ular positions of B and C are 60° and 135° respectivel e same direction. The distance between the planes of r ft., and between those of A and C is 12 ft., B and C bei e weights are to be fitted, cach with its centre of grav axis, in planes midway between those of A and B and ot magnitude and angular position with respect to A of eac Cond.) :36-7 lb. between A and B; 187° to A; 29-3 lb. I B and C. 310
ular positions of B and C are 60° and 135° respectivel e same direction. The distance between the planes of r ft., and between those of A and C is 12 ft., B and C bei e weights are to be fitted, cach with its centre of grav axis, in planes midway between those of A and B and ot magnitude and angular position with respect to A of eac Cond.) :36-7 lb. between A and B; 187° to A; 29-3 lb. I B and C. 310
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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Question
![16. Three rotating masses, A = 14 lb., B = 11 lb., and C
on a shaft, with centres of gravity 5 in., 8 in., and 3 in. respectively from the shaft
axis. The angular positions of B and C are 60° and 135° respectively from A,
measured in the same direction. The distance between the planes of rotation of
A and B is 4 ft., and between those of A and C is 12 ft., B and C being on the
same side of A.
Two balance weights are to be fitted, each with its centre of gravity 4 in.
from the shaft axis, in planes midway between those of A and B and of B and C.
Determine the magnitude and angular position with respect to A of each balance
weight. (U. Lond.)
= 21 lb., are carried
%3D
(Ans. : 36-7 lb. between A and B; 187° to A; 29-3 lb. between
B and C, 310° to A)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F69f0e193-c3c6-4bc7-8c45-6247412350d7%2F51715db4-0ac7-4ee8-b3fd-c4d5500f333a%2Fzigq97x_processed.jpeg&w=3840&q=75)
Transcribed Image Text:16. Three rotating masses, A = 14 lb., B = 11 lb., and C
on a shaft, with centres of gravity 5 in., 8 in., and 3 in. respectively from the shaft
axis. The angular positions of B and C are 60° and 135° respectively from A,
measured in the same direction. The distance between the planes of rotation of
A and B is 4 ft., and between those of A and C is 12 ft., B and C being on the
same side of A.
Two balance weights are to be fitted, each with its centre of gravity 4 in.
from the shaft axis, in planes midway between those of A and B and of B and C.
Determine the magnitude and angular position with respect to A of each balance
weight. (U. Lond.)
= 21 lb., are carried
%3D
(Ans. : 36-7 lb. between A and B; 187° to A; 29-3 lb. between
B and C, 310° to A)
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