Concept explainers
Your teacher challenges you and your best friend to each pull on a pair of scales attached to the ends of a horizontal rope, in tug-of-war fashion, so that the readings on the scales will differ. Can this be done? Explain.
To Explain:Whether the readings on the scale can be different.
Explanation of Solution
Introduction:
When a rope is pulled from its two ends, there exists tension in the string.
This tension shows up as the reading on the scale. Thus, there cannot be two different readings on scales no matter how hard each one pulls.
Conclusion:
The readings on the scale cannot be different.
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Conceptual Physics: The High School Physics Program
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