To Increase the Rotational Inertia of a Solid Disk About

question 42

Multiple Choice

To increase the rotational inertia of a solid disk about its axis without changing its mass:

• A)drill holes near the rim and put the material near the axis
• B)drill holes near the axis and put the material near the rim
• C)drill holes at points on a circle near the rim and put the material at points between the holes
• D)drill holes at points on a circle near the axis and put the material at points between the holes
• E)do none of the above (the rotational inertia cannot be changed without changing the mass)

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