# Chapter 12 - Rotation of a Rigid Body - Exercises and Problems: 23

$\tau = 8.0~N~m$

#### Work Step by Step

We can find the net torque on the object as; $\tau = I~\alpha$ $\tau = (2.0~kg~m^2)(4.0~rad/s^2)$ $\tau = 8.0~N~m$

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