Pressure | Definition, Measurement, & Types | Britannica
WebApr 2, 2024 · pressure, in the physical sciences, the perpendicular force per unit area, or the stress at a point within a confined fluid. The pressure exerted on a floor by a 42-pound box the bottom of which has an area of 84 square inches is equal to the force divided by the area over which it is exerted; i.e., it is one-half pound per square inch.
Pressure - Wikipedia
WebDefinition. Pressure is the amount of force applied perpendicular to the surface of an object per unit area. The symbol for it is "p" or P. [2] The IUPAC recommendation for pressure is a lower-case p. [3] . However, upper-case P is widely used.
What is pressure? (article) | Fluids | Khan Academy
WebPressure is defined to be the amount of force exerted per area. P = F A. So to create a large amount of pressure, you can either exert a large force or exert a force over a small area (or do both). In other words, you might be safe lying on a bed of nails if the total surface area of all the nail tips together is large enough. Really?
Pressure Definition & Meaning - Merriam-Webster
Web1. a. : the burden of physical or mental distress. b. : the constraint of circumstance : the weight of social or economic imposition. 2. : the application of force to something by …
PRESSURE Definition & Meaning | Dictionary.com
Webpressure. / ˈprɛʃə / noun. the state of pressing or being pressed. the exertion of force by one body on the surface of another. a moral force that compels. to bring pressure to bear. an urgent claim or demand or series of urgent claims or demands. to work under pressure. a burdensome condition that is hard to bear. the pressure of grief.
PRESSURE | meaning - Cambridge Learner's Dictionary
Webnoun. uk / ˈpreʃə r/ us. pressure noun (MAKE SOMEONE DO) Add to word list. B2. attempts to make someone do something by arguing, persuading, etc: public / political pressure. [ …
11.3: Pressure - Physics LibreTexts
WebFeb 20, 2022 · Define pressure. Explain the relationship between pressure and force. Calculate force given pressure and area. You have no doubt heard the word pressure being used in relation to blood (high or low blood pressure) and in relation to the weather (high- and low-pressure weather systems). These are only two of many examples of …
PRESSURE | definition in the Cambridge English Dictionary
Webthe force you produce when you press something: He put too much pressure on the door handle and it snapped. You can stop bleeding by applying pressure close to the injured …
Pressure – The Physics Hypertextbook
Webdefinition. Pressure is the ratio of force applied to the area covered… The unit of pressure is the pascal. The pascal is also a unit of stress and the topics of pressure and stress are connected. Bed of nails (not really pressure but shear strain, which has the same units)
Atmospheric pressure | Definition, Measurement, & Variations
WebMar 11, 2024 · Atmospheric pressure is expressed in several different systems of units: millimeters (or inches) of mercury, pounds per square inch (psi), dynes per square centimeter, millibars (mb), standard atmospheres, or kilopascals. Standard sea-level pressure, by definition, equals each of the following: 760 mm (29.92 inches) of mercury.
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