A 50-cm 30-cm 20-cm block weighing 150 N is to be moved at a constant
Question:
A 50-cm × 30-cm × 20-cm block weighing 150 N is to be moved at a constant velocity of 1.10 m/s on an inclined surface with a friction coefficient of 0.27.
(a) Determine the force F that needs to be applied in the horizontal direction.
(b) If a 0.40-mm-thick oil film with a dynamic viscosity of 0.012 Pa⋅s is applied between the block and inclined surface, determine the percent reduction in the required force.
Transcribed Image Text:
F 50 cm 20⁰ 150 N FIGURE P10-26 30 cm V = 1.10 m/s
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Related Book For
Fluid Mechanics Fundamentals And Applications
ISBN: 9781259696534
4th Edition
Authors: Yunus Cengel, John Cimbala
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