3. The figure shows a shaft mounted in bearings at A and D and having pulleys at B and C. The forces shown acting on the pulley surfaces represent the belt tensions. The shaft is to be made of AISI 1035 CD steel. Using a conservative failure theory with a design factor of 2, determine the minimum shaft diameter to avoid yielding. 300 lbf 8 in 6-in D. 50 lbf B 8-in D. 8 in 59 lbf 392 lbf D C6 in

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Can you please answer these questions? (3 and 4) thank you

3. The figure shows a shaft mounted in bearings at A and D and having pulleys at B and C. The forces
shown acting on the pulley surfaces represent the belt tensions. The shaft is to be made of AISI 1035 CD
steel. Using a conservative failure theory with a design factor of 2, determine the minimum shaft diameter
to avoid yielding.
300 lbf
8 in
A
6-in D.
50 lbf
59 lbf
392 lbf D
C 6 in
8-in D.
8 in
4. By modern standards, the shaft design of problem 3 is poor because it is so long. Suppose it is redesigned
by halving the length dimensions. Using the same material and design factor as in problem, find the new
shaft diameter.
Transcribed Image Text:3. The figure shows a shaft mounted in bearings at A and D and having pulleys at B and C. The forces shown acting on the pulley surfaces represent the belt tensions. The shaft is to be made of AISI 1035 CD steel. Using a conservative failure theory with a design factor of 2, determine the minimum shaft diameter to avoid yielding. 300 lbf 8 in A 6-in D. 50 lbf 59 lbf 392 lbf D C 6 in 8-in D. 8 in 4. By modern standards, the shaft design of problem 3 is poor because it is so long. Suppose it is redesigned by halving the length dimensions. Using the same material and design factor as in problem, find the new shaft diameter.
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