Answered: A shaft is supported in bearings 1.8 m…

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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A shaft is supported in bearings 1.8 m apart and projects 0.45 m beyond bearings at each end. The shaft carries three pulleys, one at each end and one at the middle of its length. The mass of end pulley is 48 kg and 20 kg and their center of gravity are 15 mm and 12.5 mm respectively from the shaft axis as shown in Figure Q3. Given that B has a mass of 56 kg, center of gravity 15mm and its position is on the middle between bearing L and M. If the pulleys are arranged so as to give static balance and by taking bearing L as reference plane, determine a. the relative angular positions of the pulleys b. the dynamics forces produced on the bearings when the shaft rotates at 300 rpm

& UTM UTM
-ve
R.P
+ve
A
E UTM 5 UTM 5
M& UTM UTM
B
3 UTM &UTM
UTM M & UTM
0.45 m
UTM
M
UTM & UCM
UT
mu 8 UTM
5 UTM UTM
2.7 m
0.45 m
m s UTUTM
5 UTM UTM

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