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Q7. What is the stress concentration for shear stress due to torsion at the critical location? (Select Nearest Value) 0.9 1.2 1.3 1.42 1.65 ОООО

Q7. What is the stress concentration for shear stress due to torsion at the critical location? (Select Nearest Value) 0.9 1.2 1.3 1.42 1.65 ОООО

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Q7. What is the stress concentration for shear stress due to torsion at the critical location? (Select Nearest Value) 0.9 1.2 О 1.3 O 1.42 O 1.65
Transcribed Image Text:Q7. What is the stress concentration for shear stress due to torsion at the critical location? (Select Nearest Value) 0.9 1.2 О 1.3 O 1.42 O 1.65
The round stepped shaft (diameters d and D) shown below is a design for an exoplanet rover wheel axle. Assuming the wheel is stuck, a torque from the motor is transmitted to the axle but it is not rotating. The reaction of the weight of the rover on the ground and the torque the wheel applies to the ground are represented by the force F acting in the center of the wheel hub (not shown) at point C. There is a sharp fillet at B with radius r shown below. Bearings are shown at point A and next to point B. You may assume the bearing at B resists the bending moment caused by the force F and acts like a fixed reaction. В A L2 L1 T L3 - ØD Ød R. r F SUBMIT ANSWERS HERE: Paramete Parameter Value Value SUT (tension) 400 MPa | L1 400 mm Suc (Compression) 600 Мра L2 200 mm Sy 380 MPа L3 100 mm 600 N-m ø d 40 mm F 0.2 kN ø D 55 mm R. r 8 mm
Transcribed Image Text:The round stepped shaft (diameters d and D) shown below is a design for an exoplanet rover wheel axle. Assuming the wheel is stuck, a torque from the motor is transmitted to the axle but it is not rotating. The reaction of the weight of the rover on the ground and the torque the wheel applies to the ground are represented by the force F acting in the center of the wheel hub (not shown) at point C. There is a sharp fillet at B with radius r shown below. Bearings are shown at point A and next to point B. You may assume the bearing at B resists the bending moment caused by the force F and acts like a fixed reaction. В A L2 L1 T L3 - ØD Ød R. r F SUBMIT ANSWERS HERE: Paramete Parameter Value Value SUT (tension) 400 MPa | L1 400 mm Suc (Compression) 600 Мра L2 200 mm Sy 380 MPа L3 100 mm 600 N-m ø d 40 mm F 0.2 kN ø D 55 mm R. r 8 mm
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