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Early Conquests of Ranjit Singh

The unit of a...

Question

The unit of angular acceleration in the SI system is

A

m k g^{- 1} K

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B

r a d s^{- 2}

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C

N k g^{- 1}

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D

m s^{- 2}

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Solution

The correct option is B $r a d s^{- 2}$
Angular acceleration is represented by
$= \frac{Angular velocity}{Time}$
SI unit of angular velocity, $r a d / s$ .
SI unit of time, $s$ .
So, the SI unit of angular acceleration,
$r a d s^{- 2}$

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Early Conquests of Ranjit Singh

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