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en/4.1.1.md
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| − | $1.$ What is fluid pressure? Think of a way to measure pressure. | ||
| + | $1.$ What is fluid pressure? Think of a way to measure pressure. -- | ||
| ### Solution and Answer | |||
| Fluid pressure is the force exerted by a fluid (liquid or gas) per unit area. It arises due to the motion and interactions of fluid molecules and acts in all directions at a given point in the fluid. The pressure at a given depth in a fluid is given by the equation. | |||
| P= 𝑃0 + 𝜌𝑔ℎ | |||
| A way to measure pressure is using a Manometer, which is an U-shaped tube filled with liquid (e.g Water or Mercury). One side is open to the atmosphere, and the other side is connected to the system whose pressure is being measured. | |||
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| @@ -1,6 +1,6 @@ | |||
| $1.$ What is fluid pressure? Think of a way to measure pressure. | $1.$ What is fluid pressure? Think of a way to measure pressure. -- | ||
| ### Solution and Answer | ### Solution and Answer | ||
| Fluid pressure is the force exerted by a fluid (liquid or gas) per unit area. It arises due to the motion and interactions of fluid molecules and acts in all directions at a given point in the fluid. The pressure at a given depth in a fluid is given by the equation. | Fluid pressure is the force exerted by a fluid (liquid or gas) per unit area. It arises due to the motion and interactions of fluid molecules and acts in all directions at a given point in the fluid. The pressure at a given depth in a fluid is given by the equation. | ||
| P= 𝑃0 + 𝜌𝑔ℎ | P= 𝑃0 + 𝜌𝑔ℎ | ||
| A way to measure pressure is using a Manometer, which is an U-shaped tube filled with liquid (e.g Water or Mercury). One side is open to the atmosphere, and the other side is connected to the system whose pressure is being measured. | A way to measure pressure is using a Manometer, which is an U-shaped tube filled with liquid (e.g Water or Mercury). One side is open to the atmosphere, and the other side is connected to the system whose pressure is being measured. | ||
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| unchanged lines 12 | |||