who will exert more pressure on earth, a girl of mass 500kg standing wearing sandals each of area 10cm^2 or an elephant in a circus of mass 250 kg standing on a single foot of area 25cm^2.
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girls mass with sandals
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Girl will exert more pressure because area is less in case of girl.
pressure by girl
= 500 × 10( power of -4)
= 5 × 10(power -2)
pressure by elephant
= 250 × 25 × 10 (power of -4)
= 625× 10 (power - 4)
so pressure is more by girl
pressure by girl
= 500 × 10( power of -4)
= 5 × 10(power -2)
pressure by elephant
= 250 × 25 × 10 (power of -4)
= 625× 10 (power - 4)
so pressure is more by girl
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