The clutch system shown in Fig. P10€“25 is used to transmit torque through a 2-mm-thick oil film with μ = 0.38 Nˆ™s/m²between two identical 30-cm-diameter disks. When the driving shaft rotates at a speed of 1450 rpm, the driven shaft is observed to rotate at 1398 rpm. Assuming a linear velocity profile for the oil film, determine the transmitted torque.

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Driving shaft Driven shaft 2 mm 30 cm SAE 30W oil