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moment of inertia tensor is a rank of?


udaysankar852 23rd Oct, 2021
Answer (1)
Vivek Kumar 30th Oct, 2021

Hi,

The moment-of-inertia tensor has this transformation law, which explains why it is called a tensor of rank 2 rather than simply a matrix. A matrix is just a square array of numbers with no particular transformation law under coordinate transformations.

The moment of inertia of a bit of mass is the product of the mass and the square of the distance of the mass from the spin axis. The moment of inertia of a body with respect to a particular spin axis is the sum of all of all the moments of its bits of mass.

Thank You.

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