Engineering
Physics
Forces and Types of Forces
Statics
Stress Strain and Hookes Law New
Question
At yield point, Hooke's law doesn't hold good
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Solution
The yield point is the point on a stressstrain curve that indicates the limit of elastic behavior and the beginning of plastic behavior. Yielding means the start of breaking of fibers.
Thus, Hooke's law dosent hold good in this region, as stress is not proportional to strain in this region