Question: Determine the torque T required to rotate the disk with a constant angular velocity of w= 40 rad/s. The oil has a thickness of 0.16

Determine the torque T required to rotate the disk with a constant angular velocity of w= 40 rad/s. The oil has a thickness of 0.16 mm. Assume the velocity profile is linear inside the oil thin film, and u = 0.428 N . s/m?. Oil is a Newtonian fluid

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