Question

How much thrust will be required to exert a pressure of 20,000 pa on an areaof 1 cm2

Answer 1

Area = 1 cm2

= 10-4 m2

Force = Pressure × area

=20,000 x 10-4 = 2 Newton

Answer 2

2 Newtons

Given:

Pressure = 20,000 Pascals

Area = 1 cm^2

Converting into m^2 by dividing by 1000:

= 1/1000

= 10^-4 m^2

To Find:

Thrust also known as Force

Calculating:

The formula used to calculate Pressure:

Force = Pressure x Area

Substituting the values known to us into this formula we get:

= 20,000 x 10^-4

Here we can write 20,000 as 2 x 10^4,

= 2 x 10^4 x 10^-4

= 2 x 10^4 - 4

= 2 x 10^0

= 2 x 1

= 2 Newtons

Therefore, the thrust or force required to exert a pressure of 20,000 Pascals on an area of 1 cm^2 is 2 Newtons.