Question

A few books placed on a desk exert a force of 8N .If the books occupy an area of 0.04 m²,what will be the pressure exerted?

Answer 1

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pressure =force/area

P= 8/0.04

=200N/M^2

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Answer 2

Answer:

The pressure exerted will be 200Nm⁻².

Explanation:

Pressure is defined as the physical force exerted over an object. The force applied is perpendicular to the surface of objects per unit area. It is given as,

$P=\frac{F}{A}$            (1)

Where,

P=pressure exerted on an area

F= force applied perpendicular to the object

A=area over which the force is exerted

From the question we have,

F=8N

A=0.04m²

By substituting the values of F and A in equation (1) we get;

$P=\frac{8}{0.04}=200 Nm^-^2$

Hence,  the pressure exerted will be 200Nm⁻².