Question detail
Forces and elasticity scenario: a box presses on a small contact area and changes pressure. Which answer best addresses Required practical: force and extension and the objective to record force and extension measurements in a suitable table?
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 pressure pad scenario, apply extension to record force and extension measurements in a suitable table while keeping elastic versus plastic deformation separate.
- B. In the pressure pad scenario, mix up elastic versus plastic deformation and ignore extension.
- C. Use a general revision statement without applying Required practical: force and extension to the situation.
- D. Choose a different forces topic instead of explaining record force and extension measurements in a suitable table.
Answer
The correct answer is: In the pressure pad scenario, apply extension to record force and extension measurements in a suitable table while keeping elastic versus plastic deformation separate.
Explanation
The correct option is In the pressure pad scenario, apply extension to record force and extension measurements in a suitable table while keeping elastic versus plastic deformation separate.. It is correct because the scenario says a box presses on a small contact area and changes pressure, which must be interpreted through Required practical: force and extension. This directly supports the learning objective to record force and extension measurements in a suitable table. Use values 4, 13, and 12 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
Recording Measurements
Students often forget to include units when recording force and extension measurements in tables.
Always include the correct units (N for force and m for extension) in your tables to ensure clarity and accuracy.
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