Determine the frictional moment as a function of the angle a

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1. If the ram and auto rack in the previous problem together have a mass of 680 kg, estimate the maximum sinking speed of the ram and rack when gravity and viscous friction are the only forces acting. Assume 2.44 m of the ram engaged.

2. The conical pivot shown in the figure has angular velocity ω and rests on an oil film of uniform thickness h. Determine the frictional moment as a function of the angle a, the viscosity, the angular velocity, the gap distance, and the shaft diameter.

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Reference no: EM131313848

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