Question

A solid object weighs 500 N. When placed on surface, the area of contact is found to be 25 m2. Find the pressure exerted by the solid object on the surface.​

Answer 1

Answer:

Explanation:

ANSWER:-

We need to know that:-

$\sf{Pressure = \dfrac{Force}{Area}}$

• SI Unit of pressure is Pascal
• SI Unit of force is Newton
• SI Unit of Area is metre square

Let's Solve!

• Force = 500 N
• Area = 25 m^2
• Pressure = ?

$\sf{Pressure = \dfrac{500}{25}}$

So , the pressure applied is 20 Pascals.

Note:-

• All the units must be in their respective SI units
• If not, then we need to convert it.

Also,

$\sf{Force = Mass \times Acceleration}$

Answer 2

Answer:

• Force = 500 N
• Area = 25 m²
• Pressure Exerted = ?

⠀

Where SI Unit of Pressure is Pascal (Newton per metre square), Area in Metre Square and Force in Newton.

⠀

$\underline{\bigstar\:\textsf{According to the given Question :}}$

$:\implies\sf Pressure=\dfrac{Force}{Area}\\\\\\:\implies\sf Pressure=\dfrac{500\:N}{25\:m^2}\\\\\\:\implies\sf Pressure = 20\:N\:m^{-2}\\\\\\:\implies \underline{ \boxed{\sf Pressure =20\: Pascal}}$

⠀

$\therefore\:\underline{\textsf{Pressure of \textbf{20 Pascal} is exerted on the surface}}.$