Question

1. A stone weighs 500 N. Calculate the
pressure exerted by it if it makes a
contact with a surface of area 25 cm.square. please urgent........​

Answer 1

» A stone weighs 500 N.

Here..

• Force (F) = 500 N

» The stone makes a contact with a surface of area 25 cm².

• Area (A) = 25 cm²

=> 25/10000

=> 0.0025 m² or 25 × 10-⁴ m²

______________ [ GIVEN ]

• We have to find the Pressure (P) exerted by the stone.

_____________________________

We know that ..

Pressure is defined as force per unit area.

i.e.

» Pressure = $\dfrac{Force}{Area}$

Put the known values in above formula

→ Pressure = $\dfrac{500}{0.0025}$

→ Pressure = 200000 or 2 × $10^{5}$ N/m²

Also..

1 N/m² = 1 Pa (pascal)

So..

→ Pressure = 2 × $10^{5}$ Pa

_____________________________

Pressure = 2 × $10^{5}$ N/m² or Pa.

___________ [ ANSWER ]

_____________________________

Answer 2

Answer:

pressure is the force applied to the perpendicular to the surface of en object per unit area over that which the force is distributed