Moment of Inertia (not through symmetry axis)

  • #1

Homework Statement


What is the moment of inertia of a solid cylinder (of mass 8.41kg and radius 7.5cm) rotating about an axis parallel to the symmetry axis but passing through the edge of the cylinder?


Homework Equations


I=.5mr2,
but how does this change when the axis is passing through the edge of the cylinder?


The Attempt at a Solution


I can't attempt it intelligently until I have the correct equation. Once I do, I can finish it off myself.
 
Last edited:

Answers and Replies

  • #2
rock.freak667
Homework Helper
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You will need the parallel axis theorem:

I=Icenter+mr2
 
  • #3
Thanks so much!
 

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