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# BJU Physical Sci 15

### BJU Physical Science - Ch 8

Principle stating that the buoyant force exerted on an immersed body is equal to the weight of the fluid displaced. Archimedes' principle
Principle stating that the total energy (represented by kinetic energy, potential energy, and pressure) for a confined ideal fluid flowing through a pipe is conserved at all locations within the pipe. Bernoulli's principle
Law stating that the volume of a confined gas is inversely proportional to the pressure it exerts, if the temperature remains constant. Boyle's law
Law stating that the volume of a confined gas at constant pressure is directly proportional to its Kelvin temperature. Charles's law
The study of how fluid moves and how forces and energy are transmitted through fluids. Subdivided into hydrostatics and hydrodynamics. fluid mechanics
A property of all fluids in which pressure is exerted equally in all directions at any point in the fluid. fluid pressure
The SI unit of pressure equal to one Newton of force over a square meter (N/m x m). pascal
Principle stating that changes in pressure on the surface of a confined fluid are distributed equally throughout the fluid and at all points on the fluid's container. Pascal's principle
The force pushing directly on a given surface. pressure
The tendency of a fluid flowing past a curved surface to follow the surface. Coanda effect
The area of physics dealing with the transfer of forces and work done by confine fluids according to Pascal's principle. hydraulics
Water pressure due only to depth in a body of water. hydrostatic pressure
An instrument that measures atmospheric pressure. It consists of sealed glass tube of mercury containing a vacuum. The meniscus of the column indicates air pressure on a calibrated scale. mercury barometer
The ratio of a substance's density to water's density; a unit less quantity numerically equal to the density of the substance. Also called relative density. specific gravity
Created by: heidio