4-38. The shaft is supported by three smooth journal bearings at A, B, and C. Determine the components of reaction at these bearings. 900 N 600 N 450 N 06m 0.9 m 09m 500 N 0.9 m
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- The two shafts are made of A-36 steel. Each has a diameter of 25 mm and they are connected using the gears fixed to their ends. Their other ends are attached to fixed supports at A and B. They are also supported by journalbearings at C and D, which allow free rotation of the shafts along their axes. If a torque of 500 N # m is applied to the gear at E, determine the rotation of this gear.Solve Prob. 7.29 if =0.The cylinder has a mass of 30 kg and is mounted on an axle that is supported by bearings at A and B. If the axle is turning at 40 rad/s (direction see figure) determine the vertical components of force acting at the bearings at this instant
- 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.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.If the 20-mm-diameter rod is made of A-36 steel and the stiffness of the spring is k = 50 MN>m, determine the displacement of end A when the 60-kN force is applied.
- The tapered shaft is confined by the fixed supports at A and B. If a torque T is applied at its mid-point, determine the reactions at the supports.the solid steel sheft DF has a diameter of 25 mm and is supported by smooth bearings at D and E. It is coupled to a motor at F. which delivers 12kw of bower to the shift while turning at 50 rev/s if gears A ,B and C remove 3kw,4kw,5kw respectively . determine the maximum shear stress developed in the shift within Regions CF and BC. the shaft is free to turn in its support bearings D and FThe hollow 6061-T6 aluminum shaft has an outer and inner radius of co= 40 mm and ci = 30 mm, respectively. Determine the angle of twist of end A. The support at B is flexible like a torsional spring, so that TB = kB fB, where the torsional stiffness is kB = 90 kN # m>rad.
- The truss is made of three A-36 steel members, each having a cross-sectional area of 400 mm2. Determine the horizontal displacement of the roller at C when P = 8 kN.For the next rigid object, determine the net torque applied on point P.The forces acting on the object are: ?⃗=(23,5?̂+14,7?̂)?; ?⃗⃗=33,8?̂?; ?⃗=(51,4?̂−25,4?̂)?; ?⃗=−30,5?̂?.C6 no.4