ramophone is driven by a rernor. The mass of each centre of a leaf spring is

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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A gramophone is driven by a Pickering
governor. The mass of each disc attached to
the centre of a leaf spring is 20 g. The each
spring is 5 mm wide and 0.125 mm thick. The
effective length of each spring is 40 mm. The
distance from the spindle axis to the centre of
gravity of the mass when the governor is at
rest, is 10 mm. Find the speed of the turntable
when the sleeve has Fisen 0.8 mm and the
ratio of the governor speed to the turntable
speed is 10.5. Take E = 210 kN/mm?.
Transcribed Image Text:A gramophone is driven by a Pickering governor. The mass of each disc attached to the centre of a leaf spring is 20 g. The each spring is 5 mm wide and 0.125 mm thick. The effective length of each spring is 40 mm. The distance from the spindle axis to the centre of gravity of the mass when the governor is at rest, is 10 mm. Find the speed of the turntable when the sleeve has Fisen 0.8 mm and the ratio of the governor speed to the turntable speed is 10.5. Take E = 210 kN/mm?.
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