Question : The angle turned by a body undergoing circular motion depends on time as 𝜃 = 𝜃0 + 𝜃1𝑡 + 𝜃2𝑡2 . Then the angular acceleration of the body is
(A) \theta _{1}
(B) \theta _{2}
(C) 2\theta _{1}
(D) 2\theta _{2}
Answer : option (D)
Solution :
The angle turned by a body undergoing circular motion depends on time as 𝜃 = 𝜃0 + 𝜃1𝑡 + 𝜃2𝑡2 . Then the angular acceleration of the body is
with
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