What is the SI unit of pressure? Define it. Is it a scalar or vector quantity?

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Solution

The SI unit of pressure is “Pascal” which is usually denoted by “Pa”.
$P r e s s u r e = \frac{t h r u s t}{a r e a}$
One Pascal is the pressure exerted by a thrust of one newton on one square meter area of the body.
Pressure has only magnitude and not direction and therefore is a scalar quantity.

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