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marishachu [46]
3 years ago
6

f a force of 2020 newtons​ [N] is applied to a surface and the pressure is measured as 4 comma 5004,500 pascals​ [Pa], what is t

he area of the surface in units of square milimeters ​[mm2​]?
Physics
1 answer:
olganol [36]3 years ago
4 0

Answer:

4444 mm²

Explanation:

Pressure, P, is given by

P = \dfrac{F}{A}

where F is the force and A is the area.

A = \dfrac{F}{P}

Using the values in the question,

A = \dfrac{20}{4500} = 0.00444\ldots\,\text{ m}^2

To convert to mm², note that 1 m = 1000 mm.

So 1 m² = 1000 × 1000 mm²

\therefore A = 0.004444\times 1000000 \text{ m^2}

A = 4444 \text{ m^2}

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