Question

If a force of 12N presses ( at right angles ) on an area of
${4m}^2{}$
, what is the pressure ?

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Answer 1

pressure P has units of energy per unit volume, too. Since P = F/A, its units are N/m2. If we multiply these by m/m, we obtain N ⋅ m/m3 = J/m3, or energy per unit volume.

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