Question

Define moment of inertia state it's dimension & SI unit​

Answer 1

Answer:

The unit of moment of inertia is a composite unit of measure. In the International System (SI), m is expressed in kilograms and r in metres, with I (moment of inertia) having the dimension kilogram-metre square. ... For a body with a mathematically indescribable shape, the moment of inertia can be obtained by experiment.

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Answer 2

MOMENT OF INERTIA

• It is the rotational analogue of mass.

• It is an index representing the inertia of a body in a rotational motion. In other words, moment of inertia (just like mass) tries to resist any change in the rotational motion.

• The dimension of Moment of Inertia is

$\boxed{ \bf [MI] = [M{L}^{2} {T}^{0} ]}$

• SI UNIT of this quantity is : kg m².

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