In the figure here, a cylinder having a mass of 4.5 kg can rotate about its central axis through point O. Forces are applied as shown: F = 4.4 N, F2 = 6.1 N, F3 = 9.1 N, and F4 = 7.6 N. Also, r = 4.7 cm and R = 10 cm. Taking the clockwise direction to be negative, find the angular acceleration of the cylinder. (During the rotation, the forces maintain their same angles relative to the cylinder.) Rotation аxis Number i 98.82 Unit rad/s^2

Glencoe Physics: Principles and Problems, Student Edition
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Chapter7: Gravitation
Section: Chapter Questions
Problem 60A
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In the figure here, a cylinder having a mass of 4.5 kg can rotate about its central axis through point O. Forces are applied as shown:
F = 4.4 N, F2 = 6.1 N, F3 = 9.1 N, and F4 = 7.6 N. Also, r = 4.7 cm and R = 10 cm. Taking the clockwise direction to be negative, find the
angular acceleration of the cylinder. (During the rotation, the forces maintain their same angles relative to the cylinder.)
Rotation
axis
Number
i
98.82
Unit
rad/s^2
Transcribed Image Text:In the figure here, a cylinder having a mass of 4.5 kg can rotate about its central axis through point O. Forces are applied as shown: F = 4.4 N, F2 = 6.1 N, F3 = 9.1 N, and F4 = 7.6 N. Also, r = 4.7 cm and R = 10 cm. Taking the clockwise direction to be negative, find the angular acceleration of the cylinder. (During the rotation, the forces maintain their same angles relative to the cylinder.) Rotation axis Number i 98.82 Unit rad/s^2
The body in the figure is pivoted at O. Three forces act on it in the directions shown: FA = 5.40 N at point A, 8.00 m from O; FR = 16.0 N
at point B, 2.10m from O; and Fc = 19.0 N at point C, 4.80 m from O. Taking the clockwise direction to be negative, what is the net
torque about O?
135
160°
90°
FB
Number
i
21
Units
N-m
Transcribed Image Text:The body in the figure is pivoted at O. Three forces act on it in the directions shown: FA = 5.40 N at point A, 8.00 m from O; FR = 16.0 N at point B, 2.10m from O; and Fc = 19.0 N at point C, 4.80 m from O. Taking the clockwise direction to be negative, what is the net torque about O? 135 160° 90° FB Number i 21 Units N-m
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