A shaft of diameter 10 mm carries at its centre a mass of 12 kg. It is supported by two short bearings, the centre distance of which is 400 mm. Find the whirling speed : 1. neglecting the mass of the shaft, and 2. taking the mass of the shaft also into consideration. The density of shaft material is 7500 kg/m. JAns. 748 r.p.m.: 744 r.p.m.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A shaft of diameter 10 mm carries at its centre a mass of 12 kg. It is supported by two short
bearings, the centre distance of which is 400 mm. Find the whirling speed : 1. neglecting the mass
of the shaft, and 2. taking the mass of the shaft also into consideration. The density of shaft material
is 7500 kg/m.
[Ans. 748 r.p.m.; 744 r.p.m.]
Transcribed Image Text:A shaft of diameter 10 mm carries at its centre a mass of 12 kg. It is supported by two short bearings, the centre distance of which is 400 mm. Find the whirling speed : 1. neglecting the mass of the shaft, and 2. taking the mass of the shaft also into consideration. The density of shaft material is 7500 kg/m. [Ans. 748 r.p.m.; 744 r.p.m.]
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