conclusion in this please last one is last letter is pressure
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Answer:
Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.:445[1] Gauge pressure (also spelled gage pressure)[a] is the pressure relative to the ambient pressure.
Pressure
Common symbols
p, P
SI unit
Pascal [Pa]
In SI base units
1 N/m2, 1 kg/(m·s2), or 1 J/m3
Derivations from
other quantities
p = F / A
Dimension
M L−1 T−2
A figure showing pressure exerted by particle collisions inside a closed container. The collisions that exert the pressure are highlighted in red.
Pressure as exerted by particle collisions inside a closed container
Various units are used to express pressure. Some of these derive from a unit of force divided by a unit of area; the SI unit of pressure, the pascal (Pa), for example, is one newton per square metre (N/m2); similarly, the pound-force per square inch (psi) is the traditional unit of pressure in the imperial and U.S. customary systems. Pressure may also be expressed in terms of standard atmospheric pressure; the atmosphere (atm) is equal to this pressure, and the torr is defined as 1⁄760 of this. Manometric units such as the centimetre of water, millimetre of mercury, and inch of mercury are used to express pressures in terms of the height of column of a particular fluid in a manometer.
a force is any influence that, when unopposed, will change the motion of an object. A force can cause an object with mass to change its velocity (which includes to begin moving from a state of rest), i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity. It is measured in the SI unit of newton (N). Force is represented by the symbol F (formerly P).
Force
Force examples.svg
Forces can be described as a push or pull on an object. They can be due to phenomena such as gravity, magnetism, or anything that might cause a mass to accelerate.
Common symbols
{\displaystyle {\vec {F}}}{\vec {F}}, F, F
SI unit
newton (N)
Other units
dyne, pound-force, poundal, kip, kilopond
In SI base units
kg·m/s2
Derivations from
other quantities
F = ma (formerly P = mf)
Dimension
{\displaystyle {\mathsf {L}}{\mathsf {M}}{\mathsf {T}}^{-2}}{\displaystyle {\mathsf {L}}{\mathsf {M}}{\mathsf {T}}^{-2}}
The original form of Newton's second law states that the net force acting upon an object is equal to the rate at which its momentum changes with time. If the mass of the object is constant, this law implies that the acceleration of an object is directly proportional to the net force acting on the object, is in the direction of the net force, and is inversely proportional to the mass of the object.
indicates the height of a column of mercury that exactly balances the weight of the column of atmosphere over the barometer. Atmospheric pressure is also measured using an aneroid barometer, in which the sensing element is one or more hollow, partially evacuated, corrugated metal disks supported against collapse by an inside or outside spring; the change in the shape of the disk with changing pressure can be recorded using a pen arm and a clock-driven revolving drum.
Explanation:
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