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Unformatted text preview: Fluids  Hydrostatics Physics 6B Prepared by Vince Zaccone For Campus Learning Assistance Services at UCSB Two Basic Concepts: Density and Pressure Density measures how tightly packed an object is. The definition is given by a formula: V m = Prepared by Vince Zaccone For Campus Learning Assistance Services at UCSB Two Basic Concepts: Density and Pressure Density measures how tightly packed an object is. The definition is given by a formula: V m = Important note: you can rearrange this formula to get m=V. You will need to do this a lot. Prepared by Vince Zaccone For Campus Learning Assistance Services at UCSB Two Basic Concepts: Density and Pressure Density measures how tightly packed an object is. The definition is given by a formula: Standard units for density are (you might be used to seeing in chemistry class) V m = 3 m kg 3 cm g Important note: you can rearrange this formula to get m=V. You will need to do this a lot. Prepared by Vince Zaccone For Campus Learning Assistance Services at UCSB Two Basic Concepts: Density and Pressure Density measures how tightly packed an object is. The definition is given by a formula: Standard units for density are (you might be used to seeing in chemistry class) One value you need to know is the density of water: V m = 3 m kg 3 cm g 3 3 water cm g 1 m kg 1000 = = Important note: you can rearrange this formula to get m=V. You will need to do this a lot. Prepared by Vince Zaccone For Campus Learning Assistance Services at UCSB Two Basic Concepts: Density and Pressure Density measures how tightly packed an object is. The definition is given by a formula: Standard units for density are (you might be used to seeing in chemistry class) One value you need to know is the density of water: Pressure is used for fluids mainly because fluids dont retain their shape, so it is not as useful to measure the force on a fluid. Definition of pressure: V m = 3 m kg 3 cm g 3 3 water cm g 1 m kg 1000 = = A F P = Important note: you can rearrange this formula to get m=V. You will need to do this a lot. Prepared by Vince Zaccone For Campus Learning Assistance Services at UCSB Two Basic Concepts: Density and Pressure Density measures how tightly packed an object is. The definition is given by a formula: Standard units for density are (you might be used to seeing in chemistry class) One value you need to know is the density of water: Pressure is used for fluids mainly because fluids dont retain their shape, so it is not as useful to measure the force on a fluid. Definition of pressure: This takes into account the area as well as the force. An example will help clarify this definition: V m = 3 m kg 3 cm g 3 3 water cm g 1 m kg 1000 = = A F P = Important note: you can rearrange this formula to get m=V. You will need to do this a lot....
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This note was uploaded on 09/09/2011 for the course PHYSICS 6b taught by Professor Staff during the Spring '11 term at UCSB.
 Spring '11
 Staff
 Physics

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