From first principles, show that the force a flow of fluid exerts on an object isF = m(U −V) ,wherem is mass flow rate,U is the flow velocity before interaction with the objectand V is the velocity after interaction.

From first principles, show that the force a flow of fluid exerts on an object isF = m(U −V) ,wherem is mass flow rate,U is the flow velocity before interaction with the objectand V is the velocity after interaction.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter15: Fluids

Section: Chapter Questions

Problem 49PQ: Water is flowing through a pipe that has a constriction opening into a region with a wider...

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Question

From first principles, show that the force a flow of fluid exerts on an object is
F = m(U −V) ,
where
m is mass flow rate,
U is the flow velocity before interaction with the object
and V is the velocity after interaction.

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