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Which among the following is the formula for Force when it strikes the plate?

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+1 vote
in Fluid Mechanics by (118k points)
Which among the following is the formula for Force when it strikes the plate?

(a) pav^2

(b) pav

(c) pa

(d) maE

The question was asked in exam.

I would like to ask this question from Force Exerted by a Jet on a Stationary Flat Inclined Plate in portion Impact of Jets and Jet Propulsion of Fluid Mechanics

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+2 votes
by (362k points)
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Best answer
Right option is (a) pav^2

Easy explanation: The rate of change of momentum in the direction of the force is given by the formula pav^2. Where p = Density of the fluid flow, a = acceleration of the fluid particle and v= velocity of the fluid flowing.

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