Question

Use the previous table and rank the difficulty of rotating the following objects: disk, hoop, solid...

Use the previous table and rank the difficulty of rotating the following objects: disk, hoop, solid sphere, or spherical shell. Start from easiest to rotate to hardest to rotate. Assume each objects have the same mass and same radius.

  • For the previous example, if a person wanted to make the moment of inertia to be half as large, he can
  • A.) reduce the mass by 1/2.
  • B.) increase the mass by 2.
  • C.) reduce the radius by 1/2.
  • D.) reduce the radius by 1/√("2" ).
  • E.) increase the mass by 2, reduce the radius by 1/2.
  • F.) reduce the mass by 1/4, and increase the radius by 2.
  • G.) reduce the mass by 1/8, and increase the radius by 2.

Group of answer choices

solid sphere, disk, hoop, spherical shell

disk, hoop, solid sphere, spherical shell

solid sphere, disk, spherical shell, hoop

hoop, spherical shell, solid sphere, disk

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