Question

Calculate the pressure when a force of 400 N is exerted on an area of (a) 5m2

(b)

2m2

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Answer 1

Explanation:

Force = 400N

in first area

area = 5m2

pressure= force/area

= 400/5

= 80N/m2

in second area

area = 2m2

pressure=force/area

= 400/2

= 200N/m2

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Answer 2

Answer

• Pressure on area of 5m² = 80N/m²

• Pressure on area of 2m² = 200N/m²

To Find

• Pressure when a force of 400 N is exerted on an area of

1. 5m²
2. 2m²

Step By Step Explanation

We need to calculate the pressure when a force is applied on an area of -

1. 5m²
2. 2m²

We know that ⤵

$\maltese\boxed{ \bf{ \red{Pressure = \cfrac{Force}{Area}}}}$

By substituting the values

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• On area of 5m²

$\longmapsto \sf \: Pressure = \cancel \cfrac{400}{5} \\ \\\longmapsto \bf Pressure = 80N/ {m}^{2}$

Therefore pressure on area of 5m² => 80N/m²

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• On area of 2m²

$\longmapsto \sf \: Pressure = \cancel \cfrac{400}{2} \\ \\\longmapsto \bf Pressure = 200N/ {m}^{2}$

Therefore pressure on area of 2m² => 200N/m²

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