Question

Why is pressure defined as momentum/volume​

Answer 1

Answer:

Explanation:

Let us assume that pressure = linear momentum/volume

Pressure = mass* velocity   / volume (where momentum=mass*velocity)

Unit of Pressure = Kgm

or

Kg-----------------(1)

By the definition of pressure:

Pressure = Force/Area

Unit of pressure = Kgm

or

Kg----------------(2)

Since 1 is not equal to 2

Pressure is not a linear momentum per unit volume.

Answer 2

Answer:

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