Question
Asked Oct 11, 2019
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7)

Which of the following is not correct when describing moment of inertia?

  A.

distribution of mass

  B.

resistance to rotational motion (spin)

  C.

shape of object doesn't matter

  D.

calculated as a constant times "mR2

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Expert Answer

Step 1

The moment of Inertia is understood as the rotational analogue of the mass of the body.

Step 2

As the mass of a translating object defines its inertia, which is defined as the resistance of a body to resist any change in its present state of either rest or motion.

In a similar way moment of inertia of a rotating object is defined as the resistance to change in its angular motion.

Step 3

In the problem mentioned above.

The option A is related to the moment of inertia of any rotating object. For example, The moment of inertia of two circular objects, a ring a...

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