Science, asked by vilas2593, 8 months ago

A person having weight of 400N is standing on the surface of 0.2m² with the help of a single foot. Calculate the pressure exerted by him on the surface

Answers

Answered by SAIRAMSRINIVASAN9098
0

Answer:

When the man is lying:

Pressure  

=

Force

Area

Force

=

m

g

=

(

80 kg

9.81 m/s

2

)

=

784.8 N

P

=

784.8 N

0.6 m

2

=

1308 Pa

When the man is standing:

Pressure

=

Force

Area

The same force as above because of the same weight:

Force =  784.8 N

So

P

=

784.8 N

80

×

10

4

m

2

=

98 062.5 Pa

Note: Do not forget to convert  

cm

2

to  

m

2

!

Explanation:

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