3. A rowing machine consists of a solid disk with a radius of 20-cm and a mass of 19-kg. An athlete pulls on the attached cable with a force of 10-Newtons and causes the disk to accelerate. If the disk starts from rest, determine; a. The disk's moment of inertia. b. The magnitude of the torque applied by the athlete. C. The disk's angular acceleration. d. The disk's angular momentum at t = 5.0 sec.

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Chapter8: Rotational Equilibrium And Rotational Dynamics
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3. A rowing machine consists of a solid disk with a radius of 20-cm and a mass of 19-kg. An athlete
pulls on the attached cable with a force of 10-Newtons and causes the disk to accelerate. If the
disk starts from rest, determine;
a. The disk's moment of inertia.
b. The magnitude of the torque applied by the athlete.
C. The disk's angular acceleration.
d. The disk's angular momentum at t = 5.0 sec.
Transcribed Image Text:3. A rowing machine consists of a solid disk with a radius of 20-cm and a mass of 19-kg. An athlete pulls on the attached cable with a force of 10-Newtons and causes the disk to accelerate. If the disk starts from rest, determine; a. The disk's moment of inertia. b. The magnitude of the torque applied by the athlete. C. The disk's angular acceleration. d. The disk's angular momentum at t = 5.0 sec.
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