Newton's Second Law in Rotational Form

AP Physics 1· difficulty 2/5

I = 0.50~\text{kg·m}^2

A
$0.13~\text{rad/s}^2$
B
$20~\text{rad/s}^2$
C
$8.0~\text{rad/s}^2$
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D
$2.0~\text{rad/s}^2$

Explanation

\alpha = \tau/I = 4.0/0.50 = 8.0~\text{rad/s}^2

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