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Archimedes' Principle

A force of ...

Question

A force of $16 N$ is distributed uniformly on one surface of a cube of edge $^{'} 8^{'} c m$ . The pressure on this surface is:

A

3500 P a

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B

2500 P a

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C

4500 P a

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D

2000 P a

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Solution

The correct option is D $2500 P a$
Pressure on a surface is the force acting perpendicularly on it per unit area.
Hence $P = \frac{F}{A} = \frac{16 N}{0.08 \times 0.08 m^{2}}$
$= 2500 P a$

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