Question

calculate the pressure exerted by a force of 300 N acting on an area of 30 cm square

Answer 1

Answer:

Area = 30 cm² = 30 / (100/100) meter² Pressure = F / A = 300 N / (3/1000) = 100 / 1000 pa = 1 /10⁵ pa

Explanation:

Pressure=Force/Area

Answer 2

Answer:

The pressure exerted is 10⁵Pa.

Explanation:

The pressure is defined as the force exerted by a body per unit cross-sectional area of the body. That is given as,

$P=\frac{F}{A}$             (1)

Where,

P=pressure exerted by the force

F=force exerted on a body

A=area of cross-section

From the question we have,

F=300N

A=30cm²=30×10⁻⁴m²         (∵ 1m=100cm)

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

$P=\frac{300}{30\times 10^-^4}=10^5Pa$

Hence, the pressure exerted is 10⁵Pa.