The unit of angular acceleration in the SI system is
$N\,k{g^{ - 1}}$
$m\,{s^{ - 2}}$
$rad\,{s^{ - 2}}$
$m\,k{g^{ - 1}}K$
The unit of angular acceleration in the SI system is
Angular acceleration $ = \frac{{{\rm{Angular velocity}}}}{{{\rm{Time}}}} = \frac{{rad}}{{{{\sec }^2}}}$
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