A2L Item 261

• Description: Identify the spring having the largest spring constant.
• Goal: Recognize a lack of information
• Source: CT151.2S02-24
• Keywords: Springs, Reasoning, Mechanics

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The question for students:

Consider the situations at right. Let m < M. Which spring has the largest spring constant?

1. A
2. B
3. C
4. A and B are equal
5. A and C are equal
6. B and C are equal
7. All of them have the same spring constant
8. Cannot be determined

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Commentary for teachers:

Answer

(8) The objective of this question is to reveal what students are assuming about the springs. The reasoning behind any incorrect answer should be thoroughly discussed.

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