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Fluids - Coggle Diagram
Fluids
Pressure
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Pascals
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Pascals Law
It says that if pressure is exerted on a non-compressible fluid in an enclosed vessel, this pressure will be distributed evenly throughout the fluid
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Pressure and Depth
The weight of water in the upper part of a swimming pool presses down on the water in the lower part of the pool. The greater the depth of water, the greater the pressure at that point. This is why you feel more pressure when swimming at the bottom of a pool than you do when swimming at the surface.
Pressure and Flow
For example, when drinking juice from a juice box, your mouth creates an area of lower pressure. The juice in the box is at a higher pressure, so it travels up the straw and into your mouth
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PTM
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in a gas, there are spaces between the particles
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liquids and solids, have strong forces of attraction
Density
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Density and Temp
When density decreases, temperature increases. When the temperature decrease, density increases.
Viscosity
Temperature
When the temperature of a liquid goes up, the particles move faster therefore the viscosity is lower. When the temperature goes down, the particles slow down therefore the viscosity increases (move slower). Temperature affects the viscosity of gasses differently than the viscosity of liquids. This is because gas particles are farther apart and when heat is added the particles move faster and cause a lot of friction. A lot of friction makes the viscosity go up. When the gas is cooled, the particles collide less, making less friction, making the viscosity go down. Temperature affects the viscosities of gas and liquid
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Buoyancy
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Plimsoll line
The Plimsoll line is a reference mark located on a ship's hull that indicates the maximum depth to which the vessel may be safely immersed when loaded with cargo. This depth varies with a ship's dimensions, type of cargo, time of year, and the water densities encountered in port and at sea.
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