4. When properly aligned, gears transmit torques to a shaft. When designing a bioreactor for cell...

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4. When properly aligned, gears transmit torques to a shaft. When designing a bioreactor for cell culture, you have been assigned the task of designing the shafts inside the bioreactor. A motor supplies a torque of 45 Nm to shaft AB. It is coupled to shaft CD by gears B and C. Both shafts are made of steel (G=80GPa) and have diameters of 40mm. Shaft AB is free to rotate within bearings E and F and shaft DC is fixed at D. Given the dimensions below, determine: a. The magnitude of the maximum shearing stress in shaft AB. b. The magnitude of the maximum shearing stress in shaft DC. T= 45 N.m -2 m 1.5 m 75 mm C B 150 mm 4. When properly aligned, gears transmit torques to a shaft. When designing a bioreactor for cell culture, you have been assigned the task of designing the shafts inside the bioreactor. A motor supplies a torque of 45 Nm to shaft AB. It is coupled to shaft CD by gears B and C. Both shafts are made of steel (G=80GPa) and have diameters of 40mm. Shaft AB is free to rotate within bearings E and F and shaft DC is fixed at D. Given the dimensions below, determine: a. The magnitude of the maximum shearing stress in shaft AB. b. The magnitude of the maximum shearing stress in shaft DC. T= 45 N.m -2 m 1.5 m 75 mm C B 150 mm