Physics · Fluid Mechanics
Fluid friction (drag force) acting on a macroscopic object moving through a fluid depends directly on which of the following combinations?
- 1Relative velocity, but inversely on fluid pressure and active surface area
- 2Active surface area, but inversely on fluid density and relative velocity
- 3Fluid density, reference area, and the square of relative velocity✓
- 4Fluid pressure, active surface area, and inversely on relative velocity
Correct answer
Fluid density, reference area, and the square of relative velocity
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