Question detail
What is the primary function of gears in a mechanical system?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Moments, levers and gears (physics only)
Question
- A. To create energy
- B. To transmit turning effects
- C. To increase friction
- D. To reduce weight
Answer
To transmit turning effects
Explanation
Gears are designed to transmit turning effects from one part of a machine to another, allowing for changes in speed and force.
Common mistake
Misunderstanding Gear Functionality
Students often think that a larger gear always increases the speed of rotation when driven by a smaller gear.
Explain that a larger gear driven by a smaller gear actually decreases the rotation speed but increases the turning effect (moment).
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