Question detail
A force of 10 N is applied to a lever at a distance of 0.5 m from the pivot. Is the moment produced by this force clockwise or anticlockwise if it tends to rotate the lever in a clockwise direction?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Moments, levers and gears (physics only)
Question
A force of 10 N is applied to a lever at a distance of 0.5 m from the pivot. Is the moment produced by this force clockwise or anticlockwise if it tends to rotate the lever in a clockwise direction?
Answer
The moment produced by the force is clockwise since it causes the lever to rotate in that direction around the pivot.
Explanation
This question assesses the ability to apply the concept of moments to a practical scenario, distinguishing between the effects of forces on lever rotation.
Common mistake
Confusing Moment Directions
Students often confuse clockwise and anticlockwise moments, leading to incorrect calculations of turning effects.
To fix this, always visualize or draw the pivot point and the direction of the forces applied. Label clockwise moments as positive and anticlockwise moments as negative to keep track of their directions.
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