Question

In a swimming pool of widht 9 metre and length 24 a person exerts a force of 21600 N on his body at its bottom due to water. find the pressure exerted by the water at the bottom of the pool.​

Answer 1

Solution-

Given,

• Force (F) = 21600 N
• Length (l) = 24 m
• Breadth (b) = 9 m

So, Area = length × breadth

= 24 × 9 = 216 m²

Pressure = Force/Area

= 21600 N/216 m²

= 100 Pa

Hence, the pressure exerted by water at the bottom of the pool is 100 Pa.

Answer 2

Answer:

pressure on bottom is due to 2 things : due to water in the pool and due to atmospheric pressure . 

since you are asking pressure due to water , is density 

x g x height 

=  1000 x 10 x 3           because water density = 1000 kg/m^3

= 30000 N 

 if u want total pressure u can add atmospheric pressure to this . 

hope you understood .

Explanation:

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