Question detail
Forces and elasticity scenario: a force meter stretches a spring and the extension is measured. Which answer best addresses Stretching and deformation and the objective to define elastic deformation as deformation that is reversed when the force is removed?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Forces and elasticity
Question
- A. In the spring test scenario, apply elastic deformation to define elastic deformation as deformation that is reversed when the force is removed while keeping elastic versus plastic deformation separate.
- B. In the spring test scenario, mix up elastic versus plastic deformation and ignore elastic deformation.
- C. Use a general revision statement without applying Stretching and deformation to the situation.
- D. Choose a different forces topic instead of explaining define elastic deformation as deformation that is reversed when the force is removed.
Answer
The correct answer is: In the spring test scenario, apply elastic deformation to define elastic deformation as deformation that is reversed when the force is removed while keeping elastic versus plastic deformation separate.
Explanation
The correct option is In the spring test scenario, apply elastic deformation to define elastic deformation as deformation that is reversed when the force is removed while keeping elastic versus plastic deformation separate.. It is correct because the scenario says a force meter stretches a spring and the extension is measured, which must be interpreted through Stretching and deformation. This directly supports the learning objective to define elastic deformation as deformation that is reversed when the force is removed. Use values 3, 15, and 13 only if the question asks for a calculation. The answer earns credit by naming the relevant force or motion quantity, using units when needed, and avoiding the boundary error elastic versus plastic deformation.
Common mistake
Confusing Elastic and Inelastic Deformation
Students often confuse elastic deformation with inelastic deformation, thinking that all deformations can be reversed.
Remember that elastic deformation is when the object returns to its original shape after the force is removed, while inelastic deformation does not fully reverse.
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