Posted by hayley on Thursday, July 12, 2012 at 5:21pm.
If they are spinning about the same axis, add them.
Add the accel+radius+ mass? I was a little unclear I need the moment of inertia for each individual object. Does what you said still apply?
Goodness. If they are spinning about the same axis, add the three moments of inertia to get the total moment of inertia.
Now each one individually,
torque=momentinertia*acceleration
force*distance=momentinertia*acceleration
solve for moment of inertia.
I am a little confused what you are given. If the object is hanging, and weight is the force, remember you have to factor in the angle between the force and the motion. See https://wiki.brown.edu/confluence/display/PhysicsLabs/LAB+6+-+OSCILLATORY+MOTION
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