Coefficient of Kinetic friction as a function of speed

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SUMMARY

The coefficient of kinetic friction is independent of speed, as established in the discussion regarding a moving cart's frictional behavior. While it may appear that friction increases with speed, this perception is primarily attributed to the effects of increased air resistance rather than a change in the coefficient itself. The literature confirms that the types of materials involved dictate the coefficient of kinetic friction, not the velocity of the moving object. Understanding this distinction is crucial for accurate modeling of frictional forces in physics.

PREREQUISITES
  • Basic understanding of friction and its types
  • Familiarity with Newton's laws of motion
  • Knowledge of material properties and their influence on friction
  • Concept of air resistance and its effects on moving objects
NEXT STEPS
  • Research the effects of air resistance on moving objects
  • Explore literature on the coefficient of kinetic friction in various materials
  • Study Newton's laws of motion in relation to frictional forces
  • Investigate experimental methods for measuring friction at different speeds
USEFUL FOR

Physicists, engineering students, and anyone involved in the study of motion and frictional forces will benefit from this discussion.

Kibbel
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I'm modeling a moving cart, and I'm trying to determine if the coefficient of kinetic friction changes as a function of speed. Does anyone know of any literature where this is discussed, or if this happens? I would've thought friction solely depends on the types of materials used.
 
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The coefficient of kinetic friction is independent of speed. This may seem counter-intuitive at first, because most objects clearly experience more friction as you push them faster. This is mostly due to increased air resistance.
 

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