A wheel that starts from rest begins to rotate clockwise and its angular speed increases

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Torque and Rotational Dynamics · Torque and Rotational Dynamics

Problem

A wheel that starts from rest begins to rotate clockwise and its angular speed increases. With counterclockwise defined as positive, state the sign of the wheel’s angular acceleration and briefly explain your reasoning.

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