A woman weighing 60 kgf wearing shoes with heels of area of cross-section 20 square cm, while another woman weighing 45 kgf is wearing shoes with heels of area of cross section 1.5 square cm. Compare the pressure exerted on ground by their heels when they stand on the heel of one foot.
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Pressure exerted by girl P
girl
=
Area
F
girl
=
1
50×10
=500 N/cm
2
Pressure exerted by elephant P
elephant
=
Area
F
elephant
=
25
2000×10
=800 N/cm
2
So,
P
elephant
P
girl
=
8
5
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