Question

define pressure state the formula and its SI unit​

Answer 1

Answer:

Pressure (P) = Thrust/ Area. The SI unit is 'pascals (Pa)'. 1 Pa = 1N/m2.

Explanation:

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Answer 2

Answer: Pressure is a force applied perpendicular to the surface of an object per unit area. Mathematically it is P = F/A, where P is pressure, F is force, and A is area. Pressure is a scalar quantity, one that only has magnitude and no directional vector characteristics. In a practical sense we can think of it as a force that acts equally on all surfaces it is exposed to and results from the combined energy of the gas or liquid touching that surface. There are two basic pressure types - absolute and gauge - distinguished by what pressure they are compared to, which is called the reference pressure.

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