Question

Obtain the expression for the rotational kinetic energy of a rigid body when the rotation is referred to its principal axes of inertia, for a spherical top (a uniform solid sphere).

19 Jan 2026
Answer :
Word Count : 219
For a rigid body rotating about its principal axes of inertia, the rotational kinetic energy is given by [ T = \frac{1}{2}\left(I_1 \omega_1^2 + I_2 \omega_2^2 + I_3 \omega_3^2\right) ] where (I_1, I_2, I_3) are the principal moments of inertia about the principal ________ ________ _______ _________ _________ _______ ____.
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