Question

A force of 250 newton acts on a surface of area 15 centimetre square calculate thrust and pressure

Answer 1

As we know that,

Force = Thurst

=> Area = 15 cm^2 = 15/10000 m^2 = 0.0015 m^2

=> Pressure = Thurst/Area

=> P = F/A

=> P = (250/0.0015) Pa

=> P = 166666.6 Pa



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Answer 2

Thrust, F = 250 N

Pressure, $P=1.67\times 10^5\ Pa$

Explanation:

Given that,

Force acting on the surface, F = 250 N

Area of the surface, $A=15\ cm^2=0.0015\ m^2$

To find,

Thrust and pressure

Solution,

The pressure acting on a surface is equal to the thrust acting per unit area. Thrust is equal to the force acting on the surface. Pressure is given by :

$P=\dfrac{F}{A}$

$P=\dfrac{250\ N}{0.0015\ m^2}$

$P=1.67\times 10^5\ Pa$

So, the pressure on the surface is $1.67\times 10^5\ Pa$.

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Pressure

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