Question 3: The four gears are attached to a steel shaft that is rotating at 4Hz. Gear B supplies 70 kW of power to the shaft. Of that power, 20 kW are used by gear A, 20 kW by gear C, and 30 kW by gear D. (a) Find the uniform shaft diameter if the shear stress in the shaft is not to exceed 60 MPa. (b) If a uniform shaft diameter of 100 mm is specified, determine the angle by which one end of the shaft lags behind the other end. -20 kW +70 kW -20 kW -30 kW B 2 m 1.5 m 1.5 m-

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Question 3: The four gears are
attached to a steel shaft that is
rotating at 4Hz. Gear B supplies 70 kW
of power to the shaft. Of that power, 20
kW are used by gear A, 20 kW by gear
C, and 30 kW by gear D. (a) Find the
uniform shaft diameter if the shear
stress in the shaft is not to exceed 60
MPa. (b) If a uniform shaft diameter of
100 mm is specified, determine the
angle by which one end of the shaft
lags behind the other end.
-20 kW
+70 kW
-20 kW
-30 kW
B
C
D
2 m-
1.5 m 1.5 m→
Transcribed Image Text:Question 3: The four gears are attached to a steel shaft that is rotating at 4Hz. Gear B supplies 70 kW of power to the shaft. Of that power, 20 kW are used by gear A, 20 kW by gear C, and 30 kW by gear D. (a) Find the uniform shaft diameter if the shear stress in the shaft is not to exceed 60 MPa. (b) If a uniform shaft diameter of 100 mm is specified, determine the angle by which one end of the shaft lags behind the other end. -20 kW +70 kW -20 kW -30 kW B C D 2 m- 1.5 m 1.5 m→
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