A girl weighing 500N is standing on pencil heels, each having an
area of cross section 0.0001 m2.An elephant weighing 20000N and
foot area of cross section 0.025m2 is standing on the floor. Which of
the two exert more pressure on the floor?
Please show the proper steps
area of cross section 0.0001 m2.An elephant weighing 20000N and
foot area of cross section 0.025m2 is standing on the floor. Which of
the two exert more pressure on the floor?
Please show the proper steps
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Answer:
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Answer:
Explanation:
Given:
Mass of girl = 50kg
Area= 1cm2=0.0001m2
Pressure due to girl = force/ area
Force exerted due to girl = F=W= mxg
F=50x10=500N
Pressure due to girl = 500/0.0001
=5000000Pa
Force exerted due to elephant = 200x10=2000N
Area = 250cm2= 0.025m2
Pressure=2000/0.025
=80000Pa
Therefore force exerted by girl is more than elephant.
Because area of contact of heel is smaller than elephant foot area .So more pressure is exerted by girl.