Justify why a rigid body with fixed moment of inertia will maintain a constant…

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Torque and Rotational Dynamics · Torque and Rotational Dynamics

Problem

Justify why a rigid body with fixed moment of inertia

I

will maintain a constant angular velocity

\boldsymbol{\omega}

if the vector sum of external torques acting on it is zero.