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Physics Ch. 9
| Question | Answer |
|---|---|
| Define buoyant force. | A force that acts upward on an object submerged in a liquid or floating on the liquid's surface. -The reason why things feel ligter in water. |
| What is buoyant force similar to? | Newton's 3rd Law. |
| What is the unit for density? | (kg)/(m^3) |
| What measurement should depth be in? | Meters. |
| What is the unit for pressure? | Pascals (Pa). |
| Define pressure. | The amount of force over a given area. |
| We always consider fluids to be an _______ fluid. | Ideal. |
| What is an ideal fluid? | A fluid that has no internal friction or viscosity and is incompressible. |
| Define Pascal's Principle. | Pressure applied to a fluid in a closed container is transmitted equally to every point of the fluid and the walls of the container. |
| Fluid pressure is a function of... | Depth. |
| Atmospheric comes from where? | Above. |
| Where does the continuity equation come from? | The idea of conservation of mass. |
| The mass flowing into the pipe must equal... | The mass flowing out of the pipe in the same time interval. |
| What is flowrate? | Known as the product of (area)(velocity). |
| What is the unit for flowrate? | (m^3)/(sec.) |
| Define Bernoulli's Principle. | The pressure in a fluid decreases as the fluid's velocity increases. |
| PV=NKbT is what? | The Ideal Gas Law. |
Created by:
OliviaRoark
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