Question detail
Forces and motion scenario: a force meter stretches a spring and the extension is measured. Which answer best addresses Acceleration and the objective to state that acceleration is measured in metres per second squared?
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 motion
Question
- A. In the spring test scenario, apply metres per second squared to state that acceleration is measured in metres per second squared while keeping velocity versus acceleration separate.
- B. In the spring test scenario, mix up velocity versus acceleration and ignore metres per second squared.
- C. Use a general revision statement without applying Acceleration to the situation.
- D. Choose a different forces topic instead of explaining state that acceleration is measured in metres per second squared.
Answer
The correct answer is: In the spring test scenario, apply metres per second squared to state that acceleration is measured in metres per second squared while keeping velocity versus acceleration separate.
Explanation
The correct option is In the spring test scenario, apply metres per second squared to state that acceleration is measured in metres per second squared while keeping velocity versus acceleration separate.. It is correct because the scenario says a force meter stretches a spring and the extension is measured, which must be interpreted through Acceleration. This directly supports the learning objective to state that acceleration is measured in metres per second squared. Use values 3, 11, and 16 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 velocity versus acceleration.
Common mistake
Misunderstanding Acceleration Units
Students often confuse the units of acceleration, stating it as metres per second (m/s) instead of metres per second squared (m/s²).
Remember that acceleration is the rate of change of velocity, which requires the time component to be squared in the units. Always express acceleration as m/s².
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