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Consider what happens when you push both a pin and the blunt end of a pen against your skin with the same force.
Clouds can weigh thousands of pounds due to their liquid water content. Often this content is measured in grams per cubic meter (g/m3)
Caught in an avalanche, a skier is fully submerged in flowing snow of density 96 kg/m3. Assume that the average density of the skier, clothing
Calculate the hydrostatic difference in blood pressure between the brain and the foot in a person of height 1.83 m. The density of blood is 1.06 x 103 kg/m3.
Blood plasma flows from a bag through a tube into a patient's vein, where the blood pressure is 12 mmHg.
Blood flows into the aorta through a circular opening of radius 0.9 cm. If the blood pressure is 120torr, how much force must be exerted by the heart
Airplane travelers sometimes note that their cosmetics bottles and other containers have leaked during flight.
Advertisements for a certain small car claim that it floats in water.
According to information found in an old hydraulics book, the energy lost per unit weight of fluid flowing through a nozzle connected to a hose can be estimated
About one-third of the body of a person floating in the Dead Sea will be above the waterline. Assuming that the human body density is 0.98 g/cm3
An ice cube floats in a glass of water filled to the brim. What can you say about the density of ice? As the ice melts, will the water overflow
An electrical short cut off all power to a submersible diving vehicle when it is 30 m below the surface of the ocean the crew must push out a hatch of area 0.75
An airplane has a mass of 1.60 X 104 kg, and each wing has an area of 40.0 m2. During level flight, the pressure on the lower wing surface is 7.00 X 104 Pa.
An object of average density P floats at the surface of a fluid of density Pf/Wd.
An object hangs from a spring balance. The balance registers 30 N in air, 20 N when this object is immersed in water, and 24 N when the object is immersed
An object floats on water with 80% of its volume below the surface. The same object when placed in another liquid floats on that liquid with 72% of its volume
An incompressible fluid with density p is in a horizontal test rube of inner cross-sectional area
An undersea research chamber is spherical with an external diameter of 5.20m. The mass of the chamber, when occupied, is 74,400kg
An open, rigid-walled, cylindrical tank contains 4 ft3 of water at 40°F. Over a 24-hour period of the time the water temperature varies from 40°F to 90°F.
An office window has dimensions 3.4 m by 2.1 m. As a result of the passage of a storm, the outside air pressure drops to 0.96 atm, but inside the pressure
A tire having a volume of 2.5 ft3 contains air at a gage pressure of 30 psi and a temperature of 70°F. Determine the density of the weight of the air
A U-shaped tube open to the air at both ends contains some mercury. A quantity of water is carefully poured into the left arm of the U-shaped tube
A U-tube of uniform cross-sectional area, open to the atmosphere, is partially filled with mercury. Water is then poured into both arms.
A U-tube open at both ends is partially filled with water (Fig a). Oil having a density of 750 kg/m3 is then poured into the right arm and forms a column
A swimming pool is 5.0 m long, 4.0 m wide and 3.0 m deep. Compute the force exerted by the water against