EXERCISE 5.1 Spheres A and B are welded to a connecting bar of negligible mass that is mounted obliquely on a shaft that rotates at the constant rate . The mass of the shaft also is negligible, so the center of mass O of this system is situated on the shaft. Thus the system is statically balanced. Evaluate the angular momentum of the two spheres about the center of mass in a stationary frame when the connecting bar is horizontal and when the shaft has rotated by 1° from that position. (Hint: Use O as the origin of frame XYZ. The direction of X is along the shaft. Z direction is vertically upward. Attach frame xyz to the bar and make it coincide with frame XYZ at the instant.)
EXERCISE 5.1 Spheres A and B are welded to a connecting bar of negligible mass that is mounted obliquely on a shaft that rotates at the constant rate . The mass of the shaft also is negligible, so the center of mass O of this system is situated on the shaft. Thus the system is statically balanced. Evaluate the angular momentum of the two spheres about the center of mass in a stationary frame when the connecting bar is horizontal and when the shaft has rotated by 1° from that position. (Hint: Use O as the origin of frame XYZ. The direction of X is along the shaft. Z direction is vertically upward. Attach frame xyz to the bar and make it coincide with frame XYZ at the instant.)
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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![EXERCISE 5.1 Spheres A and B are welded to a connecting bar of
negligible mass that is mounted obliquely on a shaft that rotates at the
constant rate . The mass of the shaft also is negligible, so the center
of mass O of this system is situated on the shaft. Thus the system is
statically balanced. Evaluate the angular momentum of the two spheres about the center
of mass in a stationary frame when the connecting bar is horizontal and when the shaft
has rotated by 1° from that position.
(Hint: Use O as the origin of frame XYZ. The direction of X is along the shaft. Z direction
is vertically upward. Attach frame xyz to the bar and make it coincide with frame XYZ at
the instant.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3bf1c5b3-57c2-46ee-9184-9ffa514a30cb%2F9c137792-fbcf-403c-9514-206cad690def%2F1z37hzr_processed.png&w=3840&q=75)
Transcribed Image Text:EXERCISE 5.1 Spheres A and B are welded to a connecting bar of
negligible mass that is mounted obliquely on a shaft that rotates at the
constant rate . The mass of the shaft also is negligible, so the center
of mass O of this system is situated on the shaft. Thus the system is
statically balanced. Evaluate the angular momentum of the two spheres about the center
of mass in a stationary frame when the connecting bar is horizontal and when the shaft
has rotated by 1° from that position.
(Hint: Use O as the origin of frame XYZ. The direction of X is along the shaft. Z direction
is vertically upward. Attach frame xyz to the bar and make it coincide with frame XYZ at
the instant.)
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