Question detail
Explain what happens to a spring when it is stretched beyond its limit of proportionality.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Forces and elasticity
Question
Explain what happens to a spring when it is stretched beyond its limit of proportionality.
Answer
When a spring is stretched beyond its limit of proportionality, it undergoes inelastic deformation, meaning it will not return to its original length when the force is removed.
Explanation
This question assesses understanding of the concept of elastic and inelastic deformation in the context of Hooke's law. It requires the student to explain the consequences of exceeding the limit of proportionality, which is crucial for understanding material behavior under stress.
Common mistake
Common Mistake in Unit Conversion
Students often forget to convert extension from centimetres to metres when using the elastic potential energy equation.
Always convert extension to metres by dividing the length in centimetres by 100 before substituting into the equation.
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