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Which among the following is not a force that acts in the downstream of the fluid flow?

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+1 vote
in Fluid Mechanics by (118k points)
Which among the following is not a force that acts in the downstream of the fluid flow?

(a) Pressure

(b) Weight

(c) Friction

(d) Gravity

The question was posed to me in examination.

This key question is from Specific Force in chapter Non Uniform Flow in Channels of Fluid Mechanics

1 Answer

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Best answer
Correct option is (c) Friction

To explain: Frictional force is a force that does not act in the downstream of the fluid flow. Friction acts in the upstream direction, as friction always opposes the flow of fluid through a stream developing a viscous flow.

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