First slide

Moment of intertia

Question

Moment of inertia of a body is independent of

Easy

A

mass of the body
B

distribution of mass of the body
C

temperature of the body
D

angular velocity of the body

Solution

Moment of inertia of a body about an axis at a given temperature , depends upon
(i) Mass of the body
(ii) Distribution of mass about the axis.
(iii) Geometry of the body
(iv)Position of the axis.
Its mathematical expression is $\large I = \int r^2\;dm$

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