Question

Find the pressure in N/m2 exerted by a force of 72 N on an area of 9 m2.

Answer 1

Step-by-step explanation:

pressure is equal to force by area

=72/9

=8

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Answer 2

Given:

• Area = 9 m²

• Force = 72 N

To be calculated:

Calculate the pressure in N/m² .

Formula used:

Pressure = Force/Area

Solution:

We know that ,

Pressure = Force/Area

Putting the values of force and area ,we get

Pressure = 72 N/ 9 m²

= 8 N/m² or 8 Pascal ( Pa )

Thus,

The pressure of a body is 8 N/m².

Additional information:

Pressure: Pressure is the force acting perpendicularly on a unit area.

➱ S.I unit = N/m² or Pascal ( Pa )

➱ 1 Pa = 1 N/m²

Factors affecting pressure:

• Pressure is directly proportional to the force.

• Pressure is inversely proportional to the area .