Question

the normal air pressure is 76cm of mercury.calculate the pressure in SI unit​

Answer 1

Given :

• Normal air pressure is 76cm

To calculate :

• Pressure in SI unit ?

Calculation :

→ Pressure = 13600 × 76/100 × 10

→ Pressure = 136 × 76 × 10

→ Pressure = 103360 N/m²

∴ Hence, the pressure is 103360 N/m²

Answer 2

Given :-

• The normal air pressure is 76 cm.

To find :-

• Find Pressure in SI unit ?

★ As we know that,

$\large\red\star$$\boxed{\rm{Pressure~(P) = \frac{Force~(F)}{Area~(A)}}}$$\large\red\star$

Solution :-

:$\implies$Pressure = $\large{\sf{13,600 \: \times \: \frac{76}{100} \: \times \: 10}}$

$~~~~~$:$\implies$136 × 76 × 10

$~~~~~~~~~~$:$\implies$${\underline{\boxed{\pink{\frak{103360~N/m²}}}}}$★

$\large\dag$ Hence,

• The SI unit of Pressure is = $\large\underline{\rm{103360~N/m²}}$ $\large{\bf\green{✓}}$