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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Definitions:

Epiphysis

The terminal section of a lengthy bone that originally develops independently from the main body.

Spongy Bone

Spongy bone, also known as cancellous bone, is less dense bone that is found at the ends of long bones and in the inner layers of other bones, characterized by a porous structure.

Diaphysis

The shaft or central part of a long bone, typically cylindrical in shape and containing the marrow cavity.

Epiphyseal Lines

Remnants of the epiphyseal plate in long bones, signifying the end of bone growth in length.