3.7-2 A motor drives a shaft at 12 Hz and delivers 20 kW of power (see figure). (a) If the shaft has a diameter of 30 mm, what is the maximum shear stress Tmax in the shaft? (b) If the maximum allowable shear stress is 40 MPa, what is the minimum permissible diameter d of the shaft? min PROB. 3.7-2 20 kW 12 Hz
3.7-2 A motor drives a shaft at 12 Hz and delivers 20 kW of power (see figure). (a) If the shaft has a diameter of 30 mm, what is the maximum shear stress Tmax in the shaft? (b) If the maximum allowable shear stress is 40 MPa, what is the minimum permissible diameter d of the shaft? min PROB. 3.7-2 20 kW 12 Hz
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![PROB. 3.7-2
Problems Chapter 3
3.7-2 A motor drives a shaft at 12 Hz and delivers 20 kW
of power (see figure).
(a) If the shaft has a diameter of 30 mm, what is the
maximum shear stress Tax in the shaft?
(b) If the maximum allowable shear stress is 40 MPa,
what is the minimum permissible diameter d... of the shaft?
min
20 kW
341
12 Hz](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8915d728-937d-43ea-a562-0dcad69acf5a%2F107f3096-b592-4e96-b2e9-c00ab77dfd64%2F3q069j_processed.jpeg&w=3840&q=75)
Transcribed Image Text:PROB. 3.7-2
Problems Chapter 3
3.7-2 A motor drives a shaft at 12 Hz and delivers 20 kW
of power (see figure).
(a) If the shaft has a diameter of 30 mm, what is the
maximum shear stress Tax in the shaft?
(b) If the maximum allowable shear stress is 40 MPa,
what is the minimum permissible diameter d... of the shaft?
min
20 kW
341
12 Hz
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