Chapter 3, Problem 3.51P

Interpretation Introduction

(i)

Interpretation:

Whether the door will break or not before the room fills with water is to be estimated.

Concept introduction:

Pressure is defined as force acting per unit area. Its S.I unit is Pascal and $\text{1 pascal}={\text{1 N/m}}^{\text{2}}$. The pressure is calculated by the formula,

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

Interpretation Introduction

(ii)

Interpretation:

Whether Harper has enough time or not to escape if the door holds is to be estimated.

Concept introduction:

Pressure is defined as force acting per unit area. Its S.I unit is Pascal and $\text{1 pascal}={\text{1 N/m}}^{\text{2}}$. The pressure is calculated by the formula,

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