As shown below, a constant force F (with a magnitude of 25 N) pulls rightward on a box (m = 1.5 kg). The other side of the box is attached to a cord which is wrapped around a uniform solid disk (with a mass of 1.2 kg, a radius of 0.075 m, and a frictionless bearing). (I =-MR² for a uniform solid disk rotating about its center) The box travels 0.30 m while the constant force acts. 4 points each for finding any of the following: Notes/hints: You don't necessarily have to find them in this order. The final kinetic energy of the system will be equal to the work done by the force F. (a) (4 points) Find the angular acceleration of the disk (b) (4 points) Find the torque that the cord exerts on the disk (c) (4 points) Find the angular speed of the disk after the box has moved 0.30 m frictionless

As shown below, a constant force F (with a magnitude of 25 N) pulls rightward on a box (m = 1.5 kg). The other side of the box is attached to a cord which is wrapped around a uniform solid disk (with a mass of 1.2 kg, a radius of 0.075 m, and a frictionless bearing). (I =-MR² for a uniform solid disk rotating about its center) The box travels 0.30 m while the constant force acts. 4 points each for finding any of the following: Notes/hints: You don't necessarily have to find them in this order. The final kinetic energy of the system will be equal to the work done by the force F. (a) (4 points) Find the angular acceleration of the disk (b) (4 points) Find the torque that the cord exerts on the disk (c) (4 points) Find the angular speed of the disk after the box has moved 0.30 m frictionless

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 47P: A man stands on a merry-go-round that is rotating at 2.5 rad/s. If the coefficient of static...

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