A uniform 4.7-kg cylinder can rotate about an axis through its center at O. The forces applied are: F₁ = 3.7 N, F₂ = 3.4 N, F3 = 3.9 N, and F4 = 4.8 N. Also, R₁ = 12.0 cm and R3 = 7.0 cm. Find the magnitude and direction (+: counterclockwise; - clockwise) of the angular acceleration of the cylinder. FI F4 0 RI R3 F3 F2 M
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