Answer
$\tau = 8.0~N~m$
Work Step by Step
We can find the net torque on the object through the formula:
$\tau = I~\alpha$
$\tau = (2.0~kg~m^2)(4.0~rad/s^2)$
$\tau = 8.0~N~m$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.