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Question & Answer
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The friction coefficient of the polymer decreases more significantly than that of the metal.
Both materials experience the same degree of change in their friction coefficients.
The friction coefficient of the metal decreases more significantly than that of the polymer.
Temperature has no effect on the friction coefficients of either material.
Understanding the Answer
Let's break down why this is correct
When a polymer is heated, its chain structure relaxes and the material softens. Other options are incorrect because The belief that all materials react the same is a misconception; Many think metals are more sensitive to heat.
Key Concepts
Friction Coefficient Variations
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Deep Dive: Friction Coefficient Variations
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Definition
Friction coefficient variations due to factors like surface roughness, surface area, and object mass affect sliding behavior on inclines. Understanding these variations helps analyze frictional forces' complexities and their impact on object motion.
Topic Definition
Friction coefficient variations due to factors like surface roughness, surface area, and object mass affect sliding behavior on inclines. Understanding these variations helps analyze frictional forces' complexities and their impact on object motion.
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