Question detail
Forces and motion scenario: a passenger is brought to rest over a longer stopping time. Which answer best addresses Distance-time graphs and the objective to apply MS 4a, MS 4b and MS 4c skills when interpreting graph gradients?
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 seat belt scenario, apply gradient to apply MS 4a, MS 4b and MS 4c skills when interpreting graph gradients while keeping scalar versus vector quantities separate.
- B. In the seat belt scenario, mix up scalar versus vector quantities and ignore gradient.
- C. Use a general revision statement without applying Distance-time graphs to the situation.
- D. Choose a different forces topic instead of explaining apply MS 4a, MS 4b and MS 4c skills when interpreting graph gradients.
Answer
The correct answer is: In the seat belt scenario, apply gradient to apply MS 4a, MS 4b and MS 4c skills when interpreting graph gradients while keeping scalar versus vector quantities separate.
Explanation
The correct option is In the seat belt scenario, apply gradient to apply MS 4a, MS 4b and MS 4c skills when interpreting graph gradients while keeping scalar versus vector quantities separate.. It is correct because the scenario says a passenger is brought to rest over a longer stopping time, which must be interpreted through Distance-time graphs. This directly supports the learning objective to apply MS 4a, MS 4b and MS 4c skills when interpreting graph gradients. Use values 7, 5, 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 scalar versus vector quantities.
Common mistake
Misunderstanding Gradient Interpretation
Students often confuse the gradient of a distance-time graph with the total distance travelled instead of understanding it represents speed.
Emphasize that the gradient indicates how fast an object is moving, and practice calculating speed from the gradient using the formula: speed = distance/time.
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