- #1
Mechanics - Cylinders, springs and rough inclined plane
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Homework Help Overview
The discussion revolves around a mechanics problem involving cylinders, springs, and a rough inclined plane, specifically questioning the conditions under which friction may not be present in the system.
Discussion Character
- Exploratory, Assumption checking
Approaches and Questions Raised
- Participants are exploring the reasoning behind the absence of friction in the given scenario, with some suggesting to analyze moments about the center of the cylinder. Questions arise regarding the role of friction in the presence of a spring force.
Discussion Status
The discussion is ongoing, with participants sharing hints and questioning the assumptions made in the solution regarding friction. There is no explicit consensus, but multiple perspectives on the role of friction and spring forces are being examined.
Contextual Notes
Participants are grappling with the implications of the problem's setup, particularly regarding the definitions and roles of friction and spring forces in the context of the mechanics involved.
- #2
tiny-tim
Science Advisor
Homework Helper
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hi cupid.callin! 
hint: take moments about the centre of the cylinder
cupid.callin said:
hint: take moments about the centre of the cylinder
- #3
schaefera
- 208
- 0
Friction is a reaction force, if the spring is there then there would be no need for it (possibly?)
- #4
cupid.callin
- 1,130
- 1
tiny-tim said:hi cupid.callin!
hint: take moments about the centre of the cylinder
i just need to know why solution says there will be no friction
- #5
cupid.callin
- 1,130
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schaefera said:
shouldn't there be both friction and spring force and friction?
- #6
tiny-tim
Science Advisor
Homework Helper
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cupid.callin said:
yes, take moments about the centre of the cylinder, and you'll find out!
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