulus is defined as ______?
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Question context
This question is part of ⚙️ Mechanical Eng within the broader 🛠️ Engineering Essentials subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.