7. A, B, C and D are four masses carried by a rotating shaft at radii 100 mm, 150 mm, 150 mm and 200 mm respectively. The planes in which the masses rotate are spaced at 500 mm apart and the magnitude of the masses B, C and D are 9 kg, 5 kg and 4 kg respectively. Find the required mass A and the relative angular settings of the four masses so that the shaft shall be in complete balance.

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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7.
A, B, C and D are four masses carried by a rotating shaft at radii 100 mm, 150 mm, 150 mm and
200 mm respectively. The planes in which the masses rotate are spaced at 500 mm apart and the
magnitude of the masses B, C and D are 9 kg, 5 kg and 4 kg respectively. Find the required mass A
and the relative angular settings of the four masses so that the shaft shall be in complete balance.
Transcribed Image Text:7. A, B, C and D are four masses carried by a rotating shaft at radii 100 mm, 150 mm, 150 mm and 200 mm respectively. The planes in which the masses rotate are spaced at 500 mm apart and the magnitude of the masses B, C and D are 9 kg, 5 kg and 4 kg respectively. Find the required mass A and the relative angular settings of the four masses so that the shaft shall be in complete balance.
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