5-36. The drive shaft of the motor is made of a material having an allowable shear stress of Tallow 75 MPa. If the outer diameter of the tubular shaft is 20 mm and the wall thickness is 2.5 mm, determine the maximum allowable power that can be supplied to the motor when the shaft is operating at an angular velocity of 1500 rev/min.
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6-6. Draw the shear and moment diagrams for the overhang beam.
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6-5. Draw the shear and moment diagrams for the beam.
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6-4. Draw the shear and moment diagrams for the cantilever beam.
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6-3. The engine crane is used to support the engine, which has a weight of 1200 lb. Draw the shear and moment diagrams of the boom ABC when it is in the horizontal position shown.
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6-2. Draw the shear and moment diagrams for the simply supported beam.
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6-1. Draw the shear and moment diagrams for the shaft. The bearings at A and B exert only vertical reactions on the shaft.
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5-35. The 25-mm-diameter shaft on the motor is made of a material having an allowable shear stress of 75 MPa. If the motor is operating at its maximum power of 5 kW, determine the minimum allowable rotation of the shaft.
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5-34. The gear motor can develop 3 hp when it turns at 150 rev/min. If the allowable shear stress for the shaft is 12 ksi, determine the smallest diameter of the shaft to the nearest 1/8 inch that can be used.
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•5-33. The gear motor can develop 2 hp when it turns at 450 rev/min. If the shaft has a diameter of 1 in., determine the maximum shear stress developed in the shaft.
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