Consider a rigid body rotating about an axis passing through a fixed point in the body with an angular velocity$$$.$ Determine the kinetic energy of such a rotating body in a coordinate system of principal axis. If the earth suddenly stops rotating$,$ what will happen to the rotational kinetic energy? Comment in detail.

 

 

 

 

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To determine the kinetic energy of a rotating body in a coordinate system of principal axes we first ... View the full answer