11-66. Determine the absolute muximum bending stress in the 40-mm-diameter shaft which is subjected to the concentrated forces. The sleeve bearings at A and B support only vertical forces. 1800N 1350 N 300 m 20 mg 375 m
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- The shaft has an outer diameter of 100 mm and an inner diameter of 80 mm. If it is subjected to the three torques, plot the shear stress distribution along a radial line for the cross section within region CD of the shaft. The smooth bearings at A and B do not resist torque.10-21. The shaft has an outer diameter of 100 mm and an inner diameter of 80 mm. If it is subjected to the three torques, plot the shear stress distributicn along a radial line for the cross section within region CD of the shaft. The smooth bearings at A and B do not resist tarque. 10 kN-m 15 kN m 5 kN-m10-57. The tubular drive shaft for the propeller of a hovereraft is 6 m long. If the motor delivers 4 MW of power to the shaft when the propellers rotate at 25 rad's, determine the required inner diameter of the shaft if the outer diameter is 250 mm. What is the angle of twist of the shaft when it is operating? Take Ta-90 MPa and G = 75 GPa.
- The shaft is made from a solid steel section AB and a tubular portion made of steel and having a brass core. If it is fixed to a rigid support at A, and a torque of T = 50 lb.ft is applied to it at C, determine the rotation angle that occurs at C relative to A and compute the maximum shear stress and maximum shear strain in the brass and steel. Take Gst = 11500 ksi, Gbr = 5600 Ksi. 3 ft 0.5 in. B 1 in. T = 50 lb•ft= 5-6. The solid shaft has a diameter of 0.75 in. If it is subjected to the torques shown, determine the maximum shear stress developed in regions BC and DE of the shaft. The bearings at A and Fallow free rotation of the shaft. B 20 lb-ft 35 lb-ft 40 lb-ft 25 lb-ft Probs. 5-6/7The solid aluminum shaft has a diameter of 50 mm and allowable shear stress of tallow = 60 MPa. Determine the largest torque T1 that can be applied to the shaft if it is also subjected to the other torsional loadings. It is requiredthat T1 act in the direction shown. Also, determine the maximum shear stress within regions CD and DE. 5–7. The solid aluminum shaft has a diameter of 50
- 10-2. The solid shaft of radius r is subjected to a torque T. Determine the radius r' af the inner core of the shaft that resists one-quarter of the applied torque (T/4). Solve the problem two ways: (a) by using the tarsion formula, (b) by finding the resultant of the shear-stress distribution. тThe 60-mm-diameter solid shaft is made of 2014-T6 aluminum and is subjected to the distributed and concentrated torsional loadings shown. Determine the angle of twist at the free end A of the shaft.If the hollow shaft is subjected to a uniform distributed torque of 20 kNm/m, determine thesupport reactions at A and C. The shaft is made of aluminum alloy with G = 28 GPa and is fixed at Aand C.
- The 80-mm-diameter shaft is made of steel. If it is subjected to the triangular distributed load, determine the angle of twist of end A. Take G = 75 GPa.The copper shaft is subjected to the axial loads shown. Determine the displacement of end A with respect to end D if the diameters of each segment are dAB = 20mm, dBC = 25mm, and dCD = 12mm. Take Ecu = 126GPa.10-39. The 60-mm-diameter shaft is made of 6061-T6 aluminum. If the allowable shear stress is Talo - 80 MPa, and the angle of twist of disk A relative to disk Cis limited so that it does not exceed 0.06 rad, determine the maximum allowable torque T. 1.20m 120m