The blade of an oscillating fan and the rotor of its motor shown have a total weight of 1 kg and a combined radius of gyration (for all axes) of 100 mm. They are supported by bearings at A and B, 125 mm apart, and rotate at the rate ω1 = 2000 rpm. Determine; a) the dynamic reactions at A and B when the motor casing has an angular velocity ω2 = (0.5 j+1.5 k) rad/s. b) the static reactions at A and B when the fan has stopped. Note: Assume that the center of mass of the entire system is between the middle of the bearings of A and B, that is 62.5 mm away from bearing A. 125 mmThe blade of an oscillating fan and the rotor of its motor shown have a totalweight of 1 kg and a combined radius of gyration (for all axes) of 100 mm. They aresupported by bearings at A and B, 125 mm apart, and rotate at the rate o = 2000 rpm.Determine;a) the dynamic reactions at A and B when the motor casing has an angular velocity w2 =(0.5 j+1.5 k) rad/s.b) the static reactions at A and B when the fan has stopped.Note: Assume that the center of mass of the entire system is between the middle of thebearings of A and B, that is 62.5 mm away from bearing A.

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Answered: 125 mm | B The blade of an oscillating…

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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The blade of an oscillating fan and the rotor of its motor shown have a total
weight of 1 kg and a combined radius of gyration (for all axes) of 100 mm. They are
supported by bearings at A and B, 125 mm apart, and rotate at the rate ω1 = 2000 rpm.
Determine;
a) the dynamic reactions at A and B when the motor casing has an angular velocity ω2 =
(0.5 j+1.5 k) rad/s.
b) the static reactions at A and B when the fan has stopped.
Note: Assume that the center of mass of the entire system is between the middle of the
bearings of A and B, that is 62.5 mm away from bearing A.

125 mm
The blade of an oscillating fan and the rotor of its motor shown have a total
weight of 1 kg and a combined radius of gyration (for all axes) of 100 mm. They are
supported by bearings at A and B, 125 mm apart, and rotate at the rate o = 2000 rpm.
Determine;
a) the dynamic reactions at A and B when the motor casing has an angular velocity w2 =
(0.5 j+1.5 k) rad/s.
b) the static reactions at A and B when the fan has stopped.
Note: Assume that the center of mass of the entire system is between the middle of the
bearings of A and B, that is 62.5 mm away from bearing A.

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