What physical characteristic distinguishes a fluid from a solid. What force must the compressed air exert in order to lift a car 6 weighing 17,750 newtons. Chapter 12 fluid mechanics university of minnesota duluth. This pressure is transmitted to a second piston of radius of 6.
Density conversion factor since density is measured in pounds per gallon ppg, a density conversion factor is required to make it compatible with the pounds per square inch per foot ft measurement that pressure gradient requires. If an object has a higher density than the fluid it is in fluid can mean liquid or gas, it will sink. In the fist example we have 9 dots 1 dot per square. Density, solid and liquid pressure worksheets and answers. Only the height matters since that is the direction of gravity. Fill in the third column of the table with one of the following choices for type of fluid. Selection file type icon file name description size revision time user. The extensive literature on density specific gravity may be determined at any. Write bernoullis equation for the problem and simplify by eliminating those factors that do not change.
Tricks with liquid density student worksheet part 2 food colouring alcohol water 2 x clear glasses. There is three times as much mass of fluid 2 as there is of fluid 1. Worksheets are, work 2, practice problems work answer key, the atmosphere air pressure, chapter 3 fluid statics, module fluids density and pressure module, physics 05 03 pascals principle and measuring pressure name, name date air pressure and altitude 1 activity. To determine the densities of water, an unknown liquid, a rubber stopper, and. A large value of for a fluid means a large change in density with temperature, and the product t represents the fraction of. Calculate the density of regular and irregular objects and liquids. Density is the relationship of the mass of an object to its volume.
If a substance is dense, that means that the atomsmolecules are close together. It is a measure of how tightly packed and how heavy the molecules are in an object. The kilogram is the mass of a platinumiridium cylinder kept at sevres in france. Density teacher handout the young scientist program. List two methods that engineers use to measure viscosity. This calculation worksheet will help and challenge learners to solve simple problems involving density and pressures.
Calculate the water pressure at the bottom of this swimming pool. Work out which order you should pour the liquids in by checking the density table above. Two important properties in the study of fluid mechanics are. Buoyancy and archimedes principle archimedes 287 bc 212 bc greek physicist, mathematician archimedes principle. This example problem shows the steps needed to calculate the density of an object and a liquid when given the mass and volume. Table of densities solids density gcm3 solids density gcm3 marble 2. Density is the mass per unit volume and is all specific gravities in terms of water at 40 c. Viscosity activity worksheet 1 viscosity activity worksheet 1.
Density and pressure worksheet with answers teaching resources. Calculate the mass of a liquid with a density of 2. Fluids and elasticity in this chapter we study macroscopic systems. Density is determined by an objects mass and volume. Assuming the density of the fluid rto be constant, a force balance in the vertical zdirection gives 36 where w mg rg x z is the weight of the fluid element. In a fluid that is standing still, the pressure p at depth h is the fluid s weight density w times h.
Which is heavier, a pound of lead or a pound of feathers. Overview of density worksheet key formulasconcepts. Apr 29, 2017 this calculation worksheet will help and challenge learners to solve simple problems involving density and pressures. We report the measurement of the viscosity and density of various diesel fuels, obtained from british refineries, at elevated pressures up to 500 mpa and temperatures in the range 298 k to 373 k. Density worksheet chemistry in context 20089 perhaps someone has tried to trick you with this question. Density is the amount of matter within a certain volume. State the formula for density in words and mathematical symbols. However, one of its most important uses in fluid mechanics is to specify both the volume and mass flow rate of a fluid. Pdf density and viscosity measurement of diesel fuels at. Due to a strong wind, the outside pressure drops to 0. Any object completely or partially immersed in a fluid experiences an upward or buoyant force equal to the weight of the fluid it displaces. The volume expansion coefficient of an ideal gas p rt at a temperature t is equivalent to the inverse of the temperature. Volume of a rectangular shaped objectcube length x width x height l x w x h.
If the top of the fluid column is placed at the surface of the fluid, then p 1 p atm if the container is open. Bernoullis equation is used to solve some problems. Sample problem density l a volume of 1m3 is occupied by two fluids. Grades, attendance, calendar, and other useful school related resources are at. Guess if the substance is a gas, a liquid, or a solid. Click here for some fun online games related to our fluids unit. Density is a significant physical property of volved, otherwise there is danger of confusion and materials, and is important in science and in misinterpretation of results. Thus, we conclude that the pressure difference between two points in a constant density. Density practice problem worksheet 1 a block of aluminum occupies a volume of 15. A bingham plastic is a material that behaves as a solid at low stresses but flows as a viscous fluid at high stresses. From this information, calculate the density of mercury. What force size and direction must the window frame exert on the window. Worksheet for fluid and electrolytes salem state university.
These equations apply to the fluid trapped between two parallel rigid walls maintained at fixed. How to calculate density worked example problem thoughtco. In bernoullis equation, the density is mass density and the appropriate units are kgm. A rock has a mass of 210 grams and occupies a volume of 70 cm3. Dividing by x and rearranging gives 37 where gs rg is the specific weightof the fluid. If an object is less dense than the fluid in which it is placed, it will float on the fluid. For a fluid in motion, the volume flow rate gives the volume of fluid that passes a cross section per unit time and is given by av, where a is the crosssectional area of the tube and v is the fluid speed.
The metre is now defined as being equal to 1 650 763. A magnetorheological fluid is a type of smart fluid which, when subjected to a magnetic field, greatly increases its apparent viscosity, to the point of becoming a viscoelastic solid. Viscous fluids lesson viscosity worksheet 1 viscosity worksheet. It is very important that you pour them in the order above. Describe the fluid you are working with using every day descriptive vocabulary. Density grade 8 free printable tests and worksheets.
The buoyant force acting on an object in a fluid is equal to the weight of the fluid displaced by the object. It can also be used to check students understanding of the topic. Which of the following substances are fluids at room temperature. Density worksheet block name the concept of density is sometimes confusing since it has to do with particles that we cannot see atoms and molecules. Fluid 1 has a specific gravity of sg2, while fluid 2 has a density of 800 kgm3. Pressure and velocity the basic definition for velocity has been given previously. The thickness of a sheet of metal foil is too thin to measure with a ruler. Archimedes principle worksheet answers more than 2,000 years ago, archimedes discovered the relationship between buoyant force and how much fluid is displaced by an object. Mass, density, and the particle theory of matter minds on. Density is the only thing affecting whether something floats or sinks. Which of the following materials will float on water density 1 gml.
255 1046 756 1055 409 321 421 121 1279 635 1626 376 1483 292 1048 915 1161 1104 980 6 441 157 632 242 732 601 1177 1627 179 1225 1584 75 154 1120 270 1645 762 1008 138 1219 566 1159 1012 377 588 744