Newton's Second Law in Rotational Form · AP Physics C Mechanics

AP Physics C Mechanics Quiz

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TORQUE AND ROTATIONAL DYNAMICS

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Torque is

\tau = rF\sin\theta

and rotational Newton's Second Law is

\tau_{\text{net}} = I\alpha

, where

I

resists changes in rotation. A wheel has

I=2.0\,\text{kg}\cdot\text{m}^2

and experiences a net torque

\tau_{\text{net}}=6.0\,\text{N}\cdot\text{m}

. Calculate the angular acceleration

\alpha

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