The bicyclist encounters a incline in the road. (Eigure 3) To maintain a constant velocity, the bicyclist shifts into a larger gear and applies a force on the pedals that results in a tension of T. in the chain. Given the same coefficient of rolling resistance of a 6 in, what is r, the radius of the gear used by the bicyclist to maintain the same velocity? Express your answer to three significant figures and include the appropriate units.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
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Chapter3: Transient Heat Conduction
Section: Chapter Questions
Problem 3.25P
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Here theta = 10 degree , tension T = 17 lb , coefficient of rolling resistance = 7.40 x 10 ^-2 in

 

Rolling Resistance
Then
obe
Learning Goal:
cbe
To be able to analyze the equilibrium of systems
undergoing rolling resistance.
obe
If a rigid cylinder of weight W rolls at a constant velocity
along a rigid surface and does not encounter any
frictional resistance from the air or the ground, its motion
will continue indefinitely. In reality, no materials are
perfectly rigid and, therefore, the surface upon which the
Exprebe
aiinde
mdindar nlle ill dafom de tn the udinder'e ninht Thie
Figure 3
of 3
Part B
The bicyclist encounters a
bicyclist shifts into a larger gear and applies a force on the pedals that results in a tension of T-E
in the chain. Given the same coefficient of rolling resistance of a 6 in, what is r, the radius of
the gear used by the bicyclist to maintain the same velocity?
incline in the road. (Figure 3) To maintain a constant velocity, the
Express your answer to three significant figures and include the appropriate units.
HA
Value
in
Transcribed Image Text:Rolling Resistance Then obe Learning Goal: cbe To be able to analyze the equilibrium of systems undergoing rolling resistance. obe If a rigid cylinder of weight W rolls at a constant velocity along a rigid surface and does not encounter any frictional resistance from the air or the ground, its motion will continue indefinitely. In reality, no materials are perfectly rigid and, therefore, the surface upon which the Exprebe aiinde mdindar nlle ill dafom de tn the udinder'e ninht Thie Figure 3 of 3 Part B The bicyclist encounters a bicyclist shifts into a larger gear and applies a force on the pedals that results in a tension of T-E in the chain. Given the same coefficient of rolling resistance of a 6 in, what is r, the radius of the gear used by the bicyclist to maintain the same velocity? incline in the road. (Figure 3) To maintain a constant velocity, the Express your answer to three significant figures and include the appropriate units. HA Value in
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