Question detail
What is the turning effect of a force called?
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. Torque
- B. Moment
- C. Force
- D. Pressure
Answer
Moment
Explanation
The turning effect of a force is referred to as the moment, which is calculated as force multiplied by the perpendicular distance from the pivot.
Common mistake
Misunderstanding Gear Functionality
Students often think that gears only change the size of a force without realizing they also affect the speed of rotation.
Emphasize that when gears are used, a larger gear driven by a smaller gear will reduce the speed of rotation but increase the turning effect, while a smaller gear driven by a larger gear will increase the speed of rotation but decrease the turning effect.
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