A shaft is supported in two bearings 2.8 m apart and projects 0.7m beyond the bearings at each end. The shaft carries three pulleys, one at each end and one at the middle of its length. The end pulleys have masses of 95 kg and 60 kg and their centres of mass are at 3,65 and 6 mm respectively from the shaft axis. The centre pulley has a mass of 82 kg and its centre of mass is 6.05 mm from the shaft axis. If the pulleys are arranged so as to give static balance, determine the dynamic forces produced on the bearings when the shaft retates at 350 r/min

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A shaft is supported in two bearings 2.8 m apart and projects 0.7m beyond the bearings at each end. The
shaft carries three pulleys, one at each end and one at the middle of its length. The end pulleys have masses
of 95 kg and 60 kg and their centres of mass are at 3,65 and 6 mm respectively from the shaft axis. The
centre pulley has a mass of 82 kg and its centre of mass is 6.05 mm from the shaft axis. If the pulleys are
arranged so as to give static balance, determine the dynamic forces produced on the bearings when the
shaft retates at 350 r/min
Transcribed Image Text:A shaft is supported in two bearings 2.8 m apart and projects 0.7m beyond the bearings at each end. The shaft carries three pulleys, one at each end and one at the middle of its length. The end pulleys have masses of 95 kg and 60 kg and their centres of mass are at 3,65 and 6 mm respectively from the shaft axis. The centre pulley has a mass of 82 kg and its centre of mass is 6.05 mm from the shaft axis. If the pulleys are arranged so as to give static balance, determine the dynamic forces produced on the bearings when the shaft retates at 350 r/min
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