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The drag force acts in _____ to the flow velocity.

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in Fluid Mechanics by (118k points)
The drag force acts in _____ to the flow velocity.

(a) Perpendicular direction

(b) Same direction

(c) Opposite direction

(d) Different directions

The question was asked in semester exam.

Asked question is from Types of Forces Acting in Moving Fluid in portion Dimensional and Model Analysis of Fluid Mechanics

1 Answer

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Best answer
The correct option is (c) Opposite direction

For explanation: The drag force acts in the opposite direction to that of the relative flow velocity. It acts in the opposite direction with respect to a surrounding fluid flow. Thus, option Opposite direction is correct.

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