Engineering :: Fluid Mechanics and Hydraulic Machines

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Force on a flat stationary plate is

[A].	Velocity of jet before impact - velocity after impact	[B].	Difference in velocities of jet in the direction normal to plate
[C].	Mass of water x (difference in velocities of jet)	[D].	Mass of striking water x (velocity before impact in the direction normal to plate-velocity fter impact in the direction normal to plate).
[E].	None of the above

Answer: Option D