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What is the difference between force and pressure?
What does pressure mean in physics?
Is pressure a relative or absolute force?
What is a unit of force called?
Pressure 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?
Feb 20, 2022 · Pressure is the force per unit perpendicular area over which the force is applied. In equation form, pressure is defined as \(F=PA\). The SI unit of pressure is pascal and \(1\, Pa = 1 \space N/m^2\).
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.
To understand the difference, we need to understand the definition and its application. Force is the push and pull action resulting in the change of motion and direction, whereas pressure is the physical force per unit area.
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May 13, 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.
- The Editors of Encyclopaedia Britannica
Pressure (symbol: P or p) is the ratio of force to the area over which that force is distributed. That's a bit hard to understand at first, I'll have to say. Is vaguely saying "pressure" relative to "air resistance", or drag? Because they seem to be mixed around often. Drag.
