Question detail
A gear system turns a large gear with a small gear. What should an answer compare?
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. Compare turning effect, force and rotation speed for the two gears.
- B. Compare only colour and size of the gears.
- C. Treat gears as springs obeying Hooke?s law.
- D. Use pressure equals force divided by area.
Answer
The correct answer is: Compare turning effect, force and rotation speed for the two gears.
Explanation
The correct option is Compare turning effect, force and rotation speed for the two gears.. This fits Required practical: acceleration in Forces and motion because it uses the named force or motion relationship in the situation, gives the correct unit or graph meaning where needed, and avoids the specific misconception in the distractors.
Common mistake
Common Mistake in Measuring Acceleration
Students often forget to measure the total distance travelled by the trolley when calculating acceleration, leading to incorrect results.
Ensure to measure the entire distance the trolley travels from start to stop, and use this distance in the acceleration calculation.
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