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2. The four gears are attached to a steel shaft that is rotating at 3 Hz. Gear B supplies 80 kW of power to the
2. The four gears are attached to a steel shaft that is rotating at 3 Hz. Gear B supplies 80 kW of power to the shaft. Of that power, 20 kW are used by gear A, 20 kW by gear C, and 40 kW by gear D. (a) Find the uniform shaft diameter if the shear stress in the shaft is not to exceed 50 MPa. (b) If a uniform shaft diameter of 100 mm is specied, determine the angle by which one end of the shaft lags behind the other end. Use G = 83 GPa for steel. 2t} kw +70 kW 2[l kW -40 kW
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