Question

The unit of angular acceleration in the SI system is

• A. $Nkg^{- 1}$
• B. $ms^{- 2}$
• C. $rads^{- 2}$
• D. $mkg^{- 1}K$

Answer 1

Answer: (C)

$rads^{- 2}$

Answer 2

Angular acceleration $= \frac{\text{Angular velocity}}{\text{Time}} = \frac{rad}{\sec^{2}}$