12. Five forces act on a rod that is free to pivot at point P, as shown in the figure. Which of these forces is producing a counter-clockwise torque about point P? (There Rotational Motion and Static Equilibrium could be more than one correct choice.) D. a) Force A b) Force B c) Force C d) Force D e) Force E 13. When a fan is turned off, its angular speed decreases from 10 rad/s to 6.3 rad/s in 5.0 s. What is the magnitude of the angular acceleration of the fan? 14. A chicken is running in a circular path with an angular speed of 1.52 rad/s. How long does it take the chicken to complete one revolution?
12. Five forces act on a rod that is free to pivot at point P, as shown in the figure. Which of these forces is producing a counter-clockwise torque about point P? (There Rotational Motion and Static Equilibrium could be more than one correct choice.) D. a) Force A b) Force B c) Force C d) Force D e) Force E 13. When a fan is turned off, its angular speed decreases from 10 rad/s to 6.3 rad/s in 5.0 s. What is the magnitude of the angular acceleration of the fan? 14. A chicken is running in a circular path with an angular speed of 1.52 rad/s. How long does it take the chicken to complete one revolution?
Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter11: Angular Momentum
Section: Chapter Questions
Problem 5P: Two forces F1 and F2 act along the two sides of an equilateral triangle as shown in Figure P11.5....
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