A plunger (54 mm Ø and 0.5 m long) is moving through a horizontal cylinder (60 mm Ø) containing oil at a speed of 8 m/sec that has a viscosity of 7.1x10-6 m2/sec and specific gravity of 0.84. Calculate the force needed to maintain its velocity. Use 2 decimal places.

A plunger (54 mm Ø and 0.5 m long) is moving through a horizontal cylinder (60 mm Ø) containing oil at a speed of 8 m/sec that has a viscosity of 7.1x10-6 m2/sec and specific gravity of 0.84. Calculate the force needed to maintain its velocity. Use 2 decimal places.

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

5th Edition

ISBN:9781305084766

Author:Saeed Moaveni

Publisher:Saeed Moaveni

Chapter10: Force And Force-related Variables In Engineering

Section: Chapter Questions

Problem 17P

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Question

A plunger (54 mm Ø and 0.5 m long) is moving through a horizontal cylinder (60 mm Ø)
containing oil at a speed of 8 m/sec that has a viscosity of 7.1x10-6 m2/sec and specific gravity
of 0.84. Calculate the force needed to maintain its velocity. Use 2 decimal places.

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