net torque on a sphere


by mathdude88
Tags: sphere, torque
mathdude88
mathdude88 is offline
#1
Nov19-08, 06:59 PM
P: 10
1. The problem statement, all variables and given/known data
see problem 4 attachment


2. Relevant equations
see problem 4 attempt attachment


3. The attempt at a solution
see problem 4 attempt attachment
1. The problem statement, all variables and given/known data



2. Relevant equations



3. The attempt at a solution
Attached Thumbnails
problem 4.jpg   problem 4 attempt.jpg  
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PhanthomJay
PhanthomJay is offline
#2
Nov19-08, 08:13 PM
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P: 5,959
You started out correctly by determining the angular acceleration, but then you reverted back to translational motion using F=ma. What's the form of Newton 2 applied to rotating objects that are accelerating?


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