A 6.20 [kg] square plate has side length of 3.25 [m] and is pivoted about an axis through its center and perpendicular to the plate. The following forces act on the plate: F1 = 48.0 [N], F2 = 50.0 [N], and F3 = 42.0 [N], with the directions shown in the figure below. %3D A. What is the net torque on the square plate due to the forces? F2 F1 B. What is the angular acceleration of the plate? Hint: The moment of inertia for a plate of length a and width b rotating about its center is Icom =M(a² + b²), where M is the mass of the plate. C. If the plate is initially at rest, what is its angular 45° velocity after 5.00 [s]?

A 6.20 [kg] square plate has side length of 3.25 [m] and is pivoted about an axis through its center and perpendicular to the plate. The following forces act on the plate: F1 = 48.0 [N], F2 = 50.0 [N], and F3 = 42.0 [N], with the directions shown in the figure below. %3D A. What is the net torque on the square plate due to the forces? F2 F1 B. What is the angular acceleration of the plate? Hint: The moment of inertia for a plate of length a and width b rotating about its center is Icom =M(a² + b²), where M is the mass of the plate. C. If the plate is initially at rest, what is its angular 45° velocity after 5.00 [s]?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter10: Fixed-axis Rotation

Section: Chapter Questions

Problem 91P: Suppose when Earth was created, it was not rotating. However, after the application of a uniform...

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