Physics, 12.03.2021 15:00 amychan123

A plunger is moving through the cylinder at a constant speed of 20 ft/sec. There is a thin film of oil SAE 10W at 100o F between the plunger and the cylinder. Assuming a linear velocity distribution across the thickness of the oil film, what are the force required to be applied on the plunger, and the corresponding power (in hp) in order to maintain this motion

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A plunger is moving through the cylinder at a constant speed of 20 ft/sec. There is a thin film of o...