In the figure below, the ring E has a mass mg = 20 kg and a radius of gyration about its center C of kc 250 mm. A load mp 50 kg carried by the ring E has an initial downward velocity 1.2 m/s when a clockwise torque is applied to the drum A to maintain a constant force F = 380 N in the cable at B. Calculate the angular velocity of the ring 5 seconds after the torque is applied to the drum and the tension in the cable at O. Neglect all frictions %3! B E 375 mm = 1.2 m/s

In the figure below, the ring E has a mass mg = 20 kg and a radius of gyration about its center C of kc 250 mm. A load mp 50 kg carried by the ring E has an initial downward velocity 1.2 m/s when a clockwise torque is applied to the drum A to maintain a constant force F = 380 N in the cable at B. Calculate the angular velocity of the ring 5 seconds after the torque is applied to the drum and the tension in the cable at O. Neglect all frictions %3! B E 375 mm = 1.2 m/s

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Moment of Inertia

Inertia can be termed as a resistance offered by a body to change its state. A rigid body initially at rest will apply resistance when acted by an external force that tends to change its state of rest or velocity, or a body initially at motion will provide resistance in changing its state of velocity or motion for coming to a state of rest. In other words, Newton's first law of motion describes the law of inertia of a rigid body.

Question

In the figure below, the ring E has a mass mg = 20 kg and a radius of gyration about its center C of kc = 250 mm. A load
mp = 50 kg carried by the ring E has an initial downward velocity 1.2 m/s when a clockwise torque is applied to the drum
A to maintain a constant force F = 380 N in the cable at B. Calculate the angular velocity of the ring 5 seconds after the
torque is applied to the drum and the tension in the cable at O. Neglect all frictions
B
E
375 mm
D
= 1.2 m/s

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