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A force of 200 N can produce a pressure of 20,000 Pa.
Calculate the area --
(i) m2
(ii) cm2

Sagot :

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Answer:

Solution below.

Explanation:

This Question involves the pressure formula.

Pressure = Force ÷ Area

where unit of area is

[tex] {m}^{2} [/tex]

i) We can directly use the formula to solve for A, the area.

P = F ÷ A

20000 = 200 ÷ A

20000 × A = 200

A = 200 ÷ 20000

A =

[tex]0.01 {m}^{2} [/tex]

ii) For this part, we can use the answer found in part (i) to convert to the required units.

We know that:

[tex]1 {m}^{2} = (100cm) \times (100cm) \\ 1 {m}^{2} = 10000 {cm}^{2} \\ 0.01 {m}^{2} = 10000 \times 0.01 \\ = 100 {cm}^{2} [/tex]

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Answer:

Area = 0.01 m^2 or 100 cm^2.

Explanation:

Given:

  • Force of 200 N can produce a pressure of 20,000 Pa.

To Find:

  • Area in m^2 and cm^2

Conversion factor used:

  • 1m^2 = 10^4 cm^2

Formula used:

  • Force = Pressure*Area

According to question, we have

200 N = 20,000*Area

Area = 0.01m^2

In cm^2, we get

Area = 0.01*10^4 = 100 cm^2.

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