Do Friction Forces Exist Between a Rod and a Shaggy Bowl?

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SUMMARY

This discussion addresses the existence of friction forces between a rigid rod and a shaggy bowl. It concludes that if the bowl is smooth, no friction forces are present. However, the introduction of a shaggy surface complicates the scenario, suggesting that friction forces may arise depending on the stabilization of the rod by balanced forces in the x and y directions. The analysis emphasizes that friction is a resistance to force and is not merely a static consideration.

PREREQUISITES
  • Understanding of basic physics concepts related to friction
  • Knowledge of force balance in two dimensions (x and y directions)
  • Familiarity with rigid body dynamics
  • Ability to analyze surface interactions
NEXT STEPS
  • Research the principles of friction in non-smooth surfaces
  • Study rigid body dynamics and force balance techniques
  • Explore the effects of surface texture on frictional forces
  • Learn about static versus kinetic friction in practical applications
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Physics students, mechanical engineers, and anyone interested in the dynamics of friction and surface interactions in rigid body systems.

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Homework Statement


http://picasaweb.google.com/lh/photo/ChOBWTwVEO3hI0wtftmdmw?feat=directlink
A rigid rod is put in a global bowl horizontally.The bowl is shaggy.Do friction forces exist where the rod and the bowl touch?

Homework Equations





The Attempt at a Solution


If the bowl is smooth,it's clear that friction forces don't exist.But what if the bowl is not smooth?
 
Last edited by a moderator:
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zasdfgbnm said:

Homework Statement


http://picasaweb.google.com/lh/photo/ChOBWTwVEO3hI0wtftmdmw?feat=directlink
A rigid rod is put in a global bowl horizontally.The bowl is shaggy.Do friction forces exist where the rod and the bowl touch?

Homework Equations



The Attempt at a Solution


If the bowl is smooth,it's clear that friction forces don't exist.But what if the bowl is not smooth?

Friction is a resistance to force. If the rod is otherwise stabilized by balanced forces x,y , then the effect of friction is not a static consideration.
 
Last edited by a moderator:

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