Pressure and Buoyancy According to the pressure on
Pressure and Buoyancy
According to_____, the pressure on a confined fluid remains the same throughout the fluid. A. B. C. D. Bernoulli’s Principle Archimedes’ Principle Pascal’s Principle 1 st Law of Thermodynamics
According to _____, the buoyant force is equal to the weight of the fluid displaced A. B. C. D. Bernoulli’s Principle Archimedes’ Principle Pascal’s Principle 1 st Law of Thermodynamics
According to Bernoulli’s Principle, as the velocity of a fluid increases, the A. density increases B. density decreases C. pressure increases D. pressure decreases
Which of the following have the greatest buoyant force? Assume all are blocks with equal volume. (Choose all that apply) A. Floating with 15 cm above the water B. Floating with 5 cm above the water C. Suspended completely below the surface D. Below the surface and sinking
Which of the following blocks would float in a liquid with a density of 1, 080 kg/m 3? (Choose all that apply) A. B. C. D. iron (7, 860 kg/m 3) ice (917 kg/m 3) ethyl alcohol (785 kg/m 3) Mercury (13, 600 kg/m 3)
The weight of an object submerged in a fluid is called its A. B. C. D. force of gravity apparent weight in air weight density
A steel boat can float in water because A. the density of steel is less than the density of water B. the density of steel is greater than the density of water C. the overall density of the steel and the air inside the boat is less than the density of water D. the overall density of the steel and the air inside the boat is more than the density of water
Which has the greatest density? A. B. C. D. a whole block of gold half of a block of gold a third of a block of gold all have the same density
Force per unit area is ____. A. B. C. D. pressure density Volume buoyancy
Which of the following are units of pressure? (Choose all that apply) A. B. C. D. psi Pascals mm Hg Teslas
If the area of a large piston on a hydraulic lift is 5 times as large as the area of the small piston, the force on the small piston is ____ as much as the force on the large piston. A. B. C. D. 1/5 5 times 1/25 25 times
The pressure on a object at a depth in a container of fluid depends on A. B. C. D. the shape of the container size of the container what the container is made of the depth of the object
The apparent weight of a copper cube submerged in water is ___its actual weight A. greater than B. less than C. equal to
Your teacher blows between two ping pong balls suspended on strings. The balls will A. move towards each other B. move away from each other C. stay the same distance apart
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