03 In Fig.P4-03 the electric motor exerts a torque of 3,000 N.m on the steel shaft ABCD when it is rotating at constant speed. ermine the total angle of twist between points A and D. For steel, G 79 GPa. If the torques at B and C are as shown, det- 1,800 N.m 1,200 N.m d=50 mm d=38 mm 0.20 m d=64 mm 0.25 m 0.30 m Electric motor rig. 03

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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03 In Fig.P4-03 the electric motor exerts a torque of
3,000 N.m on the steel shaft ABCD when it is rotating at
constant speed.
ermine the total angle of twist between points A and D.
For steel,G = 79 GPa.
If the torques at B and C are as shown, det-
1,800 N.m
1, 200 N.m
d=38
mm
d=50 mm
d=64
mm
0.25 m
0.30 m
0.20 m
Electric
motor
Fig.
03
Transcribed Image Text:03 In Fig.P4-03 the electric motor exerts a torque of 3,000 N.m on the steel shaft ABCD when it is rotating at constant speed. ermine the total angle of twist between points A and D. For steel,G = 79 GPa. If the torques at B and C are as shown, det- 1,800 N.m 1, 200 N.m d=38 mm d=50 mm d=64 mm 0.25 m 0.30 m 0.20 m Electric motor Fig. 03
For the composite section shown in Fig.P4-04 a torque
04
T = 8,000 N.m is applied at end B. If G = 79 GPa for steel
and 26 GPa for aluminum, determine (a) the maximum shearing
stress in the steel core, (b) the maximum shearing stress in
the aluminum shell, and the angle of tvist at B.
80 mm
¥60 mm
Steel
Aluminum
Fig.
-04
2.50 m
Transcribed Image Text:For the composite section shown in Fig.P4-04 a torque 04 T = 8,000 N.m is applied at end B. If G = 79 GPa for steel and 26 GPa for aluminum, determine (a) the maximum shearing stress in the steel core, (b) the maximum shearing stress in the aluminum shell, and the angle of tvist at B. 80 mm ¥60 mm Steel Aluminum Fig. -04 2.50 m
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