If Trial 3 were redone with a force of 1.0 newton, then compared to that found in Trial 3, the average acceleration would be:
Correct answer: A. Initially lower and decreasing
- A. Initially lower and decreasing
- B. Initially lower and constant
- C. The same
- D. Initially higher but decreasing
Explanation
The correct answer is Option A: Initially lower and decreasing. When redoing Trial 3 with a force of 1.0 newton, the average acceleration would likely be lower than the original acceleration in Trial 3 due to the lower force applied. Additionally, as the force remains constant, the acceleration would be expected to decrease over time. Option B, C, and D do not accurately reflect the relationship between force and acceleration in this scenario.
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Scientific reasoning evaluates hypotheses through observations, variables, controls, measurements and experimental results. Questions involve identifying independent and dependent variables, recognising a fair test, interpreting tables or graphs, distinguishing evidence from opinion, and deciding whether data supports, rejects or leaves a hypothesis unresolved.
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