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Calculate the pressure when a force of $200\ N$ is exerted on an area of:
(a) $10\ m^2$
(b) $5\ m^2$
Here given, force $F=200\ N$
(a). When area $A=10\ m^2$
Then, pressure exerted $P=\frac{F}{A}$
$=\frac{200\ N}{10\ m^2}$
$=20\ Pa$
(b). When area $A=5\ m^2$
Then, pressure $P=\frac{F}{A}$
$=\frac{200\ N}{5\ m^2}$
$=40\ Pa$
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