Question

Hey friends.....

A boy of mass 45kg stands on a square wooden block of 50cm side. Calculate the pressure exerted by the boy on the block.

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Answer 1

Answer:

Explanation:

As it is given:

Mass=45 Kg

Length=50 cm = 0.5 m

To find out:

Pressure=?

Solution:

We know that:

P = F/A

Force= mg

         =45 * 9.8

        =441 N

Area= length ^2

       =(0.5)^2

       =0.25 m^2

Putting values of force and area:

Pressure = 441/0.25

               =1764 N/m^2

So the pressure is 1764 N/m^2

HAVE A GREAT DAY MATE :)

Answer 2

Answer:

1800 pascal

F=mg

45*10

F=450newton

Are of square =side²

.5*.5

. 25m²

Pressure=force /area

Pressure =450/.25

Pressure=1800pascal