Fluid Mechanics
As the velocity V and thus the Reynolds number of a flow past a sphere increases from very low value, the drag force for Re << 1

Decreases as V²
None of these
Increases linearly with V
Decreases linearly with V

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Fluid Mechanics
Steady flow occurs, when the

Conditions change steadily with time
Conditions are the same at the adjacent points at any instant
Conditions do not change with time at any point
Rate of the velocity change is constant

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