2. A winding drum of an elevator is 3.5 meters in diameter. The cab is raised at 91 m/min and has a mass of 4000 kg. a. Determine the torque applied to the drum. b. How much power (in metric units) must the motor develop?

2. A winding drum of an elevator is 3.5 meters in diameter. The cab is raised at 91 m/min and has a mass of 4000 kg. a. Determine the torque applied to the drum. b. How much power (in metric units) must the motor develop?

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter10: Rotation Of A Rigid Object About A Fixed Axis

Section: Chapter Questions

Problem 10.83AP: A solid sphere of mass m and radius r rolls without slipping along the track shown in Figure P10.8S....

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Concept explainers

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

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2. A winding drum of an elevator is 3.5 meters in diameter. The cab is raised at 91 m/min and has a mass
of 4000 kg.
a. Determine the torque applied to the drum.
b. How much power (in metric units) must the motor develop?

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