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A horizontal water jet from a nozzle of constant exit
Chapter 6, Problem 14P(choose chapter or problem)
Problem 14P
A horizontal water jet from a nozzle of constant exit cross section impinges normally on a stationary vertical flat plate. A certain force F is required to hold the plate against the water stream. If the water velocity is doubled, will the necessary holding force also be doubled? Explain.
Questions & Answers
QUESTION:
Problem 14P
A horizontal water jet from a nozzle of constant exit cross section impinges normally on a stationary vertical flat plate. A certain force F is required to hold the plate against the water stream. If the water velocity is doubled, will the necessary holding force also be doubled? Explain.
ANSWER:
Problem 14P
A horizontal water jet from a nozzle of constant exit cross section impinges normally on a stationary vertical flat plate. A certain force F is required to hold the plate against the water stream. If the water velocity is doubled, will the necessary holding force also be doubled? Explain.
Step by Step Solution
Step 1 of 2
The expression for the force acting on the stationary vertical flat plate is,
Where,
is the density.
a is the area of cross-section and
V is the velocity.