Physics And Measurement Question 315
Question: The unit of angular acceleration in the SI system is
[SCRA 1980; EAMCET 1981]
Options:
A) $ Nk{{g}^{-1}} $
B) $ m{{s}^{-2}} $
C) $ rad{{s}^{-2}} $
D) [mk{{g}^{-1}}K $
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Answer:
Correct Answer: C
Solution:
Angular acceleration $ =\frac{\text{Angular velocity}}{Time}=\frac{rad}{{{\sec }^{2}}} $