The pressure at the bottom of a tank containing a liquid does not depend on?
Correct answer: C. Area of the bottom surface
- A. Acceleration due to gravity
- B. Height of the liquid column
- C. Area of the bottom surface
- D. Nature of the liquid
Explanation
Hydrostatic pressure p = ρ g h is independent of the area of the container's base. It depends on fluid density, gravity and depth.
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About Fluid Dynamics
Fluid flow is described through speed, pressure and density, including steady flow and the equation of continuity for conserving mass. Bernoulli's equation relates pressure, speed and height, while fluid drag and terminal velocity explain why a falling object eventually moves at constant speed when drag balances its weight.
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